mcp-explorer is a CLI tool for listing, inspecting, and calling tools, prompts, and resources exposed by MCP servers over HTTP.

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7

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1

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License

Apache-2.0

Last updated

2026-07-29

Why it is worth attention

It provides a unified, developer-friendly command-line interface for interacting with MCP servers, supporting both stateless (MCP 2) and legacy protocols, with compact human-readable output and JSON options.

Who it is for

  • MCP server developers
  • CLI tool users and enthusiasts
  • AI agent developers who need to test MCP endpoints
  • DevOps engineers integrating MCP services

Use cases

  • Quickly list and inspect tools available from an MCP server
  • Call MCP tools with JSON arguments or named parameters
  • Check server protocol compatibility and metadata
  • Explore prompts and resources exposed by a server

Strengths

  • Supports both stateless (MCP 2) and legacy protocols via --stateless/--legacy flags
  • Flexible argument input: JSON string, -a key-value pairs, or stdin piping
  • Compact default output with optional --no-truncate and --json for full detail
  • Covers tools, prompts, resources, info, and doctor commands in one tool

Considerations

  • Only works with streamable HTTP MCP servers, not other transports
  • Requires users to be familiar with MCP concepts (tools, prompts, resources)
  • Documentation assumes command-line proficiency; no GUI or web interface

README quick start

Installation

Description

CLI tool for exploring an MCP server

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