chrishayuk/mcp-cli

Overview

chrishayuk/mcp-cli is a Python command-line tool for testing Model Context Protocol (MCP) servers. It provides a simple interface to send requests and inspect responses from MCP endpoints. The tool is open source and hosted on GitHub.

Best for

Best for
Developers building or maintaining MCP servers who need a lightweight testing tool

Use cases

• Verifying that an MCP server responds correctly to queries
• Debugging MCP protocol interactions during development
• Quickly testing MCP server compliance with the specification

How to use

Install

uvx mcp-cli --help

Tested with

Cursor, ChatGPT

Notes

chrishayuk/mcp-cli is a Python command-line tool for testing Model Context Protocol (MCP) servers. It provides a simple interface to send requests and inspect responses from MCP endpoints. The tool is open source and hosted on GitHub.

1,978 stars on GitHub. Last updated 2026-05-21. Licensed Apache-2.0.

Use cases

• Verifying that an MCP server responds correctly to queries
• Debugging MCP protocol interactions during development
• Quickly testing MCP server compliance with the specification

Pros

• Simple CLI reduces friction for quick tests
• Open source with visible code and community contributions
• Lightweight Python dependency for easy integration into workflows

Cons

• Limited to testing MCP servers only
• No graphical interface for visualizing interactions
• Relatively new project with evolving feature set

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.