///// Free tools
MCP Inspector
See your MCP server the way an agent finds it from outside: discovery, server card, identity and the sign-in challenge.
mcp-well-known-discoveryUNRESOLVEDmcp-server-cardUNRESOLVEDmcp-server-identityUNRESOLVEDmcp-serverUNRESOLVEDagent-auth-www-authenticateUNRESOLVED
example.com has no MCP server, so these stay unresolved. See the sample report
Run it now
From any terminal, with Node.js. Nothing to install on your server and no account.
Run it here
See a sample report from a real scan of example.com.
What it checks
mcp-well-known-discoveryWhether agents can find your MCP server from your domain, through /.well-known discovery files and server cards.mcp-server-cardWhether each MCP server has a server card that says what it is and where to connect.mcp-server-identityWhether your MCP server gives its name, version and instructions when a client connects.mcp-serverWhether your product offers a Model Context Protocol server.agent-auth-www-authenticateThe first step of sign-in: whether an anonymous request to your server gets a 401 with a WWW-Authenticate header that points to your protected-resource metadata.