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Build with Agent Skills Model Context Protocol · in the page docs/2025-06-18/develop/build-with-agent-skills …as the [`mcp-server-dev` plugin](https://github.com/anthropics/claude-plugins-official/tree/main/plugins/mcp-server-dev). It provides three composing skills: | Skill | Purpose | | - | - | | `build-m…

Connect to remote MCP Servers Model Context Protocol · in the page docs/2025-06-18/develop/connect-remote-servers …ing-started-with-custom-connectors-using-remote-mcp) provided by third-party developers * [Build your own remote MCP servers to connect with any tool](/docs/2025-06-18/develop/build-server.md) ## Con…

Architecture overview Model Context Protocol · in the page docs/2025-06-18/learn/architecture …most developers will likely find the [data layer protocol](#data-layer-protocol) section to be the most useful. It discusses how MCP servers can provide context to an AI application. For specific imp…

Understanding MCP clients Model Context Protocol · in the page docs/2025-06-18/learn/client-concepts …ucture:** ```json theme={null} { "uri": "file:///Users/agent/travel-planning", "name": "Travel Planning Workspace" } ``` Roots are exclusively filesystem paths and always use the `file://` URI s…

Versioning Model Context Protocol · in the page docs/2025-06-18/learn/versioning …erability. ## Revisions Revisions may be marked as: * **Draft**: in-progress specifications, not yet ready for consumption. * **Current**: the current protocol version, which is ready for use and m…

Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-06-18/tutorials/security/authorization …can use environment-based credentials or credentials provided by third-party libraries embedded directly in the MCP server instead. Because a STDIO-built MCP server runs locally, it has access to a ra…

Security Best Practices Model Context Protocol · in the page docs/2025-06-18/tutorials/security/security_best_practices …Problem Attackers can exploit MCP proxy servers that connect to third-party APIs, creating "[confused deputy](https://en.wikipedia.org/wiki/Confused_deputy_problem)" vulnerabilities. This attack allo…

Build an MCP client Model Context Protocol · in the page docs/2025-11-25/develop/build-client …h all MCP servers. In this tutorial, you'll learn how to build an LLM-powered chatbot client that connects to MCP servers. Before you begin, it helps to have gone through our [Build an MCP Server](/…

Build an MCP server Model Context Protocol · in the page docs/2025-11-25/develop/build-server …com/modelcontextprotocol/quickstart-resources/tree/main/weather-server-python) ### Prerequisite knowledge This quickstart assumes you have familiarity with: * Python * LLMs like Claude ### Logging…

Build with Agent Skills Model Context Protocol · in the page docs/2025-11-25/develop/build-with-agent-skills …as the [`mcp-server-dev` plugin](https://github.com/anthropics/claude-plugins-official/tree/main/plugins/mcp-server-dev). It provides three composing skills: | Skill | Purpose | | - | - | | `build-m…

Connect to remote MCP Servers Model Context Protocol · in the page docs/2025-11-25/develop/connect-remote-servers …ing-started-with-custom-connectors-using-remote-mcp) provided by third-party developers * [Build your own remote MCP servers to connect with any tool](/docs/2025-11-25/develop/build-server.md) ## Con…

Architecture overview Model Context Protocol · in the page docs/2025-11-25/learn/architecture …most developers will likely find the [data layer protocol](#data-layer-protocol) section to be the most useful. It discusses how MCP servers can provide context to an AI application. For specific imp…

Understanding MCP clients Model Context Protocol · in the page docs/2025-11-25/learn/client-concepts …ucture:** ```json theme={null} { "uri": "file:///Users/agent/travel-planning", "name": "Travel Planning Workspace" } ``` Roots are exclusively filesystem paths and always use the `file://` URI s…

Versioning Model Context Protocol · in the page docs/2025-11-25/learn/versioning …erability. ## Revisions Revisions may be marked as: * **Draft**: in-progress specifications, not yet ready for consumption. * **Current**: the current protocol version, which is ready for use and m…

Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-11-25/tutorials/security/authorization …can use environment-based credentials or credentials provided by third-party libraries embedded directly in the MCP server instead. Because a STDIO-built MCP server runs locally, it has access to a ra…

Security Best Practices Model Context Protocol · in the page docs/2025-11-25/tutorials/security/security_best_practices …Problem Attackers can exploit MCP proxy servers that connect to third-party APIs, creating "[confused deputy](https://en.wikipedia.org/wiki/Confused_deputy_problem)" vulnerabilities. This attack allo…

Build an MCP client Model Context Protocol · in the page docs/2026-07-28/develop/build-client …h all MCP servers. In this tutorial, you'll learn how to build an LLM-powered chatbot client that connects to MCP servers. Before you begin, it helps to have gone through our [Build an MCP Server](/…

Build an MCP server Model Context Protocol · in the page docs/2026-07-28/develop/build-server …com/modelcontextprotocol/quickstart-resources/tree/main/weather-server-python) ### Prerequisite knowledge This quickstart assumes you have familiarity with: * Python * LLMs like Claude ### Logging…

Build with Agent Skills Model Context Protocol · in the page docs/2026-07-28/develop/build-with-agent-skills …as the [`mcp-server-dev` plugin](https://github.com/anthropics/claude-plugins-official/tree/main/plugins/mcp-server-dev). It provides three composing skills: | Skill | Purpose | | - | - | | `build-m…

Connect to remote MCP Servers Model Context Protocol · in the page docs/2026-07-28/develop/connect-remote-servers …ing-started-with-custom-connectors-using-remote-mcp) provided by third-party developers * [Build your own remote MCP servers to connect with any tool](/docs/2026-07-28/develop/build-server.md) ## Con…

Architecture overview Model Context Protocol · in the page docs/2026-07-28/learn/architecture …most developers will likely find the [data layer protocol](#data-layer-protocol) section to be the most useful. It discusses how MCP servers can provide context to an AI application. For specific imp…

Understanding MCP clients Model Context Protocol · in the page docs/2026-07-28/learn/client-concepts …is mode suitable for sensitive flows such as credential entry or third-party OAuth authorization. Elicitation follows the [Multi Round-Trip Requests](/specification/2026-07-28/basic/patterns/mrtr.md)…

Versioning Model Context Protocol · in the page docs/2026-07-28/learn/versioning …erability. ## Revisions Revisions may be marked as: * **Draft**: in-progress specifications, not yet ready for consumption. * **Current**: the current protocol version, which is ready for use and m…

Authorization Model Context Protocol · in the page docs/2026-07-28/tools/inspector/authorization …ack port to it, or complete the login in a web Inspector instead: > `--print-handoff` (below) prints a `portForwardCmd` for the web Inspector's > ports. > [!NOTE] > > Redirect URIs must match your re…

Configuration and flags Model Context Protocol · in the page docs/2026-07-28/tools/inspector/configuration …b client is stricter in one respect: it also rejects `--header` and `--protocol-era` alongside a file, where the CLI and TUI apply them on top of the file's settings. > [!NOTE] > > **What a freshly s…

mcpdo connection client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/mcpdo …same package, so install the package globally, or run it through `npx -p`: ```bash theme={null} npm install -g @modelcontextprotocol/inspector mcpdo --help # or without installing npx -p @modelconte…

Protocol eras Model Context Protocol · in the page docs/2026-07-28/tools/inspector/protocol-eras …lEra` field; the CLI and TUI read it from that same file, and their `--protocol-era <legacy|auto|modern>` flag overrides it for a single run. | Era | What the Inspector does at connect | | - | - | |…

Recipes Model Context Protocol · in the page docs/2026-07-28/tools/inspector/recipes …e 2026-07-28 behavior. For an ad-hoc target, pass it at launch with `--protocol-era legacy|auto|modern`. ## Importing an existing client config On the Servers screen, **Add Servers** can import MCP…

Security Model Context Protocol · in the page docs/2026-07-28/tools/inspector/security …container the Inspector must bind `0.0.0.0` to be reachable through `-p`, so the image sets `DANGEROUSLY_BIND_ALL_INTERFACES=true`. That opt-in governs the **container's** interfaces, not the host's.…

TUI client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/tui …gs) (`--server-url`, `--transport`, `--header`, `-e`, `--cwd`) plus `--protocol-era` for an ad-hoc server, and the [OAuth client flags](/docs/2026-07-28/tools/inspector/configuration.md#cli-and-tui-oa…

Web client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/web …Inspector The web client is the Inspector's richest surface: a single-page app backed by a small Node server that owns the actual MCP connections. It is the default mode, so `npx @modelcontextprotoco…

Understanding Authorization in MCP Model Context Protocol · in the page docs/2026-07-28/tutorials/security/authorization …can use environment-based credentials or credentials provided by third-party libraries embedded directly in the MCP server instead. Because a STDIO-built MCP server runs locally, it has access to a ra…

Local Server Security Model Context Protocol · in the page docs/2026-07-28/tutorials/security/local-server-security …The mitigations below therefore follow one principle: **treat a third-party local server as untrusted code with exactly the privileges you hand it — and hand it as few as possible.** Vetting reduces…

Security Best Practices Model Context Protocol · in the page docs/2026-07-28/tutorials/security/security_best_practices …Problem Attackers can exploit MCP proxy servers that connect to third-party APIs, creating "[confused deputy](https://en.wikipedia.org/wiki/Confused_deputy_problem)" vulnerabilities. This attack allo…

Build an MCP client Model Context Protocol · in the page docs/draft/develop/build-client …h all MCP servers. In this tutorial, you'll learn how to build an LLM-powered chatbot client that connects to MCP servers. Before you begin, it helps to have gone through our [Build an MCP Server](/…

Build an MCP server Model Context Protocol · in the page docs/draft/develop/build-server …com/modelcontextprotocol/quickstart-resources/tree/main/weather-server-python) ### Prerequisite knowledge This quickstart assumes you have familiarity with: * Python * LLMs like Claude ### Logging…

Build with Agent Skills Model Context Protocol · in the page docs/draft/develop/build-with-agent-skills …as the [`mcp-server-dev` plugin](https://github.com/anthropics/claude-plugins-official/tree/main/plugins/mcp-server-dev). It provides three composing skills: | Skill | Purpose | | - | - | | `build-m…

Connect to remote MCP Servers Model Context Protocol · in the page docs/draft/develop/connect-remote-servers …ing-started-with-custom-connectors-using-remote-mcp) provided by third-party developers * [Build your own remote MCP servers to connect with any tool](/docs/draft/develop/build-server.md) ## Connecti…

Architecture overview Model Context Protocol · in the page docs/draft/learn/architecture …most developers will likely find the [data layer protocol](#data-layer-protocol) section to be the most useful. It discusses how MCP servers can provide context to an AI application. For specific imp…

Understanding MCP clients Model Context Protocol · in the page docs/draft/learn/client-concepts …is mode suitable for sensitive flows such as credential entry or third-party OAuth authorization. Elicitation follows the [Multi Round-Trip Requests](/specification/draft/basic/patterns/mrtr.md) (MRT…

Versioning Model Context Protocol · in the page docs/draft/learn/versioning …erability. ## Revisions Revisions may be marked as: * **Draft**: in-progress specifications, not yet ready for consumption. * **Current**: the current protocol version, which is ready for use and m…

Authorization Model Context Protocol · in the page docs/draft/tools/inspector/authorization …ack port to it, or complete the login in a web Inspector instead: > `--print-handoff` (below) prints a `portForwardCmd` for the web Inspector's > ports. > [!NOTE] > > Redirect URIs must match your re…

Configuration and flags Model Context Protocol · in the page docs/draft/tools/inspector/configuration …b client is stricter in one respect: it also rejects `--header` and `--protocol-era` alongside a file, where the CLI and TUI apply them on top of the file's settings. > [!NOTE] > > **What a freshly s…

mcpdo connection client Model Context Protocol · in the page docs/draft/tools/inspector/mcpdo …same package, so install the package globally, or run it through `npx -p`: ```bash theme={null} npm install -g @modelcontextprotocol/inspector mcpdo --help # or without installing npx -p @modelconte…

Protocol eras Model Context Protocol · in the page docs/draft/tools/inspector/protocol-eras …lEra` field; the CLI and TUI read it from that same file, and their `--protocol-era <legacy|auto|modern>` flag overrides it for a single run. | Era | What the Inspector does at connect | | - | - | |…

Recipes Model Context Protocol · in the page docs/draft/tools/inspector/recipes …e 2026-07-28 behavior. For an ad-hoc target, pass it at launch with `--protocol-era legacy|auto|modern`. ## Importing an existing client config On the Servers screen, **Add Servers** can import MCP…

Security Model Context Protocol · in the page docs/draft/tools/inspector/security …container the Inspector must bind `0.0.0.0` to be reachable through `-p`, so the image sets `DANGEROUSLY_BIND_ALL_INTERFACES=true`. That opt-in governs the **container's** interfaces, not the host's.…

TUI client Model Context Protocol · in the page docs/draft/tools/inspector/tui …gs) (`--server-url`, `--transport`, `--header`, `-e`, `--cwd`) plus `--protocol-era` for an ad-hoc server, and the [OAuth client flags](/docs/draft/tools/inspector/configuration.md#cli-and-tui-oauth-c…