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mcp/harbor
Verified official

Subdomain API MCP

v1.0.1

app.subdomain/subdomains

Find known subdomains of a domain. Passive data; may include historic entries. List or count.

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http subdomains https://api.subdomain.app/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.