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MCP tunnels Claude Documentation · in the page connectors/mcp-tunnels/overview # MCP tunnels > Connect Claude to MCP servers inside your private network without opening inbound firewall ports or exposing the servers to the internet. <Note> MCP tunnels are in research preview… Set up an MCP tunnel Claude Documentation · in the page connectors/mcp-tunnels/setup …h Helm or Docker Compose, verify the connection, and add tunneled MCP servers as custom connectors. <Note> MCP tunnels are in research preview and are available to organizations on the Claude Enter… Troubleshoot MCP tunnels Claude Documentation · in the page connectors/mcp-tunnels/troubleshooting …etween Anthropic and your proxy, then the proxy's routing to your MCP server. The cloudflared and proxy logs on your side show which point a request reached. If the proxy logs nothing at all for a req… Microsoft 365 connector Claude Documentation · in the page connectors/microsoft/365 …admin center (under **Enterprise applications**, listed as **M365 MCP Server for Claude**) shows only the permissions your tenant has already approved, so a missing permission doesn't appear there. A… Connector verification Claude Documentation · in the page connectors/verification …y connector built by someone other than Anthropic: * Only connect to servers from developers and organizations you trust * A connector's developer controls which tools it exposes and can change them… Changelog Claude Documentation · in the page cowork/changelog …Claude Code 2.1.275 or later to read project settings, hooks and MCP servers from the project folder you opened instead of the worktree's checked-out branch, with that folder's `.claude` config and `… Install plugins Claude Documentation · in the page cowork/guide/plugins …usable instructions that teach Claude a workflow | | Connectors | MCP servers that give Claude access to an external service | | Agents | Specialized subagents Claude can delegate to | | Hooks | Scrip… Monitoring Claude Documentation · in the page cowork/monitoring …`tool_result_size_bytes` | Size of the tool result in bytes | | `mcp_server_scope` | MCP server scope identifier (for MCP tools) | | `tool_parameters` | JSON string containing tool-specific parameter… Publish to the directory Claude Documentation · in the page directory/publish …ons. This page is for developers who have built a plugin, or the MCP server behind one, and want it listed. Anyone on a paid Claude plan can submit, there's no partner program to apply to first, and… Track your directory submission Claude Documentation · in the page directory/submission-status …publishing](/docs/connectors/building/after-publishing): update your server or plugin, and delist * [Submit your plugin](/docs/plugins/submit#after-you-submit-a-plugin): follow each new plugin versio… Connectors, skills, and plugins Claude Documentation · in the page extend/overview …de can read from it and act in it. Each one is a connection to an MCP server, which the service runs so Claude can reach it. In Claude's settings, connectors appear under **Connectors** * **[Skills](/… Manage plugins and connectors Claude Documentation · in the page government/config/plugins-and-connectors …its hooks run on the member's machine. A plugin can also declare [MCP servers](/docs/connectors/getting-started) of its own, and [Plugins that run code](#plugins-that-run-code) describes how they beha… Available settings Claude Documentation · in the page government/config/settings …mbers can add connectors of their own in Claude Desktop, as local MCP servers under **Settings**, then **Developer**. The **Let members add their own connectors** switch is off by default. It sets Cla… Set up the Microsoft 365 connector Claude Documentation · in the page government/connectors/microsoft-365 …ailability requirements | | - | - | | Windows | Windows 10 or Windows Server 2019 or later. The device is joined or registered to Entra ID (Entra joined, Entra hybrid joined, or Entra registered). | |… Connectors Claude Documentation · in the page government/connectors/overview # Connectors > Add Model Context Protocol servers for your own systems, choose which Claude products receive each one, and set which of their tools are available to members. > **Who this is for:** T… Connect Claude Desktop to Claude for Government Claude Documentation · in the page government/deploy-desktop/configure …g). The app supports routing its traffic through your network's proxy server, as the [Security and data handling](/docs/government/security/security-and-data-handling#network-egress-required-domains-a… Security and data handling Claude Documentation · in the page government/security/security-and-data-handling …are not listed in a connector's **Tool policy**, including tools the server adds later, stay under each user's control. The Microsoft 365 connector always asks for approval before write actions such… Tenant restrictions Claude Documentation · in the page government/tenant-admin/tenant-restrictions …not obvious. A client that supplies its own value can then reach the server with both values, which either bypasses the restriction or causes that client's requests to fail, depending on how the appl… Welcome Claude Documentation · in the page index …ls and data in Google Drive, GitHub, Slack, Microsoft 365, or any MCP server.</span></span> <span className="hl-card-cta">Browse connectors <svg className="hl-arrow" aria-hidden="true" viewB… Data storage and retention Claude Documentation · in the page office-agents/data-storage …nd the Outlook writing style guide | Nowhere. Local only, no sync, no server-side backup | | Sign-in credentials | Only to the identity provider they belong to | | Usage telemetry sent to Anthropic |… Security, admin auditability, and analytics Claude Documentation · in the page office-agents/enterprise-readiness …Managed OTLP ingest endpoints such as Grafana Cloud are designed for server-to-server export and generally do not answer browser CORS preflights, so the browser blocks the export before it sends any… Use Claude for Excel Claude Documentation · in the page office-agents/excel …browser using IndexedDB. Conversations are not stored on Anthropic's servers, are not synced across devices, and can be cleared from Settings at any time. Reinstalling the add-in or switching between… Configure a custom OpenTelemetry collector Claude Documentation · in the page office-agents/opentelemetry …e. Managed OTLP ingest endpoints such as Grafana Cloud are built for server-to-server export and generally do not answer browser CORS preflights. Point the add-in at an OpenTelemetry Collector you ru… Use Claude for Outlook Claude Documentation · in the page office-agents/outlook …ion and audit](#data-retention-and-audit). The add-in does not keep a server-side copy or index of your mailbox. ### When you connect through a third-party platform The prompt goes only to the infer… Performance and limits Claude Documentation · in the page office-agents/performance …ont-normal">↑</a> “<a href="https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/perfmon">perfmon</a>”. <em>Microsoft Learn</em>. “/rel | Starts the Reliability Monitor.”</… Use Claude for PowerPoint Claude Documentation · in the page office-agents/powerpoint …browser using IndexedDB. Conversations are not stored on Anthropic's servers, are not synced across devices, and can be cleared from Settings at any time. Reinstalling the add-in or switching between… Use Claude for M365 with third-party platforms Claude Documentation · in the page office-agents/third-party-platforms …365-install:bootstrap` | Builds a bootstrap endpoint for per-user MCP servers, skills, and dynamic config. | | `/claude-for-msft-365-install:debug` | Diagnoses deployment issues: stale config after a… Use Claude for Word Claude Documentation · in the page office-agents/word …browser using IndexedDB. Conversations are not stored on Anthropic's servers, are not synced across devices, and can be cleared from Settings at any time. Reinstalling the add-in or switching between… Work across M365 apps Claude Documentation · in the page office-agents/work-across-apps …y. Chat history is stored locally in your browser, not on Anthropic's servers, and can be cleared from Settings at any time. ## Current limitations * Claude can only read from and write to files tha… Plugin structure and testing Claude Documentation · in the page plugins/build …cp"> <p>`.mcp.json` at the plugin root references your remote MCP server by URL. On claude.ai and in Cowork, the entry is listed on the plugin's **Connectors** tab, where each user adds or connect… Roll out a plugin to your whole organization Claude Documentation · in the page plugins/org-rollout …& skills**](https://claude.ai/admin-settings/skills?tab=inventory) | Server-managed settings, an MDM policy, or a `managed-settings.json` file | | What you set | An availability for each plugin, such… Sync your organization's plugins from a repository Claude Documentation · in the page plugins/org-sync ….com](#sync-a-marketplace-from-github-com) * **Your GitHub Enterprise Server host**: your organization's [GitHub Enterprise App](https://code.claude.com/docs/en/github-enterprise-server#admin-setup) *… Plugin feature support across platforms Claude Documentation · in the page plugins/platform-support …s/en/plugins/components#hooks) in the Claude Code docs | | Remote MCP server, `http` or `sse` with a fixed URL | Listed on the plugin's **Connectors** tab; works once you add or connect it there | Loa… Plugin pre-submission checklist Claude Documentation · in the page plugins/pre-submission-checklist …select **Submit for review** | | Keep every file that a hook, an MCP server command, or a script uses inside the plugin folder, and point every component path in `plugin.json` inside it | Blocks for… Build your first plugin Claude Documentation · in the page plugins/quickstart …building one. You can follow it with a product that has a remote MCP server, or with only a skill. <Note> * If you want to make a plugin from a conversation without writing files, see [Create a pl… Share a plugin with teammates Claude Documentation · in the page plugins/share …n includes something that runs on their computer, such as a local MCP server or a hook, Claude asks them to confirm first * **What they can change**: nothing in the plugin. They can view it, turn it o… Submit your plugin Claude Documentation · in the page plugins/submit …ository and you want it listed. If the plugin references a remote MCP server you run, submit that server as an MCP connector too, as [Submit your plugin, and your MCP server as a connector](/docs/dire… Deploy with Enterprise Admin Console Claude Documentation · in the page third-party/claude-desktop/admin-console …/docs/third-party/claude-desktop/mdm) profile or running a [bootstrap server](/docs/third-party/claude-desktop/bootstrap). Your users sign in to Claude Desktop once with their work account, through yo… Built-in browser and Claude in Chrome Claude Documentation · in the page third-party/claude-desktop/browser …. When the configuration comes from MDM, a local file, or a bootstrap server, use the [built-in browser](#built-in-browser) instead. When Claude in Chrome is on, Claude can open and work in tabs in t… Built-in connectors Claude Documentation · in the page third-party/claude-desktop/built-in-connectors # Built-in connectors > MCP servers bundled inside Claude Desktop on 3P: which servers ship in the app, how built-in entries work, and where each one is documented Claude Desktop ships copies of som… Chat in Claude Desktop on 3P Claude Documentation · in the page third-party/claude-desktop/chat …rk and Code sessions; depends on your provider or a configured search server. See [Web search](/docs/third-party/claude-desktop/web-tools#web-search). | | Web fetch | Runs in the app on the device, ne… Code in Claude Desktop on 3P Claude Documentation · in the page third-party/claude-desktop/code …le that sets `skipWebFetchPreflight` takes precedence. | | `managedMcpServers` | Makes the same managed MCP servers available in Code sessions. The app handles the connection and authentication; the C… Configuration reference Claude Documentation · in the page third-party/claude-desktop/configuration …ject\[] (JSON) | JSON array of objects, as a string | see [`managedMcpServers`](#managedmcpservers) | <Note> Array- and object-typed keys such as `inferenceModels`, `inferenceGatewayOidc`, `managed… Configuration changelog Claude Documentation · in the page third-party/claude-desktop/configuration-changelog …M key | Type | Description | | - | - | - | | [`deniedPluginMcpServers`](/docs/third-party/claude-desktop/configuration#deniedpluginmcpservers) | `object[]` | Blocked plugin MCP servers | </d… Connect to Box Claude Documentation · in the page third-party/claude-desktop/connectors-box …de access to your organization's Box content through Box's remote MCP server, with an OAuth client a Box admin creates and a client secret helper script on each device. When Claude Desktop is deploye… Connect to GitHub Claude Documentation · in the page third-party/claude-desktop/connectors-github …tories, issues, and pull requests, either through GitHub's hosted MCP server or a server built into the desktop app. When Claude Desktop is deployed on third-party inference, Claude can work with you… Connect to Google Cloud Claude Documentation · in the page third-party/claude-desktop/connectors-google-cloud …Cloud > Give Claude access to BigQuery and Google's other remote MCP servers with an OAuth client from your own Google Cloud project, set up in the Enterprise Admin Console. When Claude Desktop is d… Connect to Microsoft 365 Claude Documentation · in the page third-party/claude-desktop/connectors-m365 …nthropic does not collect or store any data that transits through the server. To keep all Microsoft 365 traffic between the user's device and Microsoft instead, use the [local connector](#local-connec… Connect to Salesforce Claude Documentation · in the page third-party/claude-desktop/connectors-salesforce …ess to your Salesforce org through Salesforce's plugin and hosted MCP server, set up in the Enterprise Admin Console or your managed configuration with an OAuth client that a Salesforce admin creates.… Write a credential helper Claude Documentation · in the page third-party/claude-desktop/credential-helper …elper` supplies credentials for the inference connection only. An MCP server deployed through [`managedMcpServers`](/docs/third-party/claude-desktop/configuration#managedmcpservers) uses the separate…
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