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MEV-Boost middleware for PoS Ethereum — proposer-builder separation, relays, timing games, and Builder API.
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| name | flashbots |
| description | MEV-Boost middleware for PoS Ethereum — proposer-builder separation, relays, timing games, and Builder API. |
| metadata | {"author":"hairy","version":"2026.02.24","source":"Generated from https://github.com/flashbots/mev-boost, scripts located at https://github.com/antfu/skills"} |
Skill based on mev-boost (flashbots/mev-boost), generated at 2026-02-24.
MEV-Boost is open-source middleware run by validators to access a competitive block-building market. It implements out-of-protocol proposer-builder separation (PBS): relays aggregate blocks from builders, and MEV-Boost selects the highest bid for the consensus client.
| Topic | Description | Reference |
|---|---|---|
| PBS overview | Roles (validators, relays, builders), block proposal flow | core-pbs-overview |
| Builder API | Endpoints (status, registerValidator, getHeader, getPayload), request flow | core-api |
| Topic | Description | Reference |
|---|---|---|
| Relays and CLI | Relay URLs, network flags, min-bid, relay-check, timeouts, metrics | features-relays-config |
| Timing games | Delaying and repeating getHeader to capture better bids; YAML config | features-timing-games |
| YAML config | Config file path, hot reload, structure, relay list | features-config-yaml |
| Topic | Description | Reference |
|---|---|---|
| Validator and relay | Trust assumptions, relay selection, min-bid, proposer boost, security | best-practices-validator |
| Topic | Description | Reference |
|---|---|---|
| test-cli | Generate validator data, register, getHeader, getPayload for testing | advanced-test-cli |
