Product / UX / Agent tools & protocols

MCP Python SDK

Official Python implementation of the Model Context Protocol for building MCP clients and servers that give LLMs standardized access to tools, resources, and prompts. Bundles the FastMCP high-level framework, stdio/SSE/Streamable-HTTP transports, structured (Pydantic) output, and OAuth 2.1 auth.

MIT (package 'mcp', author Anthropic PBC). ~23k stars; very actively released.

Openness

5 high confidence

5.0

license: MIT(OSI)
source: public
core-gated: ungated

Fully MIT reference SDK.

https://pypi.org/project/mcp/ recorded 2026-06-17
MIT, package 'mcp', author Anthropic PBC

Adoption

3 medium confidence

3.0

~23k stars; PyPI download volume not retrievable - stars_fallback (true usage likely higher as the reference SDK).

https://github.com/modelcontextprotocol/python-sdk recorded 2026-06-17
MIT, ~23.4k stars

Capability

5 high confidence

5.0

Most complete Python MCP toolkit.

https://github.com/modelcontextprotocol/python-sdk recorded 2026-06-17
feature set: client/server, transports, FastMCP, OAuth

Unchanged since 2026-07-30 (last edited, not re-checked)