{"slug":"mev-builder-share-5ca76700","name":"MEV builder share","summary":"Builder market share aggregated over the last N MEV-Boost blocks from a major MEV-Boost relay's public data API. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder concentration or detect a new builder gaining share.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:08.425033Z","sources":[{"source":"x402_bazaar","external_id":"https://agent402.tools/api/mev-builder-share","owner_address":"0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0","seen_at":"2026-10-26T18:18:10.691023Z","removed_at":null}],"endpoints":[{"url":"https://agent402.tools/api/mev-builder-share","host":"agent402.tools","protocol":"x402","state":"live","last_probe_at":"2026-10-25T22:07:13.991527Z","last_ok_at":"2026-10-25T22:07:13.991527Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"agent402-tools-4df46169","name":"agent402.tools"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":7,"last_paid_at":"2026-10-20T02:00:32.565Z","reported_at":"2026-10-26T18:18:10.691023Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 17 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"3 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T15:42:36.353109Z"},"identity":{"endpoint_domains":["agent402.tools"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}