Deterministic on-chain / crypto primitives for agents — no external calls, no data deps.
ops: keccak256, abi_encode, abi_decode, selector, eip712_hash, recover, verify_712, merkle_root, merkle_proof, verify_merkle, create2, create_address, namehash, checksum, unit_convert, rlp_encode, rlp_decode
Price: 0.020 USDC on Base per call. Pay via x402:
POST https://chainkit.leeworks.dev/v1/crypto with body {"op": "...", ...}. No account, no KYC.