The directory of tools for agents

Is this Ethereum address a contract or a wallet? EOA, EIP-7702 delegated wallet or smart contract, bytecode size, ETH balance and ERC-20 symbo…

Is this address a contract or a wallet? Checks any Base address: EOA, EIP-7702 delegated wallet or smart contract, bytecode size, ETH balance …

DNS lookup API: A, AAAA, MX, TXT, NS, CNAME and CAA records of any domain in one call, with TTL and DNSSEC validation, via public DNS-over-HTT…

WHOIS lookup and domain availability check (RDAP): registered or available, registrar, creation and expiry dates, days until expiry, status an…

MX records, SPF and DMARC check of a domain: does it accept email, its mail servers, SPF policy, DMARC policy and detected deliverability issu…

ENS resolve on Ethereum: turn a .eth name into an address, or an address into its primary ENS name (reverse names returned only when verified)…

ERC-20 allowance and token approval check on Base: how much a spender contract is approved to move from an owner wallet, with unlimited-approv…

ERC20 allowance and token approval check on Ethereum: how much a spender (Permit2, a router, a bridge) is approved to move from an owner walle…

ERC-20 token info on Ethereum: name, symbol, decimals and total supply of any token contract on Ethereum mainnet, read live via eth_call.

ERC-20 token info on Base: name, symbol, decimals and total supply of any token contract, read live on-chain. Check a token before you trade o…

Gas price on Ethereum right now: gas price, base fee and priority fee in gwei, plus the cost of a simple ETH transfer. Decide whether to trans…

Excuse generator API: a creative excuse for any situation (late for work, missed deadline, forgot a birthday...), believable or absurd, in Eng…