Software2 hOctober 23, 2026, 21:10

Testing 750 MCP servers: only 57% actually work

A weekly audit of 750 entries from the official Model Context Protocol registry found just 431 servers (57%) working. SSE endpoints fared worst, with only 10 of 100 alive and 88 remote endpoints dead.

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Open source

Testing 750 MCP servers: only 57% actually work

npm: 218 of 300 working (73%), median handshake 563 ms
PyPI: 73 of 150 (49%), median handshake 1,581 ms
SSE: 10 of 100 (10%), 69 endpoints dead
92 servers need config, 47 crash on start

#MCP

mcp-cassette turns a recorded MCP session into an offline test server

Security

WARDEN tested against two MCP scanners on 986 real servers

Hardware

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Software

Testing 750 MCP servers: only 57% actually work

mcp-cassette turns a recorded MCP session into an offline test server

WARDEN tested against two MCP scanners on 986 real servers

Nvidia: AI data centers use only 60-70% of power for actual AI work

Concat is an open-source video editor with a built-in MCP server for AI agents