{"transport":"streamable-http","protocolVersion":"2025-06-18","serverInfo":{"name":"mev-history-mcp","version":"0.1.0"},"tools":[{"name":"mev_exposure","description":"Per-wallet MEV exposure score for an EVM address — samples recent blocks, identifies the wallet's swap-related tx via known DEX router targets, and applies a block-position sandwich heuristic to each. Returns 0–100 exposure score, sandwich count, swap count, and per-sandwich attacker/frontrun/backrun details. Multichain (ethereum/base/arbitrum/optimism/polygon). Costs $0.30 USDC on Base via x402.","price":"$0.30"},{"name":"sandwich_check","description":"Single-tx sandwich classifier. Takes a tx_hash + chain, fetches the tx + its block, applies the block-position heuristic against the immediately-preceding and immediately-following txs. Returns is_sandwiched + confidence (none/weak/medium/strong/confirmed) + attacker_addr + frontrun/backrun details. Costs $0.05 USDC on Base via x402.","price":"$0.05"},{"name":"recent_mev_density","description":"Pool-level recent MEV density. Takes a pool address + chain, fetches every log emitted by the pool in the lookback window, dedupes by tx_hash, then runs the sandwich heuristic per tx. Returns sandwich_density (0.0–1.0), density_band (none/low/medium/high), and up-to-5 sample sandwiches. Costs $0.10 USDC on Base via x402.","price":"$0.10"}],"note":"POST JSON-RPC 2.0 to this URL (initialize, tools/list, tools/call)."}