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Everything (reference) MCP server

Test server from the MCP maintainers that exercises prompts, resources and tools; useful for checking a client.

Transport	stdio (local, npm)
Auth / credentials	None (runs locally)
Registry name	Not in official registry (listed from source repo)
Source code	https://github.com/modelcontextprotocol/servers/tree/main/src/everything
Data source	modelcontextprotocol/servers (reference servers)
Date checked	2026-10-17

Before connecting, read the vendor's own docs and review what each tool can change. Remote endpoints can be checked read-only in our tester.

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