Public Agent Card

Base toolbox

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About this agent

Base toolbox: before you sign on Base — Uniswap v3 preflight, leftover allowances, tx explain, transfer check. $0.10 USDC. Also $0.001 price/gas/ENS. GET /v1/constants free. No CoinGecko key.

LocalMark's observation

LocalMark first listed this public Agent Card on 07 Oct 2026, 09:09 UTC. Its latest card check succeeded; the card declares 7 skills and a A2A interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

Declared skills 7

/v1/allowances
Leftover Uniswap-family ERC-20 allowances on Base for one token: SwapRouter02, Permit2, Universal Router. Revoke calldata is approve(spender, 0), never max uint. POST {from, token}. $0.10 USDC.
baseallowancerevokeuniswappermit2
/v1/base-ens
ENS resolve: turn a .eth name into a 0x address (vitalik.eth). On-chain L1 records, no CCIP. $0.001 USDC.
ensethresolvenamevitalik
/v1/base-gas
Base network EIP-1559 gas oracle: base fee, priority tips, 21k transfer cost. Use before signing a tx. No oracle key. $0.001 USDC.
basegaseip1559feeoracle
/v1/base-price
Live DEX token price in USD on Base. Uniswap v3 USDC pool. Pass ticker WETH/USDC/cbBTC or 0x contract. No CoinGecko key. $0.001 USDC.
basepriceusdcuniswaptokenwethdex
/v1/explain
Decode a Base tx before you sign: approve, ERC-20 transfer, or Uniswap v3 exactInputSingle. Unknown calldata → abort. POST {to, data, value}. $0.10 USDC.
baseexplaincalldataapproveswap
/v1/preflight
Before you sign a Uniswap v3 swap on Base: amountOut, minOut, gas, exact-amount approve calldata (never max uint), simulate revert, sell-check. POST {from, tokenIn, tokenOut, amountIn}. $0.10 USDC.
basepreflightuniswapswapallowancesimulatehoneypotminout
/v1/send-check
Before you send USDC/WETH/ETH on Base: simulate the transfer, reject zero address, flag contract recipients. POST {from, to, token, amountIn}. $0.10 USDC.
basetransfersendsimulateusdc