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kestrel

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

likely compatible

Answered an MCP initialize with no credentials; use auth 'None'.

Rule R2a · what this means · Not tested in Copilot Studio.

Registry namedev.workers.perch-app.kestrel/kestrel
Endpoint used for verdicthttps://kestrel.perch-app.workers.dev/mcp
Transportsstreamable-http
Auth (Copilot Studio setting)None (open)
Last endpoint check2026-10-20T18:13:14Z · initialize OK
Websitehttps://kestrel.perch-app.workers.dev
Version1.0.0
Registry updated2026-09-22
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Is this wrong or out of date? Email us. Data built 2026-10-21.