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Quick start

Run the command in your terminal 
npx @mcpjam/inspector@latest
After installing the package, you should see a link to localhost. Open that link up to see the inspector. If you don’t have Node.js installed, check out our desktop app.

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Connect to your first MCP server

Click on “Add server” and connect to your first MCP server 
npx -y @modelcontextprotocol/server-everything
Server everything demo
Once you hit submit, you should see the connection status as “Connected”. This page is your server connections page. You can connect to multiple MCP servers simulatenously on MCPJam.
@modelcontextprotocol/server-everything is the example server from Anthropic

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Test an MCP tool

Go to the “Tools” tab. You’ll be able to see all of the MCP tools server-everything has. Tools tab lets you test individual tools with configured params. Try testing out the add tool and set params for a and b. Upon hitting “Execute”, you should see the tool’s return value on the bottom.
Add tool demo

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Try other features

Hope this showed you the basics of the inspector. Explore additional parts of the inspector:
  • Advanced server connections (HTTP/SSE, STDIO, Auth)
  • LLM playground
  • Prompts testing
  • Resources testing
  • Tracing
  • Elicitation
  • Evals (CLI)