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[Proposal]: Add agentic channel source

Status: Open.

#604 In Universal-Commerce-Protocol/ucp;

· prateekg17 opened on Jul 17, 2026

ap2_mandate.json: checkout_mandate pattern rejects the serialization the AP2 reference SDK emits — which wire form is intended?

Status: Open.

#599 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 17, 2026

[DTC Charter]: Payments Tech Council

Status: Open.

#594 In Universal-Commerce-Protocol/ucp;

· prateekdudeja19-g opened on Jul 16, 2026

[Feat]: Support for Public/Private Key Asymmetric Cryptography (Alternative to HTTP Message Signatures)

Status: Open.

#591 In Universal-Commerce-Protocol/ucp;

· odyssey1816 opened on Jul 16, 2026

RFC: Payment terms and scheduled payments

RFC

TC reviewReady for TC reviewReady for TC review

Status: Open.

#587 In Universal-Commerce-Protocol/ucp;

· raginpirate opened on Jul 14, 2026

[Feat]: Support specifying the condition (e.g., used, refurbished) of a variant to identify not-new items in Catalog search.

Status: Open.

#586 In Universal-Commerce-Protocol/ucp;

· alex-jansen opened on Jul 14, 2026

ap2_mandate requires ES512, but signatures.md's algorithm table only defines ES256/ES384 — should ES512 be added?

Status: Open.

#571 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 7, 2026

signatures.md: example Signature values are ASN.1/DER, but the spec requires raw r||s encoding

Status: Open.

#569 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 7, 2026

[Proposal]: Consolidate Amount Representations

payments

Status: Open.

#557 In Universal-Commerce-Protocol/ucp;

· kmcduffie opened on Jul 1, 2026

RFC: A Bulk Product Discovery Layer for UCP

RFC

TC reviewReady for TC reviewReady for TC review

Status: Open.

#550 In Universal-Commerce-Protocol/ucp;

· vink28 opened on Jun 25, 2026

[Proposal]: Post-Purchase Returns, Exchanges, and Claims Capability (dev.ucp.returns)

payments

Status: Open.

#544 In Universal-Commerce-Protocol/ucp;

· okoren-g opened on Jun 24, 2026

[DTC Charter]: Lodging

Status: Open.

#543 In Universal-Commerce-Protocol/ucp;

· wishy-arora opened on Jun 24, 2026