wong2/mcp-cli
by Various
A CLI inspector for the Model Context Protocol
MCP
wong2/mcp-cli
Added 1 June 2026
Overview
A command-line tool for inspecting Model Context Protocol (MCP) communications. It displays MCP messages in a readable format, helping developers debug and understand protocol interactions.
Best for
Best for
Developers debugging or verifying MCP-based integrations
Use cases
- Debugging MCP server implementations
- Inspecting MCP client-server message flows
- Validating MCP protocol compliance
How to use
Install
npx @wong2/mcp-cliTested with
Claude Desktop
Notes
A command-line tool for inspecting Model Context Protocol (MCP) communications. It displays MCP messages in a readable format, helping developers debug and understand protocol interactions.
436 stars on GitHub. Last updated 2026-05-12. Licensed GPL-3.0.
Use cases
- Debugging MCP server implementations
- Inspecting MCP client-server message flows
- Validating MCP protocol compliance
Pros
- Simple CLI interface, no GUI overhead
- Open source with 436 stars indicates community trust
- Written in JavaScript, easy to extend or fork
Cons
- Text-only output; can be overwhelming with large message volumes
- No interactive features like filtering or stepping through messages
- Requires Node.js runtime and manual setup for custom servers
Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.
Pros
- Simple CLI interface, no GUI overhead
- Open source with 436 stars indicates community trust
- Written in JavaScript, easy to extend or fork
Cons
- Text-only output; can be overwhelming with large message volumes
- No interactive features like filtering or stepping through messages
- Requires Node.js runtime and manual setup for custom servers
Pairs with
Other entries in the index that connect to this one. Click through to see the chain.
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