This is what lands in your inbox every Monday
Real adoption data, ecosystem trends, new spec versions, and the stores that broke or recovered this week. Here's a sample of the actual Weekly UCP Report — what subscribers receive on Monday morning.
Weekly UCP Stats
Monday, Oct 5, 2026
This Week
| New Domains Added | +16 |
| New Verified | +4 |
| Endpoint State Transitions | 1,060 |
| Most Common Failure Pattern | not_detected → unreachable (159x) |
Check Sources
| Extension | 131 |
| Web | 137 |
| Crawler | 251 |
Status Breakdown
| Verified | 19,341 |
| Not Detected | 2,003 |
| Invalid | 494 |
| Blocked | 837 |
| Unreachable | 1,261 |
Spec Version Distribution
2026-08-25 |
11,088 |
2026-04-08 |
8,223 |
2026-01-11 |
16 |
2026-01-23 |
12 |
Capability Adoption
| Checkout | 18,760 |
| Identity Linking | 10,960 |
| Cart Management | 18,863 |
| Order | 11,059 |
| Payment Token | 10 |
| Catalog | 19,222 |
Strategic Primitives
The four capabilities that gate deeper agentic commerce. Every new adopter is a moment.
| AP2 Mandate | 10 |
| Identity Linking | 11,047 |
| Buyer Consent | 163 |
| Embedded Checkout | 1 |
Score Distribution
| Average score across 23,905 verified stores | 79 grade B |
| Grade A85–100 | 18,854 |
| Grade B70–84 | 738 |
| Grade C50–69 | 48 |
| Grade D30–49 | 525 |
| Grade F0–29 | 3,740 |
AI Bot Block Rates
| GPTBot | 0.9% |
| ClaudeBot | 0.8% |
| Google-Extended | 0.7% |
| Applebot-Extended | 0.7% |
Recent from the Blog
|
UCP Local Services: What the Charter for a Booking Council Proposes
Stripe has filed a charter for a UCP Local Services council, backed by Meta, Wix, Squarespace, Housecall Pro, Jobber and... Oct 11, 2026 · 8 min read |
|
Personal Agent Protocol (Poppy) v0.1: What the Spec Says and How It Fits With UCP
Meta and Sierra's Personal Agent Protocol now has a spec. Draft 0.1 defines poppy.json discovery, OAuth sign-in with rea... Oct 8, 2026 · 11 min read |
|
Google's UCP Integration Hub in Merchant Center: How to Get Your Store In
Google has started rolling out a UCP integration hub in Merchant Center for US merchants: checkout buttons in AI Mode an... Oct 8, 2026 · 7 min read |
Get the agentic commerce digest every Monday
Real adoption data, ecosystem trends, new spec versions, and the stores that broke or recovered this week. Read by founders and engineers building the next generation of commerce.