TensorFeed x402 Base Reader MCP server

Returns the native ETH balance of an address on Base mainnet.

Returns the USDC balance of an address on Base mainnet (Circle native bridged USDC).

Performs an eth_call against a contract on Base mainnet. Read-only; never broadcasts a transaction.

Returns the receipt for a transaction on Base mainnet, including status, gas used, and a summary of emitted logs.

Fetches https://{domain}/.well-known/x402.json (or x402) and returns the structured manifest. Used to discover what an x402-paid publisher accepts (scheme, network, payTo, prices, paid endpoints).

Calls TensorFeed's canonical AFTA certification endpoint for a domain. Returns a scored checklist of which Agent Fair-Trade Agreement tenets the domain's public surfaces satisfy. Read-only.

Returns the latest block number on Base mainnet.

Given a tx hash, expected recipient, and expected USDC amount, returns a structured verdict on whether the on-chain USDC Transfer event actually matches the claimed settlement. Use to independently verify any x402 payment receipt.

Decodes a base64-encoded X-PAYMENT header payload per the Coinbase x402 V2 spec. Returns the parsed scheme, network, x402Version, EIP-3009 authorization, and signature. Pure offline decode; no signature is verified and no network call is made.

Returns the canonical list of confirmed Agent Fair-Trade Agreement (AFTA) federation members as of this package version. Static curated list; chain through verify_afta_federation(domain) to confirm live cert posture per member.

Returns USDC Transfer events involving the given address over the last N blocks on Base mainnet. Direction filter: in, out, or both.

Performs a GET against an https URL and reports whether the response looks like a canonical x402-paid endpoint (HTTP 402 with a JSON body containing accepts[]). Read-only. Does not pay, does not broadcast.

Returns the latest x402 status snapshot for a given domain from TensorFeed's canonical hourly monitor: current outcome, latency, 24h/7d uptime, and the recent series of check results. Useful for agents picking which paid publisher to depend on.

Returns USDC transfers TO the given address over the last N blocks on Base mainnet. A convenience wrapper for x402 merchants verifying incoming agent payments.

On-chain lookup: was this transaction hash a USDC payment to TensorFeed's canonical payment wallet (0x549c82e6bFC54bdaE9A2073744CBC2AF5D1FC6D1) on Base mainnet? Returns structured details if yes. For credit attribution and endpoint mapping, the paying agent should call https://tensorfeed.ai/api/payment/history with its bearer token.