TensorFeed x402 Base Reader benchmark report

• npxconfidence: high

  npx -y @tensorfeed/x402-base-mcp

• tool

  afta_federation_members

  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.

• tool

  balance

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

• tool

  block_number

  Returns the latest block number on Base mainnet.

• tool

  call

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

• tool

  decode_x402_payment_payload

  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.

• tool

  get_tx_receipt

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

• tool

  parse_x402_manifest

  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).

• tool

  probe_x402_endpoint

  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.

• tool

  recent_transfers

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

• tool

  tf_payment_lookup

  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.

• tool

  usdc_balance

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

• tool

  usdc_recent_payments_to

  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.

• tool

  verify_afta_federation

  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.

• tool

  verify_x402_settlement

  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.

• tool

  x402_publisher_health

  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.

View the full TensorFeed x402 Base Reader directory profile →