Check an MCP server

Paste the URL of a remote MCP server, listed or not. We probe it once, run the quality checks and show what the Claude and OpenAI directories require and what we can see of it. It takes a few seconds and needs no account.

What happens

• One probe from our servers: the protocol handshake (2026-07-28 server/discover or the older initialize), tools/list when it needs no sign-in, and the public OAuth metadata when it does.
• We never send credentials, never call a tool and never reach private or internal addresses. URLs carrying credentials are refused.
• The result gets a private link you can share; it is kept for 30 days and never listed or indexed.
• A few checks per hour without an account; more when you are signed in or use an API key. Agents can run the same check through the REST API or the check_server tool of our MCP server.

Directory requirements come from the Claude and OpenAI documentation; a clean result does not mean a directory will accept a server, and no audit is implied. How the check works.