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MCP Echo Server

@Hinaser

Repository

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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