Quick Start
Start up the MCPJam inspector with a bash commandStart MCPJam Inspector
Start testing your MCP servers immediately
MCPJam Inspector can
- Test your MCP tools, prompts, and resources. Manually trigger your server features to quickly iterate on its development.
- Validate your OAuth 2 implementation with the OAuth step by step feature.
- Check your MCP server’s behavior against different LLM’s in the LLM playground. Simulate how your server would behave in environments like Claude, ChatGPT, Gemini, and more.
- Debug JSON-RPC messages sent back and forth between your server and client.
Key features
| Capability | Description |
|---|---|
| Multi-protocol servers | Connect to STDIO, SSE, and streamable HTTP MCP servers. |
| Flexible auth | Supports OAuth 2.1 and bearer tokens, including custom scopes and client credentials. |
| Rich configuration | Configure environment variables, custom headers, and timeouts. |
| Manual tool invocation | Manually invoke MCP tools, resources, resource templates, and elicitation flows. |
| Server info | View server icons, version, capabilities, instructions, and ChatGPT widget metadata exposed by the server. |
| LLM playground | Integrated chat playground with OpenAI, Anthropic Claude, and Ollama model support. Test how your MCP server would behave against an LLM |
| Debugging | Comprehensive logging, tracing, and error reporting for MCP server development |
| Developer experience | Connect to multiple MCP servers. Save configurations. Upgraded UI/UX for modern dev experience. |