{"service":"approval-revoke-mcp","version":"0.1.0","description":"x402 MCP for EVM token approvals — list active approvals, score wallet approval risk, and look up spender reputation. Multichain (ethereum/base/arbitrum/optimism/polygon). No signup, no API key.","sources":{"public-rpc":"Cloudflare-eth / Llama / PublicNode / Ankr fallback chain — eth_getLogs (Approval, ApprovalForAll), eth_call (allowance, isApprovedForAll, symbol), eth_getCode.","known-spenders":"Curated dictionary of major routers / aggregators / NFT marketplaces per chain (Uniswap V2/V3/UniversalRouter/Permit2, 1inch, 0x, Aerodrome, Sushi, Balancer, OpenSea Seaport, Blur, Velodrome, Camelot, QuickSwap).","known-malicious":"Seed list of known drainer addresses (Inferno, Pink, Angel, Monkey families). Operators MUST verify; v0.2 will integrate live feeds."},"endpoints":{"POST /v1/wallet/approvals":{"price":"$0.10","network":"base","sources":2},"POST /v1/wallet/approvals_risk":{"price":"$0.20","network":"base","sources":3},"POST /v1/spender/reputation":{"price":"$0.05","network":"base","sources":3}},"chains_supported":["ethereum","base","arbitrum","optimism","polygon"],"pay_to":"0x1664530DC2A1CA350B1dbaD1Fc1F1a70c90fe4de","repo":"https://github.com/sebastiancoombs/approval-revoke-mcp"}