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minimal-proxy

Use when deploying many identical contracts cheaply with EIP-1167 minimal proxy (clones). Covers Clones library, initialization patterns, gas efficiency, factory patterns, and limitations.

skills/minimal-proxy/SKILL.md

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# EIP-1167 Minimal Proxy (Clones)

## Overview

EIP-1167 defines a minimal bytecode proxy that delegates all calls to a known implementation. The clone is only 45 bytes of bytecode and costs ~36,000 gas to deploy (vs ~200,000+ for a full contract). Not upgradeable — the implementation address is baked into the bytecode.

## Clone Bytecode

```
363d3d373d3d3d363d73<implementation>5af43d82803e903d91602b57fd5bf3
```

This is a pure `delegatecall` forwarder. All storage lives in the clone, logic executes from the implementation.