# MCP Inspector

Visual testing and debugging tool for MCP servers. MCP Inspector is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** CLI, Self-hosted
- **Works in browser:** No

## Capabilities

- Visual testing and debugging tool for MCP servers
- Call tools, browse resources and view logs interactively
- Runs locally via npx

## FAQ

### What is MCP Inspector?

MCP Inspector is listed under MCP Ecosystem, in the AI Agents & Automation category on Flocci AI Tools. Visual testing and debugging tool for MCP servers. It is free, with no paid plan attached, and it lives at github.com.

### Is MCP Inspector free?

MCP Inspector is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use MCP Inspector in a browser, or is there an app?

MCP Inspector needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on the command line and self-hosting.

### What can MCP Inspector do?

MCP Inspector does 3 things the catalog singles out: Visual testing and debugging tool for mcp servers; call tools, browse resources and view logs interactively; runs locally via npx.

### What is the best free alternative to MCP Inspector?

MCP Registry (Official) is the closest free alternative: it sits in the same MCP Ecosystem sub-category and is free. Agent2Agent (A2A) Protocol, FastMCP and GitHub MCP Server also start free. The full list is on the alternatives page.

## Related

- [MCP Inspector alternatives](https://aitools.flocci.in/alternatives/mcp-inspector)
- [MCP Ecosystem](https://aitools.flocci.in/category/ai-agents-automation/mcp-ecosystem)
- [Best free MCP servers, registries and toolkits](https://aitools.flocci.in/best/best-mcp-ecosystem)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/mcp-inspector

Facts last verified: October 2026