#content-area {
  h5 {
    font-weight: 500;
  }

  h6 {
    font-weight: 400;
  }
}

#feature-support-matrix-wrapper {
  overflow-x: auto;
}

#feature-support-matrix-wrapper table {
  min-width: 800px;
}

/*** Add automatic section numbers to headings and table of contents items ***/

#enable-section-numbers {
  display: none;
}

body:has(#enable-section-numbers) {
  #content-area,
  #table-of-contents {
    counter-reset: h2-counter h3-counter h4-counter h5-counter h6-counter;
  }

  #content-area h2[id],
  #table-of-contents li[data-depth="0"] {
    counter-set: h3-counter h4-counter h5-counter h6-counter;
  }

  #content-area h3[id],
  #table-of-contents li[data-depth="1"] {
    counter-set: h4-counter h5-counter h6-counter;
  }

  #content-area h4[id],
  #table-of-contents li[data-depth="2"] {
    counter-set: h5-counter h6-counter;
  }

  #content-area h5[id],
  #content-area h5,
  #table-of-contents li[data-depth="3"] {
    counter-set: h6-counter;
  }

  #content-area h2[id]::before,
  #table-of-contents li[data-depth="0"] a::before {
    counter-increment: h2-counter;
    content: counter(h2-counter) ". ";
  }

  #content-area h3[id]::before,
  #table-of-contents li[data-depth="1"] a::before {
    counter-increment: h3-counter;
    content: counter(h2-counter) "." counter(h3-counter) " ";
  }

  #content-area h4[id]::before,
  #table-of-contents li[data-depth="2"] a::before {
    counter-increment: h4-counter;
    content: counter(h2-counter) "." counter(h3-counter) "." counter(h4-counter)
      " ";
  }

  #content-area h5[id]::before,
  #content-area h5::before,
  #table-of-contents li[data-depth="3"] a::before {
    counter-increment: h5-counter;
    content: counter(h2-counter) "." counter(h3-counter) "." counter(h4-counter)
      "." counter(h5-counter) " ";
  }

  #content-area h6[id]::before,
  #content-area h6::before,
  #table-of-contents li[data-depth="4"] a::before {
    counter-increment: h6-counter;
    content: counter(h2-counter) "." counter(h3-counter) "." counter(h4-counter)
      "." counter(h5-counter) "." counter(h6-counter) " ";
  }
}


Major changes

Other schema changes

Full changelog

Key Changes

Model Context Protocol

Get started with the Model Context Protocol (MCP)

Introduction

Explaining MCP and why it matters in simple terms

FAQs

Specification

Architecture

Versioning

Our plans for evolving Model Context Protocol

Roadmap

How to participate in Model Context Protocol development

Contributing

C# SDK

Java SDK

Kotlin SDK

Python SDK

Ruby SDK

Swift SDK

TypeScript SDK

Get started building your own server to use in Claude for Desktop and other clients.

For Server Developers

Get started building your own client that can integrate with all MCP servers.

For Client Developers

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For Claude Desktop Users

A list of example servers and implementations

Example Servers

A list of applications that support MCP integrations

Example Clients

Speed up your MCP development using LLMs such as Claude!

Building MCP with LLMs

A comprehensive guide to debugging Model Context Protocol (MCP) integrations

Debugging

In-depth guide to using the MCP Inspector for testing and debugging Model Context Protocol servers

Inspector

Understand how MCP connects clients, servers, and LLMs

Core architecture

Expose data and content from your servers to LLMs

Resources

Create reusable prompt templates and workflows

Prompts

Enable LLMs to perform actions through your server

Tools

Let your servers request completions from LLMs

Sampling

Roots

Learn about MCP's communication mechanisms

Transports

The latest updates and improvements to MCP

What's New

Our plans for evolving Model Context Protocol (H1 2025)

User Guide

Protocol

Development

SDKs

Key Changes

Major changes

Other schema changes

Full changelog

User Guide

Protocol

Development

SDKs

​Major changes

​Other schema changes

​Full changelog

Major changes

Other schema changes

Full changelog