MCP Inspector
Supports UIby rolaca11
A high-performance MCP client for inspecting servers, testing tools, and rendering interactive MCP Apps.
What it does
MCP Inspector is a developer-centric client designed to debug and interact with Model Context Protocol (MCP) servers. It provides a professional GUI to explore server capabilities, call tools with rich forms, and query resources with real-time completion.
Key features
- Interactive MCP App Support: Fully implements SEP-1865, rendering interactive UIs in sandboxed iframes.
- Advanced Tool Testing: Call tools using rich input forms and a JSON editor with approximate token counting.
- Resource Exploration: Query dynamic resources without cache and view embedded UI resources inline.
- Automated Testing: Includes a Postman-style test runner (
mcp-inspector test) for declarative server evaluation. - Flexible Deployment: Available as a native Electron desktop app or a browser-based server-client setup.
Installation
- Web/CLI: Run
npx @rolaca11/mcp-inspector serveto launch the browser-based inspector. - Desktop: Download the latest release from the GitHub releases page.
Supported hosts
claude
Quick install
npx @rolaca11/mcp-inspector serveInformation
- Pricing
- free
- Published
- 7/19/2026
- stars
- 0
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