MCP Python SDK

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The 2026-07-28 MCP Specification: Stateless Core, MRTR, Header-Based Routing
article2026-07-28
Tier 1 SDK updated to match the 2026-07-28 MCP specification, with migration notes for breaking changes
MCP Python SDK v2.2.0
repoIt is written here as MCP Python SDK (mcp).
Python package (pip install -U mcp) for building MCP clients and servers; this release changes redirect handling, session expiry, and OAuth issuer validation defaults

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Security

Top MCP security resources — October 2026
article2026-10-08
The 2026-07-28 MCP Specification: Stateless Core, MRTR, Header-Based Routing
article2026-07-28
The Vulnerable MCP Project — MCP vulnerability database
repo
MCP Python SDK v2.2.0
other
CVE-2026-52869: The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol (MCP)
advisoryIt is written here as MCP Python SDK (mcp on PyPI).

AI

The 2026-07-28 MCP Specification: Stateless Core, MRTR, Header-Based Routing
article2026-07-28
MCP Python SDK v2.2.0
repoIt is written here as MCP Python SDK (mcp).

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