UCP profile validator & generator. Get your store ready for AI shopping agents (ChatGPT, Google AI Mode, Copilot). Instant results, no signup. ⚡
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Joined January 2026
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UCP spec versions drift. Q1 v1.0, today v1.2. Cart went draft to live. Your validator tests the old spec, not what Google AI Mode runs. Invisible until checkout fails: ucptools.dev/blog/google-ai-…
Google AI Mode checkout is live. UCP profile validated in Q1? The spec moved. Payment handlers, signing keys, namespace — all drift silently. What breaks: ucptools.dev/blog/google-ai-…
Shopify Agentic Storefronts gets your products into ChatGPT. But the UCP profile underneath still needs payments, cart, and checkout to work. Most don't. The listing is the easy part. Test yours: ucptools.dev?utm_source=x&ut…
Your UCP validator fails Cart & Catalog. The AI agent shops fine. The draft-spec trap: validators that hard-fail on evolving capabilities make you debug the wrong thing. ucptools.dev/blog/ucp-draft-…
Your UCP profile passed the simulator today. Will it still pass next week?
5 things that break silently between checks. None of them trip a build alert.
ucptools.dev/blog/ucp-monito…
ChatGPT can shop now. Is your store ready to sell to it?
Target, Sephora, Nordstrom already are. Most stores haven't checked.
30-second ACP readiness test — free, no signup:
ucptools.dev/acp-checker?utm…
Your UCP profile passed validation. The AI agent simulator failed at signing_keys. Validator: PASS. Simulator: NO. That gap is where most profiles break. Don't trust validation alone: ucptools.dev?utm_source=x&ut…
What 5 AI agents on our site this month means for AI commerce discoverability. Full data: dev.to/ucptools/we-tracked-e…
5 different AI agents visited UCPtools this month: ChatGPT, Gemini, Perplexity, Claude, NotebookLM. The trend line: 1 to 1 to 5. Here's what they did and what it means for AI commerce discoverability.
Google at OSS Summit: 'UCP is the open rails for agentic commerce.' Protocol war over. UCP won. Is your store connected to the rails AI agents use? ucptools.dev?utm_source=x&ut…
Adyen entered agentic commerce. Visa+OpenAI. Mastercard Agent Pay. Three payment rails exist. One discovery protocol. Can AI agents find your store? ucptools.dev?utm_source=x&ut…
Shopify Spring '26 auto-syndicates products to ChatGPT, Copilot, Google AI Mode + Gemini. Zero setup. Not on Shopify? Build UCP yourself. Validate it works before AI agents start sending traffic: ucptools.dev?utm_source=x&ut…
Google confirmed UCP will power checkout in AI Mode Search + Gemini. When an AI agent hits your /.well-known/ucp, what does it find? A valid manifest, or a 404? Test yours: ucptools.dev?utm_source=x&ut…
AI shopping agents are buying from stores. Is yours visible? 'ucp validator' hit #1 in Google. The gap between 'valid' and 'agent-ready' is real.
ucptools.dev/blog/ai-shoppin…
UCPChecker Playground: 2,000 agent sessions, 232 stores, 16 AI agents.
The market is real. But a playground run is not validation.
Binary checks miss the deeper levels AI agents hit.
ucptools.dev?utm_source=x&ut…
Mastercard launched Agent Pay for Machines on June 10. Coinbase + Stripe on board.
Payment rails built. Can AI agents discover your store?
Payment without .well-known/ucp is pointless.
ucptools.dev?utm_source=x&ut…
Visa+OpenAI just made agentic payments real.
But AI agents still can't find most stores.
Payment without discovery is pointless. .well-known/ucp enables both.
ucptools.dev?utm_source=x&ut…
If an AI shopping agent hits your store, the first thing it looks for is a UCP manifest at /.well-known/ucp.json. No manifest = your catalog, pricing, and return policy are invisible to it. Worth checking what yours returns.
AI agents are finding UCPtools - converting at 100%.
chatgpt.com: 2 users, 2 tool users. claude.ai: 1 user, 1 tool user.
62 UCP profiles validated this week. Yours?
ucptools.dev/?utm_source=x&u…