A green result means something
Every check is proven to catch the defect it was written for.
Open source
Open work
Check the claims before you talk to us. That is what these are for.
spck.dev/check
Point it at any Universal Commerce Protocol server for a capability scoped conformance report. In the browser, no install.
spck-conformance
The same suite on PyPI for your CI. 250 kill-rate-validated merchant checks and a 44 check agent lane.
spck.dev/sandbox
Six real agent defects failing live, because conformance is not reliability.
commerce-agents-conformance
137 numbered statements from the contract of the reference implementation, as pytest mixins, one report row each.
commerce-agents-medusa
Claude Commerce Agents over Medusa v2. The adapter the reference does not ship, with hosted Stripe checkout and a durable change ledger.
awesome-agentic-commerce
The active protocols and implementations in agentic commerce, kept current because we work in most of them.
How we work
The failing test comes first
We watch it fail for the right reason, then we try to break the fix.
Fix the class, not the instance
One report becomes a run of merged changes.
Report honestly
What we ran, what we skipped, and never certified.