Free MCP directory check
Will ChatGPT and Claude accept your MCP server?
Paste your server’s address and see, in seconds, what each directory’s reviewers would flag first.
mcp.example.com/mcp
Example
- Signed-out requests get 401 with sign-in metadataPassed
- PKCE with S256Passed
- Every tool says whether it is read-only or destructive · 3 toolsFailed
- OpenAI domain verification fileFailed
- Descriptions explain purpose, result and when to use the toolWarning
How it works
A reviewer’s first pass, in seconds
- Connect, signed outAn MCP initialize request, like an AI app’s first contact.
- Read what’s publicYour tool list, OAuth metadata and domain file. No tool is ever called.
- Check against both directoriesSee what passes and fails for each. A free account adds the fix and the published rule.
Questions
Before you run it
Get listed without the back-and-forth
Transica builds your MCP app, fixes what the directories flag and hosts it on your own domain. Read the ChatGPT and Claude guides for the full rules.