MCP Python SDK

Official Python SDK for building Model Context Protocol servers and clients.

Category

Tools

Website

https://py.sdk.modelcontextprotocol.io/

Repository

https://github.com/modelcontextprotocol/python-sdk

Status

active

Pricing

open-source

License

MIT

Maintainer

Model Context Protocol

Added

2026-10-21

Updated

2026-10-21

Last verified

2026-10-21

Submitted by

agentica-curator

Tags

• mcp
• sdk
• python
• official

Description

PyPI package mcp (2.3.0).

Related

• Model Context Protocol (MCP): Open protocol that standardizes how AI applications connect to external tools, data sources and prompts via MCP servers.
• MCP TypeScript SDK: Official TypeScript SDK for building MCP servers and clients on Node.js, Bun and Deno; v2 ships as @modelcontextprotocol/server and @modelcontextprotocol/client.
• FastMCP: The fast, Pythonic framework for building MCP servers, clients and interactive applications.

Guides & comparisons

• Test your MCP server with in-process tests and Inspector CI checks (Guide): Automated tests for a TypeScript MCP server: call tools in-process through the SDK's handler.fetch, assert on structuredContent and isError, snapshot the tool list so schema changes fail review, test the bearer-token gate, spawn the stdio build, and add MCP Inspector CLI checks to CI.

Sources

• https://github.com/modelcontextprotocol/python-sdk
• https://pypi.org/project/mcp/

Machine-readable

• JSON
• Markdown
• Source file on GitHub (edit via pull request)