Methodology
UCP
ia.ucp · 4.14
Act
MAY
Recommendation
AR-ACT-08
AR-READ-06
Why it matters
Universal Commerce Profile (UCP) at /.well-known/ucp publishes a machine-readable profile of a merchant's commerce capabilities so agents can negotiate purchases.
How to fix it
Serve a Universal Commerce Profile at /.well-known/ucp.
-
Describe the commerce capabilities, payment handlers and endpoints in the profile.
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Serve the profile as JSON with HTTP 200.
Verify
curl -sf https://{domain}/.well-known/ucp | jq -e 'type == "object"'
Expected: exit code 0
Run a new scan for this checkpoint:
isagentready results {domain} --checkpoint ia.ucp
Details Mapping, lifecycle and references
- AR mapping
- Partial match
- Evidence source
- agentready.org AR-ACT-08
- Score role
- Informational
- Introduced
- 2026-08-24
- Methodology version
- 2026-10-22