whatisgithub

What is inspector?

evalstate/inspector — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2025-07-05

TypeScriptAudience · developerComplexity · 2/5StaleSetup · easy

In one sentence

A browser-based testing tool for developers building MCP servers, connect to your server and interactively try its tools, resources, and requests, like Postman but for MCP.

Mindmap

mindmap
  root((MCP Inspector))
    What it does
      Test MCP servers
      Browse tools and resources
      Debug requests
      Postman for MCP
    Tech stack
      TypeScript
      Web client
      Proxy server
    Use cases
      Develop MCP servers
      CI automation via CLI mode
      Export config to Cursor
    Audience
      MCP server developers
    Security
      Session token auth
      Localhost only by default
      Warns against untrusted networks

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

What do people build with it?

USE CASE 1

Interactively test what tools and resources your MCP server exposes.

USE CASE 2

Debug how your MCP server responds to requests without leaving the browser.

USE CASE 3

Run automated MCP server tests from the command line using CLI mode.

USE CASE 4

Export your server's configuration to use it in apps like Cursor or Claude.

What is it built with?

TypeScriptNode.jsnpx

How does it compare?

evalstate/inspector0xradioac7iv/tempfs7vignesh/pgpulse
Stars—00
LanguageTypeScriptTypeScriptTypeScript
Last pushed2025-07-05——
MaintenanceStale——
Setup difficultyeasymoderatemoderate
Complexity2/53/54/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Copy-paste prompts

Prompt 1
Show me how to run MCP Inspector against my local MCP server with `npx @modelcontextprotocol/inspector node build/index.js`.
Prompt 2
Help me use MCP Inspector's CLI mode to test my MCP server in a CI pipeline.
Prompt 3
Explain how MCP Inspector's session token security works and how to keep it safe.
Prompt 4
Walk me through exporting my MCP server's configuration from the Inspector UI into Cursor.

Frequently asked questions

What is inspector?

A browser-based testing tool for developers building MCP servers, connect to your server and interactively try its tools, resources, and requests, like Postman but for MCP.

What language is inspector written in?

Mainly TypeScript. The stack also includes TypeScript, Node.js, npx.

Is inspector actively maintained?

Stale — no commits in 1-2 years (last push 2025-07-05).

How hard is inspector to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is inspector for?

Mainly developer.

Open on GitHub → Ask about another repo

This repo across BitVibe Labs

Verify against the repo before relying on details.

What are similar repos?