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inspector
Visual testing tool for MCP servers
10.1kstars
1.4kforks
TypeScript
Quality signals
ActiveNo testsNo CIThin docsNo licensePopular
AI summary
Auto-generated overview of what this skill does and when to reach for it.
Browser-based tool for testing and debugging MCP servers with a React UI and Node proxy.
Use this when
- Testing a new MCP server before deployment
- Debugging unexpected server behavior or responses
- Validating server compliance with MCP protocol
- Inspecting server logs and message flows in real-time
- Exporting server configs for use in other MCP clients
Don't use when
- Need to inspect network traffic between MCP clients and servers
- Debugging non-MCP servers or APIs
- Running in production environments without authentication
Capabilities
- Interactive web UI for sending and receiving MCP messages
- Supports stdio, SSE, and streamable-http transport protocols
- Real-time log viewer for server output and errors
- Export server configs as mcp.json for reuse
- Bearer token authentication for SSE connections
- Proxy server with session token protection
InstallMCPRun via npx (Node)
Universal installANY TOOL
$ npx skillcity@latest modelcontextprotocol/inspectorAuto-detects the skill or MCP server in this repo and installs it for Claude Code, Codex, Cursor or Cline.
Requires Node.js 18+ (ships with npx).
Or install manually
npx -y inspector
MCP Configuration
Add this to your claude_desktop_config.json
{
"mcpServers": {
"inspector": {
"command": "npx",
"args": [
"-y",
"inspector"
]
}
}
}Loading README…
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