kestrel for Claude Code

dev.workers.perch-app.kestrel/kestrel

Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.

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

Install kestrel in Claude Code

run in your project directory

claude mcp add --transport http kestrel https://kestrel.perch-app.workers.dev/mcp

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