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MCP Inspector Model Context Protocol · in the page docs/2025-11-25/tools/inspector …inspector) is an interactive developer tool for testing and debugging MCP servers. While the [Debugging Guide](/docs/2025-11-25/tools/debugging.md) covers the Inspector as part of the overall debuggin… Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-11-25/tutorials/security/authorization …thorization in MCP > Learn how to implement secure authorization for MCP servers using OAuth 2.1 to protect sensitive resources and operations Authorization in the Model Context Protocol (MCP) secur… Security Best Practices Model Context Protocol · in the page docs/2025-11-25/tutorials/security/security_best_practices …is document includes developers implementing MCP authorization flows, MCP server operators, and security professionals evaluating MCP-based systems. This document should be read alongside the MCP Auth… Build an MCP client Model Context Protocol · in the page docs/2026-07-28/develop/build-client …t > Get started building your own client that can integrate with all MCP servers. In this tutorial, you'll learn how to build an LLM-powered chatbot client that connects to MCP servers. Before you… Build with Agent Skills Model Context Protocol · in the page docs/2026-07-28/develop/build-with-agent-skills …gent Skills > Use agent skills to guide AI coding assistants through MCP server design and implementation [Agent skills](https://agentskills.io/home) are portable instruction sets that give AI codin… Client Best Practices Model Context Protocol · in the page docs/2026-07-28/develop/clients/client-best-practices …and tools. As MCP host applications, such as agents, connect to more MCP servers and accumulate access to hundreds or thousands of tools, naive approaches to tool management break down. Loading every… What is the Model Context Protocol (MCP)? Model Context Protocol · in the page docs/2026-07-28/getting-started/intro …Build servers](/docs/2026-07-28/develop/build-server.md)** > > Create MCP servers to expose your data and tools > **[Build clients](/docs/2026-07-28/develop/build-client.md)** > > Develop application… Architecture overview Model Context Protocol · in the page docs/2026-07-28/learn/architecture …#data-layer-protocol) section to be the most useful. It discusses how MCP servers can provide context to an AI application. For specific implementation details, please refer to the documentation for… Understanding MCP clients Model Context Protocol · in the page docs/2026-07-28/learn/client-concepts …are instantiated by host applications to communicate with particular MCP servers. The host application, like Claude.ai or an IDE, manages the overall user experience and coordinates multiple clients.… SDKs Model Context Protocol · in the page docs/2026-07-28/sdk …SDKs > Official SDKs for building with Model Context Protocol Build MCP servers and clients using our official SDKs. SDKs are classified into tiers based on feature completeness, protocol support, a… Debugging Model Context Protocol · in the page docs/2026-07-28/tools/debugging …(MCP) integrations Effective debugging is essential when developing MCP servers or integrating them with applications. This guide covers the debugging tools and approaches available in the MCP ecosy… MCP Inspector Model Context Protocol · in the page docs/2026-07-28/tools/inspector …Inspector > Interactive developer tooling for testing and debugging MCP servers, in the browser, on the command line, and in the terminal The [MCP Inspector](https://github.com/modelcontextprotocol… Authorization Model Context Protocol · in the page docs/2026-07-28/tools/inspector/authorization …authorizes mid-session, and shares tokens between its clients Remote MCP servers usually require authorization. The Inspector implements the full [authorization](/specification/latest/basic/authoriza… mcpdo connection client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/mcpdo # mcpdo connection client > Connect to an MCP server once, then run many commands against that named connection `mcpdo` is an **experimental** command-line client that ships in the `@modelcontextpro… Recipes Model Context Protocol · in the page docs/2026-07-28/tools/inspector/recipes …ting client config On the Servers screen, **Add Servers** can import MCP servers you have already configured elsewhere instead of retyping them. It parses Claude Desktop, Cursor, Cline, and VS Code c… Security Model Context Protocol · in the page docs/2026-07-28/tools/inspector/security …e file and re-enter the values. ## stdio servers run as you A stdio MCP server is a process the Inspector starts with your user's privileges, exactly as any MCP host would. * **Environment:** the I… Web client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/web …ct=<token> ``` | Parameter | Meaning | | - | - | | `serverUrl` | The MCP server URL. Restricted to `http:` / `https:`; a crafted `javascript:` or `file:` value is rejected. | | `transport` | `http` (… Understanding Authorization in MCP Model Context Protocol · in the page docs/2026-07-28/tutorials/security/authorization …thorization in MCP > Learn how to implement secure authorization for MCP servers using OAuth 2.1 to protect sensitive resources and operations Authorization in the Model Context Protocol (MCP) secur… Local Server Security Model Context Protocol · in the page docs/2026-07-28/tutorials/security/local-server-security # Local Server Security > Practical defaults for running MCP servers safely on your own machine. Most MCP security documentation covers the protocol threat model: OAuth flows, token handling, sessio… Security Best Practices Model Context Protocol · in the page docs/2026-07-28/tutorials/security/security_best_practices …is document includes developers implementing MCP authorization flows, MCP server operators, and security professionals evaluating MCP-based systems. This document should be read alongside the MCP Auth… Build an MCP client Model Context Protocol · in the page docs/draft/develop/build-client …t > Get started building your own client that can integrate with all MCP servers. In this tutorial, you'll learn how to build an LLM-powered chatbot client that connects to MCP servers. Before you… Build with Agent Skills Model Context Protocol · in the page docs/draft/develop/build-with-agent-skills …gent Skills > Use agent skills to guide AI coding assistants through MCP server design and implementation [Agent skills](https://agentskills.io/home) are portable instruction sets that give AI codin… Client Best Practices Model Context Protocol · in the page docs/draft/develop/clients/client-best-practices …and tools. As MCP host applications, such as agents, connect to more MCP servers and accumulate access to hundreds or thousands of tools, naive approaches to tool management break down. Loading every… What is the Model Context Protocol (MCP)? Model Context Protocol · in the page docs/draft/getting-started/intro …> **[Build servers](/docs/draft/develop/build-server.md)** > > Create MCP servers to expose your data and tools > **[Build clients](/docs/draft/develop/build-client.md)** > > Develop applications tha… Architecture overview Model Context Protocol · in the page docs/draft/learn/architecture …#data-layer-protocol) section to be the most useful. It discusses how MCP servers can provide context to an AI application. For specific implementation details, please refer to the documentation for… Understanding MCP clients Model Context Protocol · in the page docs/draft/learn/client-concepts …are instantiated by host applications to communicate with particular MCP servers. The host application, like Claude.ai or an IDE, manages the overall user experience and coordinates multiple clients.… SDKs Model Context Protocol · in the page docs/draft/sdk …SDKs > Official SDKs for building with Model Context Protocol Build MCP servers and clients using our official SDKs. SDKs are classified into tiers based on feature completeness, protocol support, a… Debugging Model Context Protocol · in the page docs/draft/tools/debugging …(MCP) integrations Effective debugging is essential when developing MCP servers or integrating them with applications. This guide covers the debugging tools and approaches available in the MCP ecosy… MCP Inspector Model Context Protocol · in the page docs/draft/tools/inspector …Inspector > Interactive developer tooling for testing and debugging MCP servers, in the browser, on the command line, and in the terminal The [MCP Inspector](https://github.com/modelcontextprotocol… Authorization Model Context Protocol · in the page docs/draft/tools/inspector/authorization …authorizes mid-session, and shares tokens between its clients Remote MCP servers usually require authorization. The Inspector implements the full [authorization](/specification/latest/basic/authoriza… mcpdo connection client Model Context Protocol · in the page docs/draft/tools/inspector/mcpdo # mcpdo connection client > Connect to an MCP server once, then run many commands against that named connection `mcpdo` is an **experimental** command-line client that ships in the `@modelcontextpro… Recipes Model Context Protocol · in the page docs/draft/tools/inspector/recipes …ting client config On the Servers screen, **Add Servers** can import MCP servers you have already configured elsewhere instead of retyping them. It parses Claude Desktop, Cursor, Cline, and VS Code c… Security Model Context Protocol · in the page docs/draft/tools/inspector/security …e file and re-enter the values. ## stdio servers run as you A stdio MCP server is a process the Inspector starts with your user's privileges, exactly as any MCP host would. * **Environment:** the I… Web client Model Context Protocol · in the page docs/draft/tools/inspector/web …ct=<token> ``` | Parameter | Meaning | | - | - | | `serverUrl` | The MCP server URL. Restricted to `http:` / `https:`; a crafted `javascript:` or `file:` value is rejected. | | `transport` | `http` (… Understanding Authorization in MCP Model Context Protocol · in the page docs/draft/tutorials/security/authorization …thorization in MCP > Learn how to implement secure authorization for MCP servers using OAuth 2.1 to protect sensitive resources and operations Authorization in the Model Context Protocol (MCP) secur… Local Server Security Model Context Protocol · in the page docs/draft/tutorials/security/local-server-security # Local Server Security > Practical defaults for running MCP servers safely on your own machine. Most MCP security documentation covers the protocol threat model: OAuth flows, token handling, sessio… Security Best Practices Model Context Protocol · in the page docs/draft/tutorials/security/security_best_practices …is document includes developers implementing MCP authorization flows, MCP server operators, and security professionals evaluating MCP-based systems. This document should be read alongside the MCP Auth… Example Servers Model Context Protocol · in the page examples …for historical reference only. ## Official integrations Visit the [MCP Servers Repository (Official Integrations section)](https://github.com/modelcontextprotocol/servers?tab=readme-ov-file#%EF%B8%… Build an MCP App Model Context Protocol · in the page extensions/apps/build …OURCE_MIME_TYPE, text: html }, ], }; }, ); // Expose the MCP server over HTTP const expressApp = express(); expressApp.use(cors()); expressApp.use(express.json()); expressApp.post("/mcp"… MCP Apps Model Context Protocol · in the page extensions/apps/overview …it. * **Bidirectional data flow.** Your app can call any tool on the MCP server, and the host can push fresh results to your app. A standalone web app would need its own API, authentication, and… Enterprise-Managed Authorization Model Context Protocol · in the page extensions/auth/enterprise-managed-authorization …l/enterprise-managed-authorization`) enables organizations to control MCP server access centrally through their existing identity provider (IdP). Instead of each employee authorizing each MCP server i… OAuth Client Credentials Model Context Protocol · in the page extensions/auth/oauth-client-credentials …749#section-4.4) to MCP. This enables automated systems to connect to MCP servers without interactive user authorization. > **[Specification](https://github.com/modelcontextprotocol/ext-auth/blob/mai… Authorization Extensions Model Context Protocol · in the page extensions/auth/overview …policy across all applications. Requiring employees to authorize each MCP server individually creates friction and bypasses existing security controls. The ext-auth extensions address these gaps. ##… Extensions Overview Model Context Protocol · in the page extensions/overview …ption | | - | - | | [MCP Apps](/extensions/apps/overview.md) | Allows MCP Servers to display interactive UI elements (charts, forms, video players) inline within conversations | To get started buildi… Skills Model Context Protocol · in the page extensions/skills/overview # Skills > Discover and read Agent Skills from MCP servers The [ext-skills repository](https://github.com/modelcontextprotocol/ext-skills) contains the published specification for the official Skill… Tasks Model Context Protocol · in the page extensions/tasks/overview …rably so polling can resume after a client crash or restart. ### For MCP servers To return tasks from your server: **1. Advertise support** Include the extension in your `server/discover` capabili… The MCP Registry Model Context Protocol · in the page registry/about …the official centralized metadata repository for publicly accessible MCP servers, backed by major trusted contributors to the MCP ecosystem such as Anthropic, GitHub, PulseMCP, and Microsoft. The MC… How to Automate Publishing with GitHub Actions Model Context Protocol · in the page registry/github-actions …NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }} ### Publish MCP server: - name: Install mcp-publisher run: | curl -L "https://github.com/modelcontextprotocol/registr… MCP Registry Supported Package Types Model Context Protocol · in the page registry/package-types …e: ```markdown README.md highlight={5} theme={null} # Database Query MCP Server This MCP server executes SQL queries and manages database connections. <!-- mcp-name: io.github.username/database-que… Publishing Remote Servers Model Context Protocol · in the page registry/remote-servers …elcontextprotocol/registry/issues). The MCP Registry supports remote MCP servers via the `remotes` property in `server.json`: ```json server.json highlight={7-12} theme={null} { "$schema": "https:…
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