UCP Sandbox
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Changelog

What's new

Changes to the test stores, the console and the docs, newest first.

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