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smart-contract-vulnerabilities

Smart contract vulnerability playbook. Use when auditing Solidity/EVM contracts for reentrancy, integer overflow, access control, delegatecall, flash loan, signature replay, and MEV-related attack patterns.

skills/smart-contract-vulnerabilities/SKILL.md

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# SKILL: Smart Contract Vulnerabilities — Expert Attack Playbook

> **AI LOAD INSTRUCTION**: Expert smart contract audit techniques. Covers reentrancy (single, cross-function, cross-contract, read-only), integer overflow, access control, delegatecall, randomness manipulation, flash loans, signature replay, front-running/MEV, and CREATE2 exploitation. Base models miss subtle cross-contract reentrancy and storage layout collisions in proxy patterns.

## 0. RELATED ROUTING

- [defi-attack-patterns](../defi-attack-patterns/SKILL.md) when the vulnerability is part of a DeFi protocol exploit (flash loans, oracle manipulation, governance attacks)
- [deserialization-insecure](../deserialization-insecure/SKILL.md) when the target is off-chain infrastructure deserializing blockchain data

### Advanced Reference

Also load [SOLIDITY_VULN_PATTERNS.md](./SOLIDITY_VULN_PATTERNS.md) when you need:
- Side-by-side vulnerable vs fixed code patterns for each vulnerability class
- Gas optimization traps that introduce vulnerabilities