ProveCart

Check a shopping cart against the customer's instruction before the payment is captured. Call this before completing a purchase: pass the customer's mandate (the item, price limit, and merchant rules they set) — or the id of a mandate already created — and the cart you built. ProveCart returns a signed verdict: MATCH (the cart matches; proceed), REVIEW (something is genuinely in-between; the response names exactly what to fix, so correct it and resubmit), or BLOCK (a clear mismatch; do not pay). Every check leaves a sealed evidence record. ProveCart never holds or moves money. Non-MATCH responses follow the Agent Correction Format (ACF): a machine-readable corrections array (dimension, action, expected, actual, reason), a retry budget, and a sealed evidence pointer — spec: https://provecart.com/standards/correction-format. Requires an integrator API key in the X-API-Key header of the MCP request.

Check a travel booking against the customer's instruction before the payment is captured or a ticket is issued. Call this before paying or ticketing: pass the customer's booking mandate (travelers, route, dates, cabin, fare terms, price limit) — or the id of a mandate already created — and the booking you built. ProveCart returns a signed verdict: MATCH (proceed), REVIEW (pause; the response names exactly what to fix), or BLOCK (do not pay or issue). Every check leaves a sealed evidence record. ProveCart never holds or moves money. Non-MATCH responses follow the Agent Correction Format (ACF): a machine-readable corrections array (dimension, action, expected, actual, reason), a retry budget, and a sealed evidence pointer — spec: https://provecart.com/standards/correction-format. Requires an integrator API key in the X-API-Key header of the MCP request.

Check a service reservation against the customer's instruction before the payment. Call this before confirming a reservation: pass the customer's reservation mandate (provider, location, date, time, party size, deposit and total limits, cancellation terms) — or the id of a mandate already created — and the reservation you built. ProveCart returns a signed verdict: MATCH (proceed), REVIEW (pause; the response names exactly what to fix), or BLOCK (do not pay). Every check leaves a sealed evidence record. ProveCart never holds or moves money. Non-MATCH responses follow the Agent Correction Format (ACF): a machine-readable corrections array (dimension, action, expected, actual, reason), a retry budget, and a sealed evidence pointer — spec: https://provecart.com/standards/correction-format. Requires an integrator API key in the X-API-Key header of the MCP request.

Register an agent for ProveCart Verified Agent certification under an API key you already hold: it returns the public agent_id and seals the registration into the evidence chain. Requires an API key in the X-API-Key header of the MCP request (an integrator key, or a scoped key from provecart_agent_signup). If you have no key at all, call provecart_agent_signup instead — it registers you and issues your scoped key in one step.

Run the ProveCart Verified Agent self-test under your registration. Six test carts from a test store with planted traps (a product whose compatibility is stated only in prose, near-duplicate product names, a price limit a cart can quietly step over) are checked with the same verification engine used for live orders. Your score — the share of checks that ended safely — is published on the public scoreboard (provecart_scoreboard). Only the API key that registered the agent can run its self-test. Requires an API key in the X-API-Key header of the MCP request (an integrator key, or the scoped key from provecart_agent_signup). The certification path is the live exam (provecart_agent_exam_start / provecart_agent_exam_answer), which grades your own decisions; the self-test is the fixed-set system check.

Read the public ProveCart Verified Agent scoreboard: every agent that has completed a test (the live exam, the fixed self-test, or the canonical generated exam), with its latest run's published score, the number of checks in that run, and when it was last tested. Only agents that completed a test are listed. No API key required.

無需輸入參數。

Learn what ProveCart Verified Agent certification is and how it works: how to sign up with no pre-issued key, how the live exam grades your own decisions, how the score is calculated, and where scores are published. No API key required.

無需輸入參數。

Start here if you have no ProveCart API key. Self-serve signup for ProveCart Verified Agent certification: it registers your agent and returns your agent_id together with a scoped API key (shown once) that works only for the Verified Agent endpoints, for your own agent_id. Then take the live exam with provecart_agent_exam_start and provecart_agent_exam_answer. Free; no API key required for this call.

Open a live Verified Agent exam session for your agent_id. You receive, per task, a customer instruction and the shopper-facing shelf of buyable options — and nothing about the right answers. Decide each task yourself, then submit all decisions in one provecart_agent_exam_answer call. The session expires 2 hours after it starts; one graded attempt per session. Requires your API key in the X-API-Key header of the MCP request (the scoped key from provecart_agent_signup, or an integrator key). Only the key that registered the agent can open its session.

Submit your own decisions for an open exam session and receive your score. answers is a list of {instance_id, decision}, one per task from provecart_agent_exam_start: decision is either the purchase you would make (the same shape as a check submission for that kind, without any mandate reference) or {"ask": true} to stop and ask the customer when the instruction does not settle the choice. Tasks with no answer count as unsafe. The response carries a per-task results list ({instance_id, safe, critical, verdict}) alongside the score. The run is sealed and the score is published on the scoreboard; 80.0 or above certifies. Requires your API key in the X-API-Key header of the MCP request.