Servers
Create an HTTP, Azure, or stdio server, test it, and connect it to this tab.
OAuth sign-in
Browser sign-in for an HTTP MCP server, PKCE, and tokens that stay in memory.
Tools, resources, and prompts
Call a tool with flags, read a resource, fill a prompt, and cancel a long call.
The inspector
Capabilities, tools, resources, prompts, a JSON-RPC log, and ping.