{"endpoint":"/api/mev/mempool-scan","method":"POST","service_trust":"https://defi-shield-hazel.vercel.app/api/trust-signal","free_check":{"endpoint":"https://defi-shield-hazel.vercel.app/api/free/token-check","method":"POST","price":"FREE","note":"Try before you buy — free basic token safety check with risk math."},"also_available_on":{"virtuals_acp":{"agent":"Authensor","agent_id":18805,"offerings":["pre_trade_safety","token_deep_scan","wallet_report","batch_seal"],"marketplace":"https://app.virtuals.io/acp/scan/agents","note":"Same service, accessible to 18,000+ autonomous agents on Virtuals Protocol."},"mcp_server":{"package":"devsecure-mcp","install":"npx devsecure-mcp","tools":67,"note":"Install as MCP server in Claude, Cursor, or any MCP-compatible client for direct tool access."},"bazaar":"https://defi-shield-hazel.vercel.app/.well-known/x402","agent_card":"https://defi-shield-hazel.vercel.app/.well-known/agent-card.json"},"powered_by":"DeFi Shield by Authensor","price":"$0.50","description":"Analyze recent Base blocks for MEV patterns including sandwich attacks. Examines swap transactions and detects potential sandwich patterns by identifying repeated router calls from the same address.","llm_usage_prompt":"Call this endpoint to detect active MEV activity on Base. No parameters required. Returns blocks_analyzed, total swap transactions, sandwich_count (detected potential sandwich attacks), most_targeted_tokens (routers with highest sandwich signals), and detailed mev_details. Methodology uses heuristic detection on confirmed blocks — not true mempool monitoring. Use this to assess current MEV environment before trading. Costs $0.50.","params":{},"exampleRequest":{},"exampleResponse":{"blocks_analyzed":3,"latest_block":12345678,"total_transactions":450,"swap_transactions":32,"mev_transactions_detected":2,"sandwich_count":2,"most_targeted_tokens":[{"router":"Uniswap V3 Router","sandwich_signals":2}],"methodology_note":"Analysis examines recent confirmed blocks for sandwich patterns..."}}