Changelog
What's new
Changes to the test stores, the console and the docs, newest first.
8 Oct 2026
0.5.0- NewNorthlight Flowers also speaks UCP 2026-04-08Agents built to the 2026-04-08 release get replies in that release. The store's profile lists it under supported_versions.Protocol
- ImprovedCarts say when they expire, and orders carry their numberCarts include expires_at, and a completed checkout's order includes its label.Protocol
5 Oct 2026
0.4.0- NewSign in with GoogleUse your Google account to sign in to the console, alongside GitHub and an emailed link.Console
- ImprovedHarbour Row Stays and Kettle Street Noodles are previewsThe UCP spec for lodging and food is still settling, so these two stores will change.Stores
3 Oct 2026
0.3.0- NewStores check request signaturesWeb Bot Auth and UCP request signatures are checked against the keys the agent publishes. Unsigned agents are still answered.Protocol
- NewWho shops hereEach store's analytics page shows which agents shop it and how many proved who they are. Only verified agents are named.Stores
2 Oct 2026
0.2.0- NewNorthlight Flowers has five shopsFind a shop by distance, delivery area, opening hours or stock, and collect an order from it.Stores
- NewLocation search and lookupThe flowers store answers the UCP location calls over REST, MCP and WebMCP.Protocol
- NewAnalytics for your storesHow far agents got, what they searched for, which result they picked and where calls failed.Console
- NewEach reference store shows how agents use itShares and timings at /analytics on the store. No agent is named.Stores
- NewStore versionsA reference store gets a version number when it changes, and an experiment records the version it ran on.Stores
- NewSign in with GitHub or an emailed linkNo password. Your email is your account.Console
- NewAccount pageSee your details, download your data, sign out, or delete your account and everything in it.Console
- NewContact pageOne form for questions, bugs in a test store and data requests.Docs and site
- ImprovedStays store is clearer about dates and pricesStay dates are spelled out, the booking window is stated, and prices can be shown in the traveller's currency as a guide.Stores
- ImprovedIdle stores are archivedA store copy nothing has used for 90 days stops answering; you can restore or delete it.Console
1 Oct 2026
0.1.0 · Launch- NewUCP Sandbox is liveTest stores any agent can shop, and experiments on your own copy of one.Docs and site
- NewThree reference storesNorthlight Flowers (retail), Harbour Row Stays (lodging) and Kettle Street Noodles (takeout).Stores
- NewExperiments: A against B, one changePick a change, point agents at both stores, read the result from the stores' own records.Console
- NewStores speak UCP release 2026-08-25Over REST and MCP, with WebMCP tools in the storefront pages.Protocol