Paste your product or checkout JSON payload and validate it deterministically against ACP (AP2 / FIDO Alliance) and UCP spec fields. Get a gap list, field-level fix checklist, and a conformance score — all client-side. Outputs a §4 hash-anchored OpenChainGraph artifact.
Copy this paragraph into Claude, OpenClaw, or any MCP-aware agent to run this exact tool, with this sample, and verify the artifact.
Run the AINumbers MCP tool `audit_acp_ucp_product_feed`. Task: Validate product/checkout/mandate JSON payloads against ACP or UCP field schemas (5 schema arrays).
Call it with arguments: {"policy_parameters":{"payload":{"product_id":"p-001","name":"Widget","price":9.99,"currency":"USD","merchant_id":"m-001"},"payload_type":"product","audit_target":"acp"}}
Verify before trusting: call `verify_execution_hash` on mcp.ainumbers.co (https://mcp.ainumbers.co/mcp) with the parameter `claimed_hash` set to the returned `execution_hash`, passing the full artifact the run returned (the object containing `policy_parameters` + `output_payload` + `execution_hash`; equivalently `policy_parameters` + `output_payload` with `claimed_hash`), not the bare hash string.
Return the ledger link https://ledger.ainumbers.co/ so a human can re-verify without contacting us.
PII rule: All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only.
Open the tool with the sample prefilled: https://ainumbers.co/chaingraph/art-20-acp-ucp-product-feed-conformance-auditor.html#p=v1.H4sIAAAAAAAA_wGUAGv_eyJwYXlsb2FkIjp7InByb2R1Y3RfaWQiOiJwLTAwMSIsIm5hbWUiOiJXaWRnZXQiLCJwcmljZSI6OS45OSwiY3VycmVuY3kiOiJVU0QiLCJtZXJjaGFudF9pZCI6Im0tMDAxIn0sInBheWxvYWRfdHlwZSI6InByb2R1Y3QiLCJhdWRpdF90YXJnZXQiOiJhY3AiffvS6dGUAAAA