Systematic code maturity assessment using Trail of Bits' 9-category framework. Analyzes codebase for arithmetic safety, auditing practices, access controls, complexity, decentralization, documentation, MEV risks, low-level code, and testing. Produces professional scorecard with evidence-based ratings and actionable recommendations.
View on GitHubFebruary 1, 2026
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npx add-skill https://github.com/trailofbits/skills/blob/main/plugins/building-secure-contracts/skills/code-maturity-assessor/SKILL.md -a claude-code --skill code-maturity-assessorInstallation paths:
.claude/skills/code-maturity-assessor/# Code Maturity Assessor ## Purpose Systematically assesses codebase maturity using Trail of Bits' 9-category framework. Provides evidence-based ratings and actionable recommendations. **Framework**: Building Secure Contracts - Code Maturity Evaluation v0.1.0 --- ## How This Works ### Phase 1: Discovery Explores the codebase to understand: - Project structure and platform - Contract/module files - Test coverage - Documentation availability ### Phase 2: Analysis For each of 9 categories, I'll: - **Search the code** for relevant patterns - **Read key files** to assess implementation - **Present findings** with file references - **Ask clarifying questions** about processes I can't see in code - **Determine rating** based on criteria ### Phase 3: Report Generates: - Executive summary - Maturity scorecard (ratings for all 9 categories) - Detailed analysis with evidence - Priority-ordered improvement roadmap --- ## Rating System - **Missing (0)**: Not present/not implemented - **Weak (1)**: Several significant improvements needed - **Moderate (2)**: Adequate, can be improved - **Satisfactory (3)**: Above average, minor improvements - **Strong (4)**: Exceptional, only small improvements possible **Rating Logic**: - ANY "Weak" criteria → **Weak** - NO "Weak" + SOME "Moderate" unmet → **Moderate** - ALL "Moderate" + SOME "Satisfactory" met → **Satisfactory** - ALL "Satisfactory" + exceptional practices → **Strong** --- ## The 9 Categories I assess 9 comprehensive categories covering all aspects of code maturity. For detailed criteria, analysis approaches, and rating thresholds, see [ASSESSMENT_CRITERIA.md](resources/ASSESSMENT_CRITERIA.md). ### Quick Reference: **1. ARITHMETIC** - Overflow protection mechanisms - Precision handling and rounding - Formula specifications - Edge case testing **2. AUDITING** - Event definitions and coverage - Monitoring infrastructure - Incident response planning **3. AUTHENTICATION / ACCESS CONTROLS** - Privilege management -