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All cases

Verify it in 5 minutes

Everything on this page runs on Replay: recorded, redacted responses from the real PayPal sandbox. No login, no keys, and nothing is sent. Carrier scans come from a mock carrier and store logs are sample data; both are labelled wherever they appear.

The evidence behind each call

For each case: the PayPal reason code, how much of the proof that answers it is on file, the score arithmetic, and the fact that decided it. Fixed rules, no AI. Open a case to see every proof with its record.

  • PP-R-KFL-10190426OfferNot as described · $64.00 · proof 2 of 3 · score +1 +2 −1 = +2Mixed evidence: a fair offer usually settles it faster than a claim
  • PP-R-VYZ-10190425RefundItem not received · $42.00 · proof 0 of 3 · score −3 = −3No tracking or proof of shipment on file
  • PP-R-KWQ-10190429HoldItem not received · $142.00 · proof 1 of 3 · score +1 −1 = 0Still moving: no delivery scan yet
  • PP-R-FDW-10190427RefundItem not received · $28.50 · proof 1 of 4 · score −4 +1 −4 = −7Seller's own records acknowledge the problem
  • PP-R-OZN-10190428RefundItem not received · $9.50 · proof 1 of 3 · score +1 −1 = 0Your time (~$12.50) costs more than the $9.50 refund
  • PP-R-FWW-10190477Defend · closed, wonItem not received · $312.00 · proof 3 of 3 · score +1 +3 +1 +1 = +6Carrier shows the package as delivered
  • PP-R-WEO-10190424Defend · closed, wonItem not received · $89.00 · proof 3 of 3 · score +1 +3 +1 +1 = +6Carrier shows the package as delivered

Each fact for you adds its weight; each fact for the buyer subtracts it. +3 or more is strong, +1 to +2 mixed, below that weak. Any decisive fact for the buyer means a refund, whatever the total.

A 5-minute path

  1. 1 minWatch the agent work the case from the video. Check that every reason and every row of Proof for this claim carries a source chip; tap one and it jumps to the record.
  2. 30 sOn that case, press Test our checker: two made-up claims are injected and the server strikes them out.
  3. 30 sOpen What PayPal receives: the exact request (endpoint and JSON) and the evidence-pack PDF, before anything is sent.
  4. 1 minCases where the agent does not just defend: can't prove delivery · the buyer is right · a fair offer · hold, nothing to send yet.
  5. 1 minRun the checks yourself (no keys, no network):npm ci && npm test
  6. 1 minAsk any MCP client for the agent's judgement, keyless on the same Replay data:npx @modelcontextprotocol/inspector npm run -s mcp:replaythen call assess_dispute with PP-R-VYZ-10190425: the verdict, the score arithmetic and the proof checklist, each with its record.

Gates every write passes

Each with the test file that proves it.