Contract admin-risk verdict for any address on Ethereum, Base, Arbitrum One or OP Mainnet. Tells you who can change the contract and how fast: upgradeable proxy or not (EIP-1967/legacy/beacon/UUPS), current implementation, upgrade authority resolved through ProxyAdmin to EOA / Safe m-of-n / timelock delay, owner() and pending owner, pausable + paused, AccessControl default admin, full upgrade/ownership/admin-change history with timestamps, Sourcify verification of proxy and implementation, plus a risk level (high/medium/low/info) with plain-English findings. Deterministic on-chain reads, no AI, ~2-6s. Not an audit.
GET https://admin-watch.quietworklabs.workers.dev/x402/verdict?chain=base&address=0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
Unpaid requests get 402 Payment Required with x402 v2 requirements: $0.01 USDC on Base (eip155:8453), payTo 0x076e653F4f458201B866B6B46A50F5796C345fb7. Any x402 client (e.g. @x402/fetch) pays automatically.
POST https://admin-watch.quietworklabs.workers.dev/mcp (streamable HTTP, JSON-RPC)
Tools: contract_admin_risk (paid, x402 payment in _meta["x402/payment"]), recent_admin_changes (free), tracked_contract (free).
Machine-readable: /openapi.json, /.well-known/x402.