978 pages for system.

Build with Agent Skills Model Context Protocol · in the page docs/2026-07-28/develop/build-with-agent-skills …t: * **What it connects to** — a cloud API, a local process, the filesystem, hardware * **Who will use it** — just you, your team, or anyone who installs it * **Action surface size** — a handful of o… Connect to local MCP servers Model Context Protocol · in the page docs/2026-07-28/develop/connect-local-servers …rn how to extend Claude Desktop with local MCP servers to enable file system access and other powerful integrations Model Context Protocol (MCP) servers extend AI applications' capabilities by provid… Connect to remote MCP Servers Model Context Protocol · in the page docs/2026-07-28/develop/connect-remote-servers …with various services such as project management tools, documentation systems, code repositories, and any other API-enabled service. The key advantage of remote MCP servers is their accessibility. Un… What is the Model Context Protocol (MCP)? Model Context Protocol · in the page docs/2026-07-28/getting-started/intro …is an open-source standard for connecting AI applications to external systems. Using MCP, AI applications like Claude or ChatGPT can connect to data sources (e.g. local files, databases), tools (e.g.… Architecture overview Model Context Protocol · in the page docs/2026-07-28/learn/architecture …e subsequently connects to another MCP server, such as the [local filesystem server](https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem), the Visual Studio Code runtime instantia… Understanding MCP clients Model Context Protocol · in the page docs/2026-07-28/learn/client-concepts …, resource URIs, or server > configuration instead. Roots define filesystem boundaries for server operations, allowing clients to specify which directories servers should focus on. #### Overview Ro… Understanding MCP servers Model Context Protocol · in the page docs/2026-07-28/learn/server-concepts …rough standardized protocol interfaces. Common examples include file system servers for document access, database servers for data queries, GitHub servers for code management, Slack servers for team… SDKs Model Context Protocol · in the page docs/2026-07-28/sdk …hub.com/modelcontextprotocol/kotlin-sdk) | Tier 3 | See [SDK Tiering System](https://modelcontextprotocol.io/community/sdk-tiers.md) for details on what each tier means. ## Getting Started Each SDK… Debugging Model Context Protocol · in the page docs/2026-07-28/tools/debugging …ide covers the debugging tools and approaches available in the MCP ecosystem. ## Debugging tools overview MCP provides several tools for debugging at different levels: 1. **[MCP Inspector](https://… MCP Inspector Model Context Protocol · in the page docs/2026-07-28/tools/inspector …@modelcontextprotocol/inspector npx @modelcontextprotocol/server-filesystem ~/Desktop > ``` > [tab] PyPI package > > ```bash theme={null} > npx @modelcontextprotocol/inspector uvx mcp-server-git --r… CLI client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/cli …erver that calls `roots/list` (as > `@modelcontextprotocol/server-filesystem` does, to learn its allowed > directories) gets them. See [Configuration and flags](https://modelcontextprotocol.io/docs/2… Configuration and flags Model Context Protocol · in the page docs/2026-07-28/tools/inspector/configuration …ediately: > > ```json theme={null} > { > "mcpServers": { > "filesystem-server-default": { > "type": "stdio", > "command": "npx", > "args": ["-y", "@modelcontextprotocol/server-… Security Model Context Protocol · in the page docs/2026-07-28/tools/inspector/security …ry, so that any `mcpdo` command run by the same user can read it. Filesystem permissions on that file are the trust boundary, which is the same same-user boundary the socket has. * **Private mode:** `… Web client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/web …nch the web client seeds the catalog with three sample servers: a filesystem server scoped to `/tmp`, the canonical "everything" reference server, and the MCP org's hosted example server (Streamable H… Understanding Authorization in MCP Model Context Protocol · in the page docs/2026-07-28/tutorials/security/authorization …raft-ietf-oauth-v2-1-13) and works with any authorization or identity system that meets its requirements. This guide explains the flow, then shows how to protect a small server. The full requirements… Local Server Security Model Context Protocol · in the page docs/2026-07-28/tutorials/security/local-server-security …g inside a sandbox the protocol provides. It is an ordinary operating system process, launched by your host application, with all the access that implies: ```mermaid theme={null} flowchart LR Hos… Security Best Practices Model Context Protocol · in the page docs/2026-07-28/tutorials/security/security_best_practices …MCP server operators, and security professionals evaluating MCP-based systems. This document should be read alongside the MCP Authorization specification and [OAuth 2.0 security best practices](https:… Build an MCP client Model Context Protocol · in the page docs/draft/develop/build-client …textprotocol/quickstart-resources/tree/main/mcp-client-python) > > ## System Requirements > > Before starting, ensure your system meets these requirements: > > * Mac or Windows computer > * Latest Pyt… Build an MCP server Model Context Protocol · in the page docs/draft/develop/build-server …> logger.info("Processing request") # writes to stderr > ``` > > ### System requirements > > * Python 3.10 or higher installed. > * You must use the Python MCP SDK 2.0.0 or higher. > > ### Set up you… Build with Agent Skills Model Context Protocol · in the page docs/draft/develop/build-with-agent-skills …t: * **What it connects to** — a cloud API, a local process, the filesystem, hardware * **Who will use it** — just you, your team, or anyone who installs it * **Action surface size** — a handful of o… Connect to local MCP servers Model Context Protocol · in the page docs/draft/develop/connect-local-servers …rn how to extend Claude Desktop with local MCP servers to enable file system access and other powerful integrations Model Context Protocol (MCP) servers extend AI applications' capabilities by provid… Connect to remote MCP Servers Model Context Protocol · in the page docs/draft/develop/connect-remote-servers …with various services such as project management tools, documentation systems, code repositories, and any other API-enabled service. The key advantage of remote MCP servers is their accessibility. Un… What is the Model Context Protocol (MCP)? Model Context Protocol · in the page docs/draft/getting-started/intro …is an open-source standard for connecting AI applications to external systems. Using MCP, AI applications like Claude or ChatGPT can connect to data sources (e.g. local files, databases), tools (e.g.… Architecture overview Model Context Protocol · in the page docs/draft/learn/architecture …e subsequently connects to another MCP server, such as the [local filesystem server](https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem), the Visual Studio Code runtime instantia… Understanding MCP clients Model Context Protocol · in the page docs/draft/learn/client-concepts …, resource URIs, or server > configuration instead. Roots define filesystem boundaries for server operations, allowing clients to specify which directories servers should focus on. #### Overview Ro… Understanding MCP servers Model Context Protocol · in the page docs/draft/learn/server-concepts …rough standardized protocol interfaces. Common examples include file system servers for document access, database servers for data queries, GitHub servers for code management, Slack servers for team… SDKs Model Context Protocol · in the page docs/draft/sdk …hub.com/modelcontextprotocol/kotlin-sdk) | Tier 3 | See [SDK Tiering System](https://modelcontextprotocol.io/community/sdk-tiers.md) for details on what each tier means. ## Getting Started Each SDK… Debugging Model Context Protocol · in the page docs/draft/tools/debugging …ide covers the debugging tools and approaches available in the MCP ecosystem. ## Debugging tools overview MCP provides several tools for debugging at different levels: 1. **[MCP Inspector](https://… MCP Inspector Model Context Protocol · in the page docs/draft/tools/inspector …@modelcontextprotocol/inspector npx @modelcontextprotocol/server-filesystem ~/Desktop > ``` > [tab] PyPI package > > ```bash theme={null} > npx @modelcontextprotocol/inspector uvx mcp-server-git --r… CLI client Model Context Protocol · in the page docs/draft/tools/inspector/cli …erver that calls `roots/list` (as > `@modelcontextprotocol/server-filesystem` does, to learn its allowed > directories) gets them. See [Configuration and flags](https://modelcontextprotocol.io/docs/d… Configuration and flags Model Context Protocol · in the page docs/draft/tools/inspector/configuration …ediately: > > ```json theme={null} > { > "mcpServers": { > "filesystem-server-default": { > "type": "stdio", > "command": "npx", > "args": ["-y", "@modelcontextprotocol/server-… Security Model Context Protocol · in the page docs/draft/tools/inspector/security …ry, so that any `mcpdo` command run by the same user can read it. Filesystem permissions on that file are the trust boundary, which is the same same-user boundary the socket has. * **Private mode:** `… Web client Model Context Protocol · in the page docs/draft/tools/inspector/web …nch the web client seeds the catalog with three sample servers: a filesystem server scoped to `/tmp`, the canonical "everything" reference server, and the MCP org's hosted example server (Streamable H… Understanding Authorization in MCP Model Context Protocol · in the page docs/draft/tutorials/security/authorization …raft-ietf-oauth-v2-1-13) and works with any authorization or identity system that meets its requirements. This guide explains the flow, then shows how to protect a small server. The full requirements… Local Server Security Model Context Protocol · in the page docs/draft/tutorials/security/local-server-security …g inside a sandbox the protocol provides. It is an ordinary operating system process, launched by your host application, with all the access that implies: ```mermaid theme={null} flowchart LR Hos… Security Best Practices Model Context Protocol · in the page docs/draft/tutorials/security/security_best_practices …MCP server operators, and security professionals evaluating MCP-based systems. This document should be read alongside the MCP Authorization specification and [OAuth 2.0 security best practices](https:… Example Servers Model Context Protocol · in the page examples …Web content fetching and conversion for efficient LLM usage * **[Filesystem](https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem)** - Secure file operations with configurable acc… MCP Apps Model Context Protocol · in the page extensions/apps/overview …**Real-time monitoring.** A dashboard showing live metrics, logs, or system status needs continuous updates. An MCP App maintains a persistent connection, updating the display as data changes without… Enterprise-Managed Authorization Model Context Protocol · in the page extensions/auth/enterprise-managed-authorization …e used to link the enterprise identity to an existing account in your system. Use the subject claim as the primary stable identifier for the user, and fall back to the email claim for matching against… OAuth Client Credentials Model Context Protocol · in the page extensions/auth/oauth-client-credentials …ietf.org/doc/html/rfc6749#section-4.4) to MCP. This enables automated systems to connect to MCP servers without interactive user authorization. > [card] [Specification](https://github.com/modelcontex… Skills Model Context Protocol · in the page extensions/skills/overview …d bytes on every access. Hosts **MUST** exclude cached files from filesystem-skill discovery paths and preserve their MCP origin, including after a restart. > [!NOTE] > > Digests establish consistenc… Tasks Model Context Protocol · in the page extensions/tasks/overview …`input_required` and the client presents the request. **External job systems.** If your server wraps an API that already uses job IDs (cloud deployments, async APIs, queued work), return a task when… The MCP Registry Model Context Protocol · in the page registry/about …sible MCP servers, backed by major trusted contributors to the MCP ecosystem such as Anthropic, GitHub, PulseMCP, and Microsoft. The MCP Registry provides: * A single place for server creators to pu… MCP Registry Supported Package Types Model Context Protocol · in the page registry/package-types …oolchain (`rustup`) to run `cargo install`. Idiomatic for the Rust ecosystem and consistent with how Rust CLIs are typically published. * **MCPB (`registryType: mcpb`)** — prebuilt binary distributed… Quickstart: Publish an MCP Server to the MCP Registry Model Context Protocol · in the page registry/quickstart …/usr/local/bin/ ``` ```powershell Windows theme={null} $arch = if ([System.Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture -eq "Arm64") { "arm64" } else { "amd64" }; Invoke-WebReque… SEP-1024: MCP Client Security Requirements for Local Server Installation Model Context Protocol · in the page seps/1024-mcp-client-security-requirements-for-local-server- …lows, allowing malicious actors to execute arbitrary commands on user systems through crafted MCP server configurations distributed via links or social engineering. This proposal establishes a best p… SEP-1036: URL Mode Elicitation for secure out-of-band interactions Model Context Protocol · in the page seps/1036-url-mode-elicitation-for-secure-out-of-band-intera …swords, and other credentials must never transit through intermediary systems. 2. External authorization: MCP servers often need to access third-party APIs on behalf of users. The MCP authorization sp… SEP-1046: Support OAuth client credentials flow in authorization Model Context Protocol · in the page seps/1046-support-oauth-client-credentials-flow-in-authoriza …Basic authentication (Allowed for maximum compatibility with existing systems) Other options, such as mTLS, are not included. While the spec encourages the use of RFC 7523 (JWT Assertions), it does… SEP-1302: Formalize Working Groups and Interest Groups in MCP Governance Model Context Protocol · in the page seps/1302-formalize-working-groups-and-interest-groups-in-mc …The community has already been self-organizing into several disparate systems for these collaborative groups: * The Steering group has had a long-standing practice of managing a handful of collaborat… SEP-1319: Decouple Request Payload from RPC Methods Definition Model Context Protocol · in the page seps/1319-decouple-request-payload-from-rpc-methods-definiti …rovement that enables future growth without penalizing the current ecosystem. ## Backward Compatibility This proposal is a **non-breaking change** for existing implementations. It is a refactoring o…