Inspector
Inspector is a developer tool that tests and debugs MCP servers through a web UI, CLI, or terminal UI for developers building agent connectors.
What it is good for
- Testing whether an MCP server's tools respond correctly
- Debugging a connector before an AI app uses it
- Running scripted checks of an MCP server in automated pipelines
- Viewing an MCP server's tools, resources, and prompts in a browser
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Other
- Tasks
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 11,211
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Inspector free?
- Yes. It is free and open source.
- Do I need to know how to code to use Inspector?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What is Inspector good for?
- Testing whether an MCP server's tools respond correctly, debugging a connector before an AI app uses it, running scripted checks of an MCP server in automated pipelines, and viewing an MCP server's tools, resources, and prompts in a browser.
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