HomeDocs changes
Documentation changes
What the docs quietly changed.
Anthropic's published documentation, fetched on a schedule and diffed against the last copy. Every edit dated, including the ones that never made a release note.
Last poll read all 4 cleanly: Claude Code CLI, Claude Developer Platform, Claude Documentation, Model Context Protocol. A date here is when this site noticed, not when Anthropic edited.
Claude Developer Platform
812pages tracked
765 changed this week · last read 23 Oct 2026
Claude Code CLI
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147 changed this week · last read 23 Oct 2026
Claude Documentation
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77 changed this week · last read 23 Oct 2026
Model Context Protocol
357pages tracked
171 changed this week · last read 22 Oct 2026
100 on this page
2,445 of the ledger's changes in claude-docs. Show every change
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| Entry shape | Example | Matches
| ----------------- | ------------------------------- | ----------------------------------------------------------------------------------------------------------------------------
| HTTPS origin | `https://docs.example.com` | Any `https://` URL whose hostname is exactly `docs.example.com`, case-insensitive. Subdomains don't match implicitly, so lis
| Custom URI scheme | `example-app` or `example-app:` | Any URL with the scheme `example-app:`, typically a deep link into your native mobile or desktop app.
| Entry shape | Example | Matches |
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| | Light mode | Dark mode |
| :--------------------------- | :-------------- | :-------------- |
| **Background** | | |
| `color-background-primary` | `#FFFFFF` | `#30302E` |
| `color-background-secondary` | `#F5F4ED` | `#262624` |
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| Type | Description | Use case |
| ---------- | ------------------------- | --------------------------------- |
| Local MCP | Runs on the user's device | Desktop integrations, local tools |
| Remote MCP | Hosted on the internet | Web services, cloud applications |
| Type | Description | Use case |
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| Status | Meaning |
| ------------------- | -------------------------------------------------------------------- |
| **Healthy** | Request errors are 2% or less of tool calls in the last 30 days |
| **Worth a look** | Request errors are above 2% |
| **Degraded** | Request errors are above 5% |
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| | Directory connector | Custom connector
| ------------------------------------------------------------------------------ | -------------------------------------------- | --------------------------------------------------
| **Runtime** | Same | Same
| **Anthropic review** | Yes | No
| **In-product discovery** | Browse, search, Suggested Connectors | None
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| Type | Description
| ----------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------
| `oauth_dcr` | OAuth 2.0 with Dynamic Client Registration ([RFC 7591](https://www.rfc-editor.org/rfc/rfc7591))
| `oauth_cimd` | OAuth 2.0 with [Client ID Metadata Document](https://modelcontextprotocol.io/specification/2025-11-25/basic/authorization#client-id-metadata-documents)
| `oauth_anthropic_creds` | OAuth 2.0 with [Anthropic-held client credentials](#anthropic-held-client-credentials)
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A plugin is a package that extends what Claude can do in Cowork. Installing one can add skills, MCP connectors, subagents, slash commands, or hooks in a single step. Plugins come f
A plugin is a package that extends what Claude can do in Cowork. Installing one can add skills, MCP connectors, subagents, commands, or hooks in a single step. Plugins come from th
Plugins are available in Cowork and Code. They aren't used in Chat.
A plugin you install is saved to your account, so its skills and connectors are also available in chat and in Claude Code. [Plugins](/docs/plugins/overview) covers what each surfac
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> How Anthropic reviews connectors, and what Verified, Community, and Custom mean
> How Anthropic reviews connectors in the directory, what the Verified, Community, and Custom labels mean, and how to stay safe with third-party connectors.
The [Connectors Directory](/docs/connectors/directory) includes connectors built by Anthropic and by third-party developers. Each connector shows how much Anthropic has reviewed it
The [Connectors Directory](/docs/connectors/directory) lists connectors from Anthropic and from third-party developers, and each one shows how much Anthropic has reviewed it. Use t
## Verified
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> Connect SharePoint, OneDrive, Outlook, and Teams to Claude
> Connect SharePoint, OneDrive, Outlook, and Teams to Claude so it can search, analyze, and act on your Microsoft 365 information
The Microsoft 365 connector enables Claude to search, analyze, and act on information across SharePoint, OneDrive, Outlook, and Teams.
The Microsoft 365 connector lets Claude search, analyze, and act on information across SharePoint, OneDrive, Outlook, and Teams, using the access your own Microsoft 365 account alr
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> Fix MCP tunnel problems: cloudflared won't connect, connector added but tools don't appear, no route for host, IP validation failed, TLS handshake failed, expired certificate, OA
> Fix MCP tunnel problems: cloudflared won't connect, tools don't appear, routing and IP validation errors, TLS and certificate failures, and OAuth errors.
cloudflared logs four `Registered tunnel connection` lines when it reaches the tunnel edge. If they never appear, the cause is almost always one of two things. Either `TUNNEL_TOKEN
cloudflared logs four `Registered tunnel connection` lines when it reaches the tunnel edge. If they never appear, the cause is almost always one of these:
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> Create a Tunnels API key in claude.ai, deploy the MCP tunnel stack with Helm or Docker Compose, verify the connection, add tunneled MCP servers as custom connectors, rotate the t
> Create a Tunnels API key, deploy the MCP tunnel stack with Helm or Docker Compose, verify the connection, and add tunneled MCP servers as custom connectors.
## Create a Tunnels API key
The setup component that runs alongside the tunnel stack needs a short-lived credential to create the tunnel, register its certificate authority (CA) certificate with Anthropic, an
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> Connect Claude to MCP servers inside your private network without opening inbound firewall ports or exposing the servers to the internet. How MCP tunnels work, what you deploy, n
> Connect Claude to MCP servers inside your private network without opening inbound firewall ports or exposing the servers to the internet.
MCP tunnels connect Claude to [Model Context Protocol (MCP)](/docs/connectors/building/mcp) servers that run inside your private network. You run a small tunnel stack on a host in
MCP tunnels connect Claude to [Model Context Protocol (MCP)](/docs/connectors/building/mcp) servers that run inside your private network. You run a small tunnel stack on a host in
## When to use an MCP tunnel
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> Make OAuth sign-in work for MCP servers reached through an MCP tunnel when the authorization server or identity provider is inside your network. Covers the Tunnel OAuth configura
> Make OAuth sign-in work for MCP servers reached through an MCP tunnel when the authorization server or identity provider is inside your network.
If your authorization server is reachable from the public internet and its metadata advertises public URLs, you don't need anything on this page. Add the connector as described in
<Note>
If your authorization server is reachable from the public internet and its metadata advertises public URLs, you don't need anything on this page. Add the connector as described i
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# Gmail integration
# Gmail
> Search and analyze emails with Claude
> Connect the Gmail connector so Claude can search your email and answer questions from your messages, with citations back to each one.
The Gmail integration enables Claude to search your emails and provide answers based on your email content, reducing time spent retrieving information.
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# Google Drive integration
# Google Drive
> Connect Google Docs directly to Claude
> Connect the Google Drive connector so Claude can search your Drive, read Docs, Sheets, Slides, and PDFs, and use Drive files in chats and projects.
The Google Drive integration lets you connect Google Docs directly to Claude on paid Claude.ai plans. You can add documents by pasting URLs or selecting recent files to provide con
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# Google Calendar integration
# Google Calendar
> Access your calendar and meeting information with Claude
> Connect the Google Calendar connector so Claude can answer questions about your meetings, attendees, and availability.
The Google Calendar integration enables Claude to understand your calendar commitments, helping you manage your schedule more effectively.
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> Learn to connect Claude to your tools and data
> Connect Claude to an app or service from the Connectors directory, turn the connector on in a conversation, and manage or disconnect it later.
This tutorial walks you through setting up and using Claude's connector integrations to enhance your workflow.
A connector links Claude to an outside app or service, such as your calendar, your documents, or your issue tracker, so Claude can find information there and take actions for you.
## What you'll learn
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> Browse verified and community MCP integrations for Claude
> Browse verified and community MCP connectors in the Connectors Directory, one catalog for claude.ai, Claude Desktop, mobile, Claude Code, and Cowork
The Connectors Directory is a catalog of [MCP](/docs/connectors/building/mcp) servers that work across all Claude products — Claude.ai, Claude Desktop, Claude Mobile, Claude Code,
The Connectors Directory is a catalog of [MCP](/docs/connectors/building/mcp) servers that work across all Claude products: claude.ai, Claude Desktop, Claude Mobile, Claude Code, a
The directory contains both verified connectors and community connectors. Verified connectors have been tested by Anthropic for quality and compatibility and met the Software Direc
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# What should I build: MCP, plugin, or both?
# Decide what to include in your plugin
> Decide between an MCP server, a plugin, or both for your Claude integration
> Decide which pieces your Claude plugin needs: an MCP connector backed by a server you host, skills, commands, agents, or UI, and how they're listed together.
Most partners ship two things: a remote MCP server and a plugin that wraps it. They serve different purposes, and together they give users the best experience.
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# Troubleshooting connectors
# Troubleshoot your connector
This page covers the most common reasons a connector fails to connect, authenticate, or run a tool, and how to diagnose each one. Each error Claude shows covers more than one root
These errors appear in Claude, on claude.ai or in the desktop app, when someone uses your MCP server as a connector: either when they select **Connect** and sign in, or later when
* "Couldn't reach the MCP server", when Claude can't complete the connection handshake
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# Testing your connector
# Test your connector
> Test your MCP server against Claude before submitting to the directory
> Test your MCP server against Claude as a custom connector before you submit it to the directory, including a local server exposed through a tunnel.
Test your server against the real Claude client before submitting. There is no separate staging environment—you test in production using a custom connector.
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# Submitting to the Connectors Directory
# Submit a connector to the directory
> Submit your MCP connector to the Connectors Directory
> Submit a remote MCP server or MCP App to the Connectors Directory through the developer portal: requirements, screenshot specs, and what each step asks for.
The [Connectors Directory](/docs/connectors/directory) aims to be a collection of high-quality, vetted, and reviewed MCP servers that are helpful and harmless to users. Anyone is w
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# Pre-submission checklist
# Connector pre-submission checklist
> What Anthropic reviewers test, so you can pass on the first try
> Check your MCP connector against what Anthropic reviewers test, including tool design, prompt-injection patterns, and functional quality, before you submit.
When you submit a server, it is automatically scanned for policy compliance and, by default, listed in the directory as a [community connector](/docs/connectors/verification). Anth
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> Package a local MCP server as a single-click .mcpb install for Claude Desktop
> Package a local MCP server as a single-click .mcpb install for Claude Desktop: when to build one, the CLI quickstart, manifest.json, and how users install it.
An MCP Bundle (`.mcpb`) is a zip archive containing a local MCP server and a `manifest.json`, which Claude Desktop installs in a single click the way a browser installs an extensio
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# Troubleshooting MCP Apps
# Troubleshoot MCP Apps
> Debug and resolve common issues with MCP Apps
> Debug MCP Apps in Claude with developer tools on desktop and iOS, and fix invisible apps, large tool results, iOS-only request failures, and ui.domain errors.
## Using developer tools
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> Make your widget background transparent and style it with Claude's style variables
> Make your MCP App's background transparent and style it with Claude's host style variables so it blends into the conversation in light and dark mode.
Claude renders MCP Apps inside a sandboxed iframe, and every frame between your widget and the chat surface already has a transparent background, so the conversation can show throu
Claude renders MCP Apps inside a sandboxed iframe, and every frame between your widget and the chat surface already has a transparent background so the conversation can show throug
The snippets on this page assume you have registered a UI resource and created an `App` instance from `@modelcontextprotocol/ext-apps`. See the [SDK Quickstart](https://modelcontex
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> Keep only the newest copy of a widget active when its tool is called more than once in a conversation
Each time Claude calls a tool that renders an MCP App, a separate iframe is mounted in the conversation. There is no host API to unmount earlier instances when a newer one appears,
If your widget represents a single piece of state, such as a shopping cart or a dashboard, only the most recent instance should remain interactive. You can use [`BroadcastChannel`]
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> Learn how to test MCP Apps in Claude
> Try example MCP Apps in Claude Desktop, then use the MCP Apps SDK, examples, and agent skills to add interactive UI to your own MCP server.
## Try an example MCP App
An MCP App is interactive UI that your MCP server renders inside a Claude conversation, such as an interactive chart or map. You build one with the [MCP Apps SDK](https://modelcont
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# Opening external links from MCP Apps
# Open external links from MCP Apps
> How Claude handles ui/open-link requests, and how directory connectors can allowlist destinations to skip the confirmation modal
> Declare allowed link destinations so ui/open-link requests from your directory connector's MCP App open without Claude's confirmation modal.
When your MCP App sends a `ui/open-link` request, Claude shows an "Open external link" confirmation modal before navigating. This protects users from being silently redirected by a
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> Visual and interaction design guidelines for MCP Apps in Claude
## Overview
MCP Apps are interactive interfaces that appear within Claude's conversational flow. Think of them as natural extensions of the conversation, not separate apps that happen to appea
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> Understanding the open standard powering Claude's connectors
> Get oriented to the Model Context Protocol, the open standard behind Claude's connectors: local and remote servers, tools, resources, and prompts.
The Model Context Protocol (MCP) is an open standard created by Anthropic for AI applications to connect with tools and data sources.
The Model Context Protocol (MCP) is an open standard created by Anthropic for AI applications to connect with tools and data sources. When you build an MCP server and someone adds
## What is MCP?
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# Managing your directory listing
# Manage your directory listing
> Track submissions, monitor server health and usage metrics, and edit your Connectors Directory listing
> Track submissions, monitor server health and usage metrics, and edit your directory listing
Organizations that submit to the [Connectors Directory](/docs/connectors/directory) get a submissions dashboard in Claude.ai at [Organization settings > Directory](https://claude.a
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Not every tool on an MCP server needs the user's identity. A product catalog can be browsed anonymously; an order history cannot. **Lazy authentication** (sometimes called *mixed a
In Claude, the challenge surfaces as an inline **Connect** card in the conversation. The user authenticates in a popup, Claude retries the same tool call automatically with the new
A connector that uses OAuth sign-in normally asks each person to sign in as soon as they add it. With lazy authentication, sometimes called mixed auth, your MCP server lets Claude
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Enterprise Managed Auth (EMA) lets a user connect to your MCP server silently, using the single sign-on session they already have with their organization. Instead of showing each u
Enterprise Managed Auth (EMA) lets a user connect to your MCP server silently, using the single sign-on session they already have with their organization. Instead of showing each u
Your authorization server validates the assertion and returns an access token in a single back-channel request. There is no browser redirect and no per-connector consent page. From
Your authorization server validates the assertion and returns an access token in a single back-channel request. There is no browser redirect and no per-connector consent page. From
This flow is defined by the [MCP enterprise managed authorization extension](https://modelcontextprotocol.io/extensions/auth/enterprise-managed-authorization) and is built on the s
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> Understand the difference between directory-listed and custom connectors
> Compare directory-listed and custom connectors: Anthropic review, in-product discovery, install links, Suggested Connectors, and per-tenant URL listings.
Directory connectors and custom connectors run on the **same MCP infrastructure**. The runtime, transport, authentication, and tool-calling code paths are identical. The difference
A directory connector is an MCP server listed in Anthropic's directory after review, and a custom connector is one that a user or an organization Owner adds to Claude by entering i
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> OAuth and authentication options for MCP servers in Claude
Authentication is the most common source of partner questions. Claude's auth support differs in a few places from the generic MCP specification, so read this page even if you're al
> Meet Claude's OAuth requirements for remote MCP servers: supported authentication types, client registration, discovery, callback URLs, and token refresh.
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> Update your MCP server, plugin, and directory listing after publication
> Update your MCP server, plugin, and directory listing after publication, keep your listing URL stable, and delist when you need to.
## Update your MCP server
Once your connector or plugin is listed in the directory, you keep it current from the same developer portal you submitted from, at [claude.ai/directory/manage](https://claude.ai/d
An MCP server is a live API. To add, change, or remove tools, deploy the change to your server—no resubmission to Anthropic is required, and there is no scheduled re-review. Claude
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A plugin you upload on the **Plugins** card delivers its skills, slash commands, sub-agents, and hooks to members, and its hooks run on the member's machine. A plugin can also decl
A plugin you upload on the **Plugins** card delivers its skills, slash commands, sub-agents, and hooks to members, and its hooks run on the member's machine. A plugin can also decl
The upload preview marks any plugin that declares components that can run code on the member's machine, for example hooks or an [MCP server](/docs/connectors/overview), and you con
The upload preview marks any plugin that declares components that can run code on the member's machine, for example hooks or an [MCP server](/docs/connectors/getting-started), and
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> * If you want to write a skill of your own, see [Create custom skills](/docs/skills/how-to)
> * If you want to write a skill of your own, see [Create custom skills](/docs/skills/how-to.md)
A plugin's skills appear on **Your skills** too, labeled with the plugin's name. They turn on and off with the plugin, which you manage from [**Customize > Plugins**](/docs/plugins
A plugin's skills appear on **Your skills** too, labeled with the plugin's name. They turn on and off with the plugin, which you manage from [**Customize > Plugins**](/docs/plugins
On Team and Enterprise plans, a skill's page also shows **Adoption**, **Activity**, and **You** figures for how much your organization and you have used it. [How a plugin is used i
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On a Team or Enterprise plan, you can get a [plugin](/docs/plugins/overview) you made to other people in your organization. You share it with specific people yourself, or you publi
On a Team or Enterprise plan, you can get a [plugin](/docs/plugins/overview.md) you made to other people in your organization. You share it with specific people yourself, or you pu
This page is for someone on a Team or Enterprise plan who created or uploaded a plugin, for example with [Create a plugin with Claude](/docs/plugins/create-with-claude).
This page is for someone on a Team or Enterprise plan who created or uploaded a plugin, for example with [Create a plugin with Claude](/docs/plugins/create-with-claude.md).
> * If you're an Owner reviewing what members publish, see [Manage plugins for your organization](/docs/plugins/admin)
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> * If you want to list a plugin publicly, see [Publish to the directory](/docs/directory/publish)
> * If you haven't built the plugin yet, see [Build your first plugin](/docs/plugins/quickstart) and [Plugin structure and testing](/docs/plugins/build)
> * If you want to list a plugin publicly, see [Publish to the directory](/docs/directory/publish.md)
> * If you haven't built the plugin yet, see [Build your first plugin](/docs/plugins/quickstart.md) and [Plugin structure and testing](/docs/plugins/build.md)
| Which components load | Depends on the surface. See [Plugin feature support across platforms](/docs/plugins/platform-support). | Every component |
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A [plugin](/docs/plugins/overview) packages skills, commands, and connectors. You can make one for yourself in claude.ai or the Claude desktop app without writing files: from [**Cu
A [plugin](/docs/plugins/overview.md) packages skills, commands, and connectors. You can make one for yourself in claude.ai or the Claude desktop app without writing files: from [*
A plugin you create this way is for you. It lives on your account, and on a Team or Enterprise plan you can [share it](/docs/plugins/share) with specific people or your whole organ
A plugin you create this way is for you. It lives on your account, and on a Team or Enterprise plan you can [share it](/docs/plugins/share.md) with specific people or your whole or
> * If you'd rather write the files yourself, see [Plugin structure and testing](/docs/plugins/build)
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> * If you want one plugin to reach members in claude.ai and Cowork and developers in the Claude Code command line, and need to decide between this page and managed settings, or us
> * If you run Claude Desktop on your own model provider, see [MCP, plugins, skills, and hooks](/docs/third-party/claude-desktop/extensions)
> * If you want one plugin to reach members in claude.ai and Cowork and developers in the Claude Code command line, and need to decide between this page and managed settings, or us
> * If you run Claude Desktop on your own model provider, see [MCP, plugins, skills, and hooks](/docs/third-party/claude-desktop/extensions.md)
Reverting isn't available for an item synced from a repository. Fix the plugin in the repository and push to the default branch. Then select **Re-sync** on the marketplace in the [
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<Note>
* Skills are available on Pro, Max, Team, and Enterprise plans. They run in Claude's code sandbox, so **Code execution and file creation** must be on: turn it on under [**Setting
* If you want to write a skill of your own, see [Create custom skills](/docs/skills/how-to)
</Note>
> [!NOTE]
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<Note>
* If you're an Owner reviewing what members publish, see [Manage plugins for your organization](/docs/plugins/admin)
* If you want a wider audience than your organization, see [Plugin structure and testing](/docs/plugins/build) and [Publish to the directory](/docs/directory/publish)
</Note>
> [!NOTE]
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<Note>
* If you want to list a plugin publicly, see [Publish to the directory](/docs/directory/publish)
* If you haven't built the plugin yet, see [Build your first plugin](/docs/plugins/quickstart) and [Plugin structure and testing](/docs/plugins/build)
</Note>
> [!NOTE]
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<Note>
* If you'd rather write the files yourself, see [Plugin structure and testing](/docs/plugins/build)
* If you want to make a plugin available to everyone in your organization, see [Publish a plugin to your organization](/docs/plugins/share#publish-a-plugin-to-your-organization)
</Note>
> [!NOTE]
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<Note>
* If you set plugin policy for the Claude Code command line, see [managed settings](https://code.claude.com/docs/en/plugins/org) in the Claude Code docs
* If you want one plugin to reach members in claude.ai and Cowork and developers in the Claude Code command line, and need to decide between this page and managed settings, or us
* If you run Claude Desktop on your own model provider, see [MCP, plugins, skills, and hooks](/docs/third-party/claude-desktop/extensions)
</Note>
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| Layer | Provisioned by | Delivered via
| -------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------
| Managed MCP servers | Admin | `managedMcpServers` configuration key
| Organization plugins | Admin | A [plugin marketplace](#plugin-marketplaces-admin) hosted in git or over HTTPS (recommended), or a [system-wide directory](#organization-p
| User extensions | End user | In-app Connectors and Plugins UI
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| Platform | Managed (MDM) location | Local (user) location |
| -------- | --------------------------------------------------------------------------------- | -------------------------------------------------------- |
| macOS | `/Library/Managed Preferences/<user>/com.anthropic.claudefordesktop.plist` | `~/Library/Application Support/Claude-3p/configLibrary/` |
| Windows | `HKLM\SOFTWARE\Policies\Claude` (machine), `HKCU\SOFTWARE\Policies\Claude` (user) | `%LOCALAPPDATA%\Claude-3p\configLibrary\` |
| Linux | `/etc/claude-desktop/managed-settings.json` | `~/.config/Claude-3p/configLibrary/` |
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| Feature | Purpose
| -------------------------------------------------------------------------------- | -----------------------------------------------------------------------------------------------
| **Skills** | Task-specific procedures that Claude loads when a request matches
| **[Plugins](/docs/plugins/overview)** | Packages that contain several skills together with connectors, commands, and agents, so th
| **[Projects](https://support.claude.com/en/articles/9517075-what-are-projects)** | Background knowledge that's always loaded in that project's chats
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| Component | Chat | Cowork
| :-------------------------------------------------------------------- | :-------------------------------------------------------------------------------- | :---------------------
| Skills (`skills/<name>/SKILL.md`) | Loads | Loads
| Commands (`commands/*.md`) | Loads as a skill; Claude applies it when it fits | Loads; you run it by t
| Agents (`agents/*.md`) | Ignored | Loads
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| Component | What it adds for you
| :------------- | :----------------------------------------------------------------------------------------------------------------------------------------------------------------
| Skills | Instructions Claude follows when a task matches, such as your team's process for a weekly report. They're listed in **Customize > Skills** alongside your own ski
| Commands | Named actions. In Cowork and Claude Code you run one by typing `/plugin-name:command`. In chat a command loads as a skill.
| MCP connectors | Access to an external tool or data source. You add or connect each one from the plugin's **Connectors** tab.
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| | Organization settings on claude.ai | Claude Code managed settings
| :------------------------ | :----------------------------------------------------------------------------------------------------------------- | :--------------------------------
| Who receives the plugin | Members, on their claude.ai account: in chat, in Cowork, and in Claude Code sessions that sync from that account | Claude Code on every machine that
| Where you set it up | [**Organization settings > Plugins & skills**](https://claude.ai/admin-settings/skills?tab=inventory) | Server-managed settings, an MDM p
| What you set | An availability for each plugin, such as **Installed by default** or **Required** | `extraKnownMarketplaces` to regis
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| Setting | What members see | Can members remove it |
| :----------------------- | :--------------------------------------------------------------------------------------------- | :----------------------------------------- |
| **Not available** | Nothing; the plugin is hidden from **Customize > Plugins** and can't be installed | Not applicable |
| **Available to install** | The plugin appears under **Discover** and members install it if they want it | Yes |
| **Installed by default** | The plugin is already installed for every member | Members can turn it off |
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Claude Desktop on third-party (3P) supports the same extensibility model as standard Claude Desktop ([MCP connectors](/docs/connectors/overview), [skills](/docs/skills/overview), a
Claude Desktop on third-party (3P) supports the same extensibility model as standard Claude Desktop ([MCP connectors](/docs/connectors/getting-started), [skills](/docs/skills/overv
Give each remote server's final address in `url`. Claude Desktop doesn't follow HTTP redirects from a managed MCP server, or from its OAuth authorization server when it fetches tha
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```json theme={null} theme={null} theme={null} theme={null} theme={null} theme={null} theme={null}
```json theme={null}
```json theme={null} theme={null} theme={null} theme={null} theme={null} theme={null} theme={null}
```json theme={null}
```json theme={null} theme={null} theme={null} theme={null} theme={null} theme={null} theme={null}
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> Extend Claude's capabilities with specialized instructions and workflows
> Find, turn on, and use skills: directories of instructions, scripts, and resources that Claude loads to handle specific tasks
## Availability
This page is for people who want to find, turn on, and use skills in Claude.
Skills are available for users on Pro, Max, Team, and Enterprise plans. The Skills feature requires code execution to be enabled.
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# Creating custom skills
> Learn how to create, structure, and test your own custom skills
Custom skills extend Claude with specialized knowledge and workflows. This guide explains how to create, structure, and test your own skills.
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# Submitting your plugin
# Submit your plugin
> Submit your plugin to the plugin directory for Cowork
> Submit a plugin from a GitHub repository to Anthropic's directory through the developer portal, follow its review, publish it, and release updates.
The [plugin directory](https://claude.com/plugins-for/cowork) is a community-driven directory where developers can submit plugins for use in Cowork and Claude Code. In Claude Code,
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# Plugins overview
# Plugins
> Extend Claude with reusable capability packages that bundle MCP connectors, skills, slash commands, and sub-agents
> Add plugins to Claude: what a plugin adds, where to find and install one, and where it's available across chat, Cowork, and Claude Code.
Plugins are reusable capability packages that extend Claude with custom functionality. They bundle together [MCP connectors](/docs/connectors/overview), [skills](/docs/skills/overv
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In Claude Desktop on third-party (3P), Claude can work with web pages in Cowork and Code sessions through Claude in Chrome or through the built-in browser. [Claude in Chrome](#clau
In Claude Desktop on third-party (3P), Claude can work with web pages in Cowork and Code sessions through Claude in Chrome or through the built-in browser. [Claude in Chrome](#clau
[Claude in Chrome](https://claude.com/chrome) is Anthropic's browser extension. It lets Claude work in the user's own Google Chrome or Microsoft Edge, with the tabs and sign-ins th
[Claude in Chrome](https://claude.com/chrome) is Anthropic's browser extension. It lets Claude work in the user's own Google Chrome or Microsoft Edge, with the tabs and sign-ins th
The built-in browser is off by default. Set [`builtinBrowserEnabled`](/docs/third-party/claude-desktop/configuration#builtinbrowserenabled) to `true` in your managed configuration,
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| Scenario | Use
| -------------------------------------------------------------------------------- | -----------------------------------------------------------------------------------------------
| Proof of concept, or your gateway already issues per-team keys | [Static API key](#static-api-key) (`inferenceGatewayApiKey`)
| Per-user attribution and identity-provider enforcement (MFA, conditional access) | [Single sign-on](#single-sign-on-with-your-identity-provider) (`inferenceGatewayOidc`)
| Your organization already has tooling that obtains a gateway credential | [Credential helper](/docs/third-party/claude-desktop/configuration#inferencecredentialhelper) (
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| Value | Behavior |
| ---------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Value | Behavior |
| - | - |
| `block` | Claude can open only the entries in [`builtinBrowserAllowedDomains`](/docs/third-party/claude-desktop/configuration#builtinbrowseralloweddomains)
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| Identity provider | Stable per-user claim | Group/role claim |
| ------------------ | --------------------------- | ---------------------------------- |
| Microsoft Entra ID | `oid` (directory object ID) | `roles` (app roles) or `groups` |
| Okta | `uid` or `sub` | `groups` (via a custom claim rule) |
| Generic OIDC | `sub` | provider-specific |
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When `inferenceModels` is unset, Claude Desktop on 3P populates the model picker from your gateway's `GET /v1/models` response. Auto-discovery shows only models whose IDs are recog
If your gateway serves a Claude model under an opaque routing alias, it can mark the model as Claude by returning an `anthropic_family_tier` field (a Claude tier name such as `sonn
When `inferenceModels` is unset, Claude Desktop on 3P populates the model picker from your gateway's `GET /v1/models` response. Auto-discovery shows only models whose IDs are recog
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[`builtinBrowserDefaultDomainPolicy`](/docs/third-party/claude-desktop/configuration#builtinbrowserdefaultdomainpolicy) decides whether Claude can open every site except the ones y
[`builtinBrowserDefaultDomainPolicy`](/docs/third-party/claude-desktop/configuration#builtinbrowserdefaultdomainpolicy) decides whether Claude can open every site except the ones y
The policy also governs sites that the site safety check flags for confirmation rather than blocks. Under the default `allow` policy, Claude asks the user before each of its action
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The cached response is held **in memory only**; there is no on-disk fallback to a previous session's response. If your bootstrap server is unreachable when Claude Desktop launches,
The full response is held **in memory only**. If your bootstrap server is unreachable when Claude Desktop launches, the user stays in the degraded sign-in state until the server re
Each device also keeps a small record from the last response it applied, and applies the settings in that record at the next launch until your server answers. Signing out of Claude
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| Domain | Required when | Purpose
| --------------------------------------- | --------------------------------------------------------- | ----------------------------------------------------------------------------
| `claude.ai` | Always | Browser-based sign-in, usage analytics, feature configuration, and the catal
| `platform.claude.com` | Always | Completing sign-in (the OAuth token exchange)
| `api.anthropic.com` | Always | The Claude API for every request Claude makes, plus account and usage inform
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| Network shape | macOS
| ---------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------
| Explicit outbound HTTP proxy (HTTP CONNECT) | Supported; detected automatically from the system settings
| Proxy that requires Basic authentication | Supported, with credentials in the proxy address
| Proxy that requires NTLM, Negotiate, or Kerberos authentication | Not supported
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| Action | Card title | Scope options
| ---------------------- | --------------------------------------------------------------------------------------------------------------- | ---------------------------------------
| Read or write a folder | Access `<folder>` on your computer? | Read-only or Read & write; persists unt
| Run code | Run Python code? / Run R code? / Run a shell command? / Run a PowerShell command? (Windows) / Install packages? | Once, This conversation, This project,
| Reach a network host | Connect to `<target>`? | Persists until revoked
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When Claude runs code, its network access passes through a local filtering proxy that allows only the domains on the sandbox's built-in allowlist, grouped by purpose below. By defa
When Claude runs code, its network access passes through a local filtering proxy that allows only the domains on the sandbox's built-in allowlist, grouped by purpose below. By defa
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Configuring a mirror removes the public package hosts from the sandbox's network allowlist and admits the mirror host in their place, so a misconfigured mirror fails with an error
Configuring a mirror removes the public package hosts from the sandbox's network allowlist and admits the mirror host in their place, so a misconfigured mirror fails with an error
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| Action | Card title | Scope options |
| ---------------------- | ----------------------------------------------------------- | ------------------------------------------------- |
| Read or write a folder | Access `<folder>` on your computer? | Read-only or Read & write; persists until revoked |
| Run code | Run Python code? / Run a shell command? / Install packages? | Once, This conversation, This project, or Global |
| Reach a network host | Connect to `<target>`? | Persists until revoked |
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<Update label="0.1.53" description="September 24, 2026">
* Paste a list of domains in **Settings > Network** to allow them all at once
* In Markdown files, editing table cells in place now works in files with up to 2,500 table cells, however long their text
* **Settings > Connectors**: a Featured connector that was turned off during setup now shows as off, and turning it back on lets Claude use it again
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When a managed source is present, it wins and locally written values are ignored. The exception is a managed source that sets only [app-behavior keys](/docs/third-party/claude-desk
When a managed source is present, it wins and locally written values are ignored. The exception is a managed source that sets only [app-behavior keys](/docs/third-party/claude-desk
```json theme={null}
```json theme={null} theme={null} theme={null} theme={null} theme={null} theme={null} theme={null}
```json theme={null}
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| Data | Does Anthropic store it?
| --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------
| Prompts, model responses, and tool inputs and outputs | **No.** They go to your inference provider, and tool calls go to the connectors yo
| Conversation history, projects, memory, and uploaded files | **No.** They stay on the device.
| Provider credentials, API keys, bearer tokens, and MCP secrets | **No**, except the client secret of a Google Desktop-app OAuth client, which Googl
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While the app runs, it re-checks the configuration on a timer. When you save a change, the app downloads it at the next check and asks the user to relaunch, as described under [Con
While the app runs, it re-checks the configuration on a timer. When you save a change, the app downloads it at the next check and, for most settings, asks the user to relaunch, as
Usage analytics lets your administrators see how much each user uses Chat, Cowork, and Code in Claude Desktop. Usage analytics is off by default. A member with the Owner or Primary
Usage analytics lets your administrators see how much each user uses Chat, Cowork, and Code in Claude Desktop. Usage analytics is off by default. A member with the Owner or Primary
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Configure the helper with the `inferenceCredentialHelper` key; see the [Configuration reference](/docs/third-party/claude-desktop/configuration#inferencecredentialhelper) for the f
Configure the helper with the `inferenceCredentialHelper` key; see the [Configuration reference](/docs/third-party/claude-desktop/configuration.md#inferencecredentialhelper) for th
> `inferenceCredentialHelper` supplies credentials for the inference connection only. An MCP server deployed through [`managedMcpServers`](/docs/third-party/claude-desktop/configur
> `inferenceCredentialHelper` supplies credentials for the inference connection only. An MCP server deployed through [`managedMcpServers`](/docs/third-party/claude-desktop/configur
In a macOS configuration profile or the Windows registry, write the array as a JSON string, as with the other [array-typed keys](/docs/third-party/claude-desktop/configuration#valu
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<Note>
`inferenceCredentialHelper` supplies credentials for the inference connection only. An MCP server deployed through [`managedMcpServers`](/docs/third-party/claude-desktop/configur
</Note>
> [!NOTE]
>
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| Provider | Web Search
| ----------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------
| Google Cloud's Agent Platform | Available
| Microsoft Foundry | Available on both [hosting options](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry#hosting-options)
| Amazon Bedrock | Not available natively; use the [built-in web search](#built-in-web-search) below
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| Value | Behavior
| --------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------
| Unset | Off, unless a Claude Code managed-settings `sshHostAllowlist` on the device allows hosts (see [Interaction with Claude Code
| `[]` | Off. Delivered by an administrator, `[]` also overrides a Claude Code managed-settings allowlist on the device
| `["*"]` | Users can connect to any host
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| Requirement | macOS | Windows |
| ---------------- | ---------------------------- | -------------------------------------------------------------------- |
| Operating system | macOS 14 (Sonoma) or later | Windows 10 build 19041 (version 2004) or later, including Windows 11 |
| CPU architecture | Apple silicon or Intel (x64) | x64 or Arm64 |
| Installer | `.dmg` | `.msix` |
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| Scenario | Use
| --------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------
| Proof of concept, single team | [API key](#api-key) (`inferenceFoundryApiKey`)
| Broad rollout with per-user identity | [In-app Entra ID sign-in](#in-app-entra-id-sign-in) (`inferenceFoundryTenantId`, `inferenceFou
| Your organization already has tooling that obtains a Microsoft Foundry credential | [Credential helper](/docs/third-party/claude-desktop/configuration#inferencecredentialhelper)
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| Feature | Claude Enterprise | Claude Desktop on 3P |
| ----------------------------------------------------------------------------------------------------------------------------------- | :---------------: | :------------------: |
| Chat | ✓ | ✓ |
| Cowork | ✓ | ✓ |
| Code | ✓ | ✓ |
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