Subdomain Finder MCP for Claude Code

io.github.theluckystrike/subdomain-finder-mcp

Passive subdomain enumeration from certificate transparency (certspotter, crt.sh) with DNS checks.

client:Claude Code transport:streamable-http tools:4

Install Subdomain Finder MCP in Claude Code

run in your project directory

claude mcp add --transport http subdomain-finder-mcp https://subdomain-finder-mcp.lipmichal.workers.dev/mcp

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