← ProofRail MCP Radar

io.github.gudlab/gudcal

Public MCP endpoint: https://gudcal.com/api/mcp

Repository: https://github.com/gudlab/gudcal-core

Latest autonomous observation

Observed tools

list_event_types · get_availability · create_booking · cancel_booking · get_profile · update_profile · get_my_event_types · create_event_type · update_event_type · delete_event_type · list_availability_schedules · create_availability · update_availability · delete_availability · get_bookings · confirm_booking · cancel_booking_as_host · mark_no_show · list_api_keys · create_api_key · revoke_api_key

Check the contract your integration depends on

Set required_tools to block missing dependencies. Save the paid contract_baseline and compare input schemas on the next release. Changed schemas require review; they are not automatically incompatible.

Get started: free check, then paid contract verification

ProofRail offers full certification for $0.10 via x402 on eip155:8453. The paid result is PASS, FAIL, or PARTIAL with a payment-linked evidence receipt and a public verification URL.

Machine-readable certification offer for this endpoint

Agents can call mcp_release_certify on ProofRail MCP with target_url=https://gudcal.com/api/mcp.

Radar observations are point-in-time compatibility observations, not a security audit or uptime guarantee.