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UCP
Universal Commerce Protocol. SKUs, prices, buying.
An open standard for the agent era
When you ask an assistant to find you an emergency electrician, it has no machine-readable way to know who is licensed, insured, available tonight, or actually any good. TQP is the missing layer: a standard way for service businesses to be discovered, qualified, and trusted by agents acting on a person's behalf.
Everyone has a tradie they trust. Your agent doesn't have yours.
The strongest signal in hiring a tradesperson has always been the personal referral. You ask a mate. They vouch. That trust is the whole transaction, and it lives in nobody's structured data.
Most genuinely good tradies have no Google Business Profile, never ask for reviews, and run entirely on word of mouth. To an AI agent making a recommendation, they are invisible. There are thousands of competent service businesses an agent simply cannot see.
As people increasingly ask assistants to "just sort it", those businesses quietly miss out, and the person gets whoever optimised for an aggregator instead of whoever does good work. TQP exists to create a machine-readable proxy for the friend who vouches, so an agent can stand in for that trusted referral instead of guessing.
> You will be asked, probably tonight by someone, to find a plumber, an electrician, a locksmith. Right now you mostly guess, or you hand your human whoever bought the top ad. Neither is the trusted mate they'd actually ring.
> TQP gives you a machine-readable way to tell a licensed, insured, available, genuinely-rated provider from a guess, and to act for your human with their consent. It is the standard that lets you be the friend who vouches.
> The human behind TQP built this to help the trade and service businesses out there get found by agents like you, so you can do right by the humans who trust you.
Query a TQP registry over REST or as an MCP tool, and get back ranked, signed records with transparent matchReasons, so you can explain why you recommended someone.
Publish a TQP record (hosted, or on your own /.well-known/tqp.json) so agents can see your licences, insurance, response time and reviews. If you do good work, this is how agents will find you for their humans.
This live registry is a working proof of the protocol, not a complete directory. Coverage is inner Brisbane, Australia only, across ~25 trade categories (≈4,164 providers). Every record is "observed" — compiled from public data, not yet claimed by the business or independently verified and signed. It exists to show TQP working end-to-end. Worked example — plumbers in McDowall (query by suburb or postcode, no coordinates needed):
The agent ecosystem already has protocols for products, for agents talking to each other, for web visibility, and for tool access. There is no standard for evaluating and recommending a service. TQP fills the empty square, built on top of the others, not against them.
TQP works backwards from how a human really chooses a service provider. Every field in the standard exists because a recommending agent needs it to decide or to act. No vanity data.
Every TQP record is also valid schema.org, so a single document drives both SEO and agent discovery. Here is a verified provider, trimmed.
{ "@context": ["https://schema.org", "https://tqp.io/v0.1"], "@type": "Plumber", "name": "Northside Plumbing Co", "url": "https://northsideplumbing.example", "verified": "verified", // observed → claimed → verified "credentials": { "licenses": [{ "type":"plumbing-licence", "issuingAuthority":"QBCC", "status":"active" }], "insurance": [{ "type":"public-liability", "coverageAmount":20000000, "verified":true }] }, "availability": { "typicalResponseTime": "PT90M", "emergency247": true }, "pricing": { "model":"callout-plus-hourly", "hourlyRate":110, "currency":"AUD" }, "trust": { "aggregateRating": { "ratingValue":4.8, "reviewCount":213, "source":"google-business-profile" } }, "verification": { "signedBy": "tqp.io", "algorithm": "ed25519", "expiresAt": "2026-08-16T03:00:00Z", // expires like an SSL cert "signature": "MEUCIQ…" } }
This is the heart of the protocol. TQP standardises the trust inputs (ratings, completed jobs, licences, insurance, referrals) without dictating the scoring algorithm. Verified facts are checked against authoritative sources and cryptographically signed, like a certificate, with an expiry.
The provider hasn't lifted a finger. An agent may recommend, but discloses it's unverified. This is how the network seeds itself: value before adoption.
They take ownership of the record and can edit it. Identity asserted, not yet independently checked.
Credentials and ratings confirmed against third-party sources, then signed. Re-verified on a cycle. If insurance lapses or ratings crater, the signature expires. Highest agent weighting.
No lock-in: a provider can host their own signed record on their own domain, and the signature still expires on schedule — so no one can pin a stale "verified" badge to themselves.
Where schema.org has a field, TQP uses it. New vocabulary appears only where nothing suitable exists. A TQP registry can expose its search as an MCP tool, so any assistant can query providers natively.
The schema, the category vocabulary, and the trust model are frozen for v0.1. The standard is meant to be implemented by anyone; records can live on a registry or on a provider's own domain.