MCP Echo Server

@Hinaser

About MCP Echo Server

The minimal mcp server sample for learning

Basic information

Category

Other

Runtime

python

Transports

stdio

Publisher

Hinaser

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-sample-hinaser": {
      "command": "uv",
      "args": [
        "pip",
        "install",
        "-e",
        "."
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Echo Server?

A simple Model Context Protocol (MCP) server that echoes input back as-is. It is intended for testing, debugging, or demonstration of MCP tool calls.

How to use MCP Echo Server?

Install with pip install -e . or uv pip install -e ., then run directly with python src/echo_server.py. For Claude Desktop, add the server to the mcpServers configuration with the command python and the path to echo_server.py.

Key features of MCP Echo Server

Single tool: echo(message: str) -> str
Returns the input message unchanged
Installed via pip or uv
Runs standalone or inside Claude Desktop
Minimal and lightweight MCP server

Use cases of MCP Echo Server

Testing MCP client implementations
Demonstrating basic tool invocation
Debugging message passing in MCP

FAQ from MCP Echo Server

What tools are available?

Only one tool: echo(message: str) -> str, which returns the input string unchanged.

How do I run the server?

Run python src/echo_server.py from the project root, or configure it in Claude Desktop’s mcpServers block.

What are the installation methods?

Install via pip install -e . or uv pip install -e ..

What dependencies or runtime are required?

—

Is there authentication or transport configuration?

—

Comments

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