{"schemaVersion":"2025-11-25","name":"axiom-relay","version":"0.1.0","description":"Buy x402-paid API resources. Describe the capability you need and Axiom finds a working provider, ranks candidates on price and reliability, pays the seller directly and returns the result. Fee 3% capped at $0.50; waived when too small to settle. Non-custodial.","homepage":"https://axiom-relay.reference-seller.workers.dev","transport":{"type":"streamable-http","url":"https://axiom-relay.reference-seller.workers.dev/mcp"},"tools":[{"name":"quote_crypto_swap","description":"Route a token swap non-custodially. Compares execution providers, normalises every fee and gas cost, and returns transactions for YOUR wallet to sign -- Axiom never holds funds or keys. Chains: Ethereum, Base, Arbitrum One, OP Mainnet. Execution via LI.FI. Axiom fee 15 bps embedded in the swap; the provider's own fee is disclosed separately and is not Axiom revenue. Status: beta.","inputSchema":{"type":"object","required":["fromChain","sellToken","buyToken","sellAmount","taker"],"properties":{"fromChain":{"type":"integer","description":"Chain id to sell on"},"toChain":{"type":"integer","description":"Chain id to receive on; defaults to fromChain"},"sellToken":{"type":"string","description":"Contract address of the token being sold"},"buyToken":{"type":"string","description":"Contract address of the token being bought"},"sellAmount":{"type":"string","description":"Amount in the sell token's atomic units"},"taker":{"type":"string","description":"Wallet address that will sign and hold the result"},"slippageBps":{"type":"integer","description":"Slippage tolerance in basis points"},"maxTotalFeeBps":{"type":"integer","description":"Refuse routes costing more than this, all-in"}}}},{"name":"analyze_crypto_swap","description":"Compare execution providers and total cost for a prospective swap and get a recommendation. Returns no signable transaction, so it cannot execute anything.","inputSchema":{"type":"object","required":["fromChain","sellToken","buyToken","sellAmount","taker"],"properties":{"fromChain":{"type":"integer"},"toChain":{"type":"integer"},"sellToken":{"type":"string"},"buyToken":{"type":"string"},"sellAmount":{"type":"string"},"taker":{"type":"string"}}}},{"name":"find_paid_resource","description":"Find x402 providers for a described capability and return them ranked, with the reason the top candidate was selected. Executes no payment.","inputSchema":{"type":"object","required":["capability"],"properties":{"capability":{"type":"string","description":"What you need, in words. Minimum 3 characters."},"maxPriceAtomic":{"type":"string","description":"Optional ceiling on the seller price, atomic units."},"network":{"type":"string","description":"Optional CAIP-2 network, e.g. eip155:8453."}}}},{"name":"quote_paid_resource","description":"Price a specific x402 resource URL, including the Axiom fee. Executes no payment.","inputSchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Absolute https URL of the x402 resource."},"method":{"type":"string","enum":["GET","HEAD","POST","PUT","PATCH","DELETE"]}}}},{"name":"purchase_paid_resource","description":"Execute a quoted purchase with buyer-signed authorisations. The caller signs; Axiom never holds a key.","inputSchema":{"type":"object","required":["quote","authorizations"],"properties":{"quote":{"type":"string","description":"Signed quote token from find_paid_resource or quote_paid_resource."},"authorizations":{"type":"array","description":"One { seller, fee } pair per candidate. Omit `fee` where the fee is waived.","items":{"type":"object","required":["seller"],"properties":{"seller":{"type":"string"},"fee":{"type":"string"}}}}}}},{"name":"check_provider","description":"Report whether an x402 resource is reachable, valid and what it charges. Executes no payment.","inputSchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string"}}}}]}