Reference/test server that implements prompts, tools, resources, sampling, elicitation, logging and more. Intended for developers building and testing MCP clients rather than end users.
Connect
- 1Add the server to Codex
codex mcp add everything -- npx -y @modelcontextprotocol/server-everything
Configs are generated from the publisher's documented endpoint. Check their docs for plan requirements and scopes. New to this? Read the step-by-step tutorial.
Tools 12
echoget-sumget-tiny-imageget-annotated-messageget-envget-resource-linksget-structured-contenttrigger-long-running-operationtrigger-sampling-requesttrigger-elicitation-requesttoggle-simulated-logginggzip-file-as-resourceThings to ask
- “Echo back 'hello world' using the echo tool”
- “Add 7 and 35 with get-sum”
- “Trigger a sampling request to test my client”
- “Start a long-running operation and show progress”