MCP Servers / development / Everything MCP Server

Everything MCP Server

stdiononedevelopment

A test server that demonstrates all features of the MCP protocol, including prompts, tools, resources, and sampling.

Install

How to run this server

[ { "cmd": "npx @modelcontextprotocol/server-everything", "imports": [] } ]

server path: everything-mcp-server

Tools

What this server exposes

echo

Simple tool to echo back input messages

add

Adds two numbers together

longRunningOperation

Demonstrates progress notifications for long operations

sampleLLM

Demonstrates LLM sampling capability using MCP sampling feature

getTinyImage

Returns a small test image

printEnv

Prints all environment variables

annotatedMessage

Demonstrates how annotations can be used to provide metadata about content

getResourceReference

Returns a resource reference that can be used by MCP clients

Configuration

Environment & auth

authnone

Resources