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Smart Contract Auditor

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Reviews Solidity and Vyper smart contracts for security vulnerabilities, gas optimization opportunities, and best practice compliance following industry audit standards.

By Community 5,800 stars v1.1.0 Updated 2026-03-10
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About This Skill

Smart Contract Auditor performs comprehensive security reviews of Solidity and Vyper smart contracts. It checks for known vulnerability patterns, gas inefficiencies, and deviations from best practices — producing structured audit reports with severity ratings and remediation guidance.

How It Works

  1. Code ingestion — Reads Solidity/Vyper source files including imported dependencies and interfaces
  2. Vulnerability scanning — Checks for reentrancy, integer overflow/underflow, unchecked external calls, front-running risks, and access control issues
  3. Gas analysis — Identifies gas-heavy patterns (storage reads in loops, redundant SLOADs, unoptimized data types)
  4. Standard compliance — Verifies ERC standard implementations for missing functions, incorrect return values, or event emissions
  5. Report generation — Produces a findings report categorized by severity (Critical, High, Medium, Low, Informational)

Best For

  • DeFi teams preparing contracts for professional audit
  • Developers doing self-review before submitting to audit firms
  • Educational review of smart contract security patterns
  • Quick security checks on forked or modified protocol code

Scope and Limitations

This is a static analysis tool that catches common vulnerability patterns. It does not replace a professional audit from firms like Trail of Bits, OpenZeppelin, or Consensys Diligence. Complex business logic vulnerabilities, economic exploits, and cross-contract interaction risks require human expert analysis.

Use Cases

  • Pre-audit review of DeFi protocol smart contracts
  • Identifying reentrancy, overflow, and access control vulnerabilities
  • Gas optimization analysis for frequently called functions
  • Checking ERC-20/ERC-721/ERC-1155 standard compliance
  • Reviewing upgrade proxy patterns for storage collision risks

Pros & Cons

Pros

  • +Covers major Solidity vulnerability categories
  • +Gas optimization suggestions for cost reduction
  • +Structured severity-rated audit reports
  • +ERC standard compliance verification

Cons

  • -Static analysis only — cannot catch all runtime vulnerabilities
  • -Does not replace professional audit firms for mainnet deployments
  • -Complex cross-contract and economic exploits require human expert review

FAQ

What does Smart Contract Auditor do?
Reviews Solidity and Vyper smart contracts for security vulnerabilities, gas optimization opportunities, and best practice compliance following industry audit standards.
What platforms support Smart Contract Auditor?
Smart Contract Auditor is available on Claude Code, Cursor, OpenAI Codex CLI.
What are the use cases for Smart Contract Auditor?
Pre-audit review of DeFi protocol smart contracts. Identifying reentrancy, overflow, and access control vulnerabilities. Gas optimization analysis for frequently called functions.

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Next Step

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