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everything

A test server that exercises the MCP protocol's features: prompts, tools, resources and sampling. Built for client developers, not for daily use.

Kind
MCP server
Works with
Any agent
Source
MCP Reference Servers @ 51b6382a3e82
Path
src/everything/README.md
License
Apache-2.0
Jobs
Testing
InstallAdd it as an MCP server.
npx -y @modelcontextprotocol/server-everything
# Everything MCP Server

**[Architecture](docs/architecture.md)
| [Project Structure](docs/structure.md)
| [Startup Process](docs/startup.md)
| [Server Features](docs/features.md)
| [Extension Points](docs/extension.md)
| [How It Works](docs/how-it-works.md)**

This MCP server attempts to exercise all the features of the MCP protocol. It is not intended to be a useful server, but rather a test server for builders of MCP clients. It implements prompts, tools, resources, sampling, and more to showcase MCP capabilities.

## Tools, Resources, Prompts, and Other Features

A complete list of the registered MCP primitives and other protocol features demonstrated can be found in the [Server Features](docs/features.md) document.

## Protocol versions

The server serves both protocol eras, over stdio and Streamable HTTP, from one process:
…