{"schema_version":"1.0","name":"mev-history-mcp","title":"MEV History MCP (x402)","description":"x402 MCP server — EVM MEV history. Sandwich detection + per-wallet MEV exposure + per-pool MEV density. Block-position heuristic over public RPC. Multichain (ethereum/base/arbitrum/optimism/polygon). No signup, no API key — pay USDC on Base.","version":"0.1.0","transport":{"type":"streamable-http","url":"https://mev-history-mcp.mtree.workers.dev/mcp"},"tools":[{"name":"mev_exposure","description":"Per-wallet MEV exposure score (0–100). Samples recent blocks, applies block-position sandwich heuristic to wallet's swap tx. $0.30/call.","endpoint":"/v1/wallet/mev_exposure","price":"$0.30"},{"name":"sandwich_check","description":"Was this tx sandwiched? Single-tx classifier with confidence (none/weak/medium/strong/confirmed). $0.05/call.","endpoint":"/v1/tx/sandwich_check","price":"$0.05"},{"name":"recent_mev_density","description":"Pool-level recent sandwich density (0.0–1.0). Scans recent logs, applies heuristic per tx. $0.10/call.","endpoint":"/v1/pool/recent_mev_density","price":"$0.10"}],"payment":{"scheme":"x402","network":"base","asset":"USDC"}}