certspotter mcp for Claude Code

io.github.mrfentmen/certspotter-mcp

Certificate transparency lookups from Cert Spotter. No key required.

client:Claude Code transport:stdio runtime:npm

Install certspotter mcp in Claude Code

run in your project directory

claude mcp add certspotter-mcp -- npx -y certspotter-mcp

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