flashbots

Manage validator registration and payload acquisition via the Builder API.

4|1|Updated Jan 30, 2026
One-click install
npx skills add https://github.com/hairyf/blockchain-skills --skill flashbots
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: flashbots
Source: https://github.com/hairyf/blockchain-skills/tree/main/skills/flashbots
Command: npx skills add https://github.com/hairyf/blockchain-skills --skill flashbots

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps Ethereum validators optimize their block proposals by accessing a competitive block-building market, ensuring they receive the highest possible MEV rewards.

Core Features & Use Cases

  • Proposer-Builder Separation (PBS): Facilitates communication between validators, relays, and builders.
  • Relay Management: Connects to multiple relays to aggregate block bids.
  • Timing Games: Optimizes bid capture by intelligently timing getHeader requests.
  • Use Case: A validator can use this Skill to automatically connect to trusted MEV-Boost relays, receive bids for block proposals, and ensure their blocks are built by the highest-bidding builder, thereby maximizing their staking rewards.

Quick Start

Configure flashbots mev-boost to connect to the specified relays and enable relay health checks on startup.

Frequently Asked Questions about flashbots

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I maximize MEV rewards for my Ethereum validator?

MEV-Boost middleware operates as a sidecar for your beacon node to facilitate Proposer-Builder Separation. It manages validator registration, header retrieval, and payload acquisition via a Builder API, connecting to multiple relays to maximize your staking rewards.

What is proposer-builder separation in Ethereum Proof of Stake?

Proposer-builder separation (PBS) in Ethereum PoS is a mechanism where block proposal and block construction are handled by separate entities. MEV-Boost middleware facilitates this by managing communication between validators, relays, and builders to acquire optimized payloads.

How do I configure MEV-Boost to connect to multiple relays?

You can configure MEV-Boost to connect to specified relays and enable relay health checks on startup. This relay management aggregates competitive block bids from builders, ensuring your validator receives the highest possible MEV rewards during block proposals.

Can I optimize block proposal timing with MEV-Boost?

Yes, MEV-Boost supports timing games to optimize bid capture by intelligently timing getHeader requests. This allows validators to strategically retrieve block headers from relays, maximizing the MEV rewards extracted from the builder market.

Does MEV-Boost work with my existing beacon node setup?

MEV-Boost operates as a sidecar for your existing beacon node without requiring deep integration changes. It interfaces with your validator setup via a Builder API to handle block payload acquisition, ensuring compatibility with standard Ethereum PoS staking configurations.