mcp-everything
MCP test server showcasing all protocol features. mcp-everything is a Model Context Protocol (MCP) server maintained by s2005. It connects to MCP-compatible clients such as Claude Desktop, Cursor, Cline, and other agents that speak the protocol. It exposes 7 tools, including echo, add, longRunningOperation, sampleLLM, getTinyImage, printEnv and annotatedMessage, that an agent can call directly. It is categorized under Tool/Server and AI/Testing.
What is this MCP
This is a test implementation of Model Context Protocol (MCP) designed to showcase all protocol features including prompts, tools, resources, and sampling. It serves as a reference for MCP client developers.
How to use this MCP
Install via npm (locally or globally) or Docker, then integrate with MCP-compatible clients like Claude Desktop by adding configuration toclaude_desktop_config.json.
What this MCP can be used for
Primarily for testing MCP client implementations, demonstrating protocol capabilities, and providing reference examples of tools, resources, and prompt handling in MCP.
AIMCP authority
DR and traffic signal for the AIMCP public domain.
Frequently asked questions
What is the mcp-everything MCP server?
mcp-everything is a Model Context Protocol server from s2005. It lets MCP-compatible AI clients call its tools over a standard interface, so agents like Claude, Cursor, and Cline can use it without custom integration.
How do I connect mcp-everything to my AI client?
Add mcp-everything to your client's MCP configuration using the stdio or SSE connection shown in the usage examples on this page, then restart the client to load the server.
What tools does mcp-everything provide?
mcp-everything provides 7 tools: echo, add, longRunningOperation, sampleLLM, getTinyImage, printEnv and annotatedMessage.
Is mcp-everything free to use?
mcp-everything is listed on AIMCP for free. Any API keys or accounts required by the underlying service are set by its provider.
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