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Reference

Everything

Reference and test server exercising every MCP feature, including prompts, resources, tools, and sampling, for client developers.

Installnpx -y @modelcontextprotocol/server-everything
The Everything MCP server is a reference and test server that demonstrates the full range of MCP protocol features. It is primarily useful for developers building and testing MCP clients. ## Capabilities - Exercises prompts, resources, and tools - Demonstrates sampling and logging - Useful as a conformance and integration test target ## Usage ```json { "mcpServers": { "everything": { "command": "npx", "args": ["-y", "@modelcontextprotocol/server-everything"] } } } ```