{"name":"Everything MCP","tagline":"Official everything MCP — a test server that exercises the protocol, not a tool you run.","url":"https://github.com/modelcontextprotocol/servers/tree/main/src/everything","category":"mcp","pricing":"free","price_note":"MIT reference; npx -y @modelcontextprotocol/server-everything","free_tier":true,"open_source":true,"api":false,"self_host":true,"verdict":"skip","verdict_text":"A protocol gym: prompts, tools, resources, sampling. The official README says it is not intended to be a useful server. Putting it in mcp.json burns context on a test fixture. Keep it off production hosts.","limitations":["Official README: not intended to be a useful server, but rather a test server.","Exercises prompts, resources, sampling — easy to dump a large catalog into context.","Lives in the reference-servers repo; no product, no support desk."],"strengths":["Official reference that hits every MCP primitive in one process.","npx @modelcontextprotocol/server-everything, also a Docker image mcp/everything."],"use_for":["Building or debugging an MCP client, not doing product work.","A conformance check that the host actually speaks prompts and sampling."],"skip_when":["You wanted a kitchen-sink of real tools — this is a test double, not a gateway.","The agent session is billed per token; this server is noisy on purpose.","You copied it from a tutorial into a working mcp.json."],"receipts":["https://github.com/modelcontextprotocol/servers/tree/main/src/everything"],"affiliate":"none","evidence_tier":"source-verified","momentum":"redshift","featured":false,"data_sensitivity":{"trains_on_inputs":"unknown","local_processing":true},"last_verified":"2026-08-26","observed_by":"whysanesanders","slug":"everything-mcp","canonical_url":"https://noemium.com/tools/everything-mcp/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}