Guidelines Advisor
Trail of BitsOfficialPublished by Trail of Bits
- Skill
- Review and audit
- Security
- CC-BY-SA-4.0
- No issues found
AutoGineer summary
Written by AutoGineer from the skill’s own files, not by the author
Guidelines Advisor provides a systematic analysis of smart contract projects based on established development guidelines. It evaluates codebase architecture, implementation quality, and testing strategies to generate documentation, identify potential pitfalls, and provide prioritized improvement recommendations. The advisor covers 11 assessment areas, including documentation, on-chain/off-chain computation, upgradeability, proxy patterns, function composition, inheritance, events, common pitfalls, dependencies, testing, and platform-specific guidance.
What it does
- Generates plain English system descriptions and architectural documentation.
- Reviews upgradeability patterns and delegatecall proxy implementations.
- Assesses implementation quality including function composition, inheritance, and event logging.
- Identifies common security pitfalls and evaluates dependency management.
- Analyzes test suite coverage and suggests improvements.
- Provides prioritized recommendations categorized by urgency.
When to use it
- When evaluating if a smart contract project follows established development guidelines.
- When reviewing the architecture of on-chain and off-chain components.
- When assessing the security and implementation of upgradeability or proxy patterns.
- When seeking actionable feedback on contract design, inheritance, or testing strategies.
Advantages
- Provides project-specific findings with direct file and line references.
- Systematically covers 11 distinct areas of smart contract development.
- Offers a structured, prioritized roadmap for improvements.
- Adapts analysis based on the specific platform and project context.
Usage examples
- “Review my smart contract project for adherence to best practices regarding upgradeability and proxy patterns.”
- The agent will analyze the codebase for delegatecall usage, storage layout consistency, and initialization patterns, providing a report on potential risks and improvements.
- “Analyze my current test suite and suggest improvements for better coverage.”
- The agent will evaluate existing test files, identify gaps in coverage, and recommend techniques like fuzzing or formal verification.
Install
Download the skill as a ZIP:
https://mp-staging.autogineer.com/agent-skills/trailofbits/guidelines-advisor/downloadUnzip it into the cross-client skills folder of your project:
mkdir -p .agents/skills && unzip guidelines-advisor.zip -d .agents/skills
Documentation by Trail of Bits
Guidelines Advisor
Purpose
Systematically analyzes the codebase and provides guidance based on Trail of Bits' development guidelines:
Generate documentation and specifications (plain English descriptions, architectural diagrams, code documentation)
Optimize on-chain/off-chain architecture (only if applicable)
Review upgradeability patterns (if your project has upgrades)
Check delegatecall/proxy implementations (if present)
Assess implementation quality (functions, inheritance, events)
Identify common pitfalls
Review dependencies
Evaluate test suite and suggest improvements
Framework: Building Secure Contracts - Development Guidelines
How This Works
Phase 1: Discovery & Context
Explores the codebase to understand:
Project structure and platform
Contract/module files and their purposes
Existing documentation
Architecture patterns (proxies, upgrades, etc.)
Testing setup
Dependencies
Phase 2: Documentation Generation
Helps create:
Plain English system description
Architectural diagrams (using Slither printers for Solidity)
Code documentation recommendations (NatSpec for Solidity)
Phase 3: Architecture Analysis
Analyzes:
On-chain vs off-chain component distribution (if applicable)
Upgradeability approach (if applicable)
Delegatecall proxy patterns (if present)
Phase 4: Implementation Review
Assesses:
Function composition and clarity
Inheritance structure
Event logging practices
Common pitfalls presence
Dependencies quality
Testing coverage and techniques
Phase 5: Recommendations
Provides:
Prioritized improvement suggestions
Best practice guidance
Actionable next steps
Assessment Areas
I analyze 11 comprehensive areas covering all aspects of smart contract development. For detailed criteria, best practices, and specific checks, see ASSESSMENT_AREAS.md.
Quick Reference:
Documentation & Specifications
Plain English system descriptions
Architectural diagrams
NatSpec completeness (Solidity)
Documentation gaps identification
On-Chain vs Off-Chain Computation
Complexity analysis
Gas optimization opportunities
Verification vs computation patterns
Upgradeability
Migration vs upgradeability trade-offs
Data separation patterns
Upgrade procedure documentation
Delegatecall Proxy Pattern
Storage layout consistency
Initialization patterns
Function shadowing risks
Slither upgradeability checks
Function Composition
Function size and clarity
Logical grouping
Modularity assessment
Inheritance
Hierarchy depth/width
Diamond problem risks
Inheritance visualization
Events
Critical operation coverage
Event naming consistency
Indexed parameters
Common Pitfalls
Reentrancy patterns
Integer overflow/underflow
Access control issues
Platform-specific vulnerabilities
Dependencies
Library quality assessment
Version management
Dependency manager usage
Copied code detection
Testing & Verification
Coverage analysis
Fuzzing techniques
Formal verification
CI/CD integration
Platform-Specific Guidance
Solidity version recommendations
Compiler warning checks
Inline assembly warnings
Platform-specific tools
For complete details on each area including what I'll check, analyze, and recommend, see ASSESSMENT_AREAS.md.
Example Output
When the analysis is complete, you'll receive comprehensive guidance covering:
System documentation with plain English descriptions
Architectural diagrams and documentation gaps
Architecture analysis (on-chain/off-chain, upgradeability, proxies)
Implementation review (functions, inheritance, events, pitfalls)
Dependencies and testing evaluation
Prioritized recommendations (CRITICAL, HIGH, MEDIUM, LOW)
Overall assessment and path to production
For a complete example analysis report, see EXAMPLE_REPORT.md.
Deliverables
I provide four comprehensive deliverable categories:
1. System Documentation
Plain English descriptions
Architectural diagrams
Documentation gaps analysis
2. Architecture Analysis
On-chain/off-chain assessment
Upgradeability review
Proxy pattern security review
3. Implementation Review
Function composition analysis
Inheritance assessment
Events coverage
Pitfall identification
Dependencies evaluation
Testing analysis
4. Prioritized Recommendations
CRITICAL (address immediately)
HIGH (address before deployment)
MEDIUM (address for production quality)
LOW (nice to have)
For detailed templates and examples of each deliverable, see DELIVERABLES.md.
Assessment Process
When invoked, I will:
Explore the codebase
Identify all contract/module files
Find existing documentation
Locate test files
Check for proxies/upgrades
Identify dependencies
Generate documentation
Create plain English system description
Generate architectural diagrams (if tools available)
Identify documentation gaps
Analyze architecture
Assess on-chain/off-chain distribution (if applicable)
Review upgradeability approach (if applicable)
Audit proxy patterns (if present)
Review implementation
Analyze functions, inheritance, events
Check for common pitfalls
Assess dependencies
Evaluate testing
Provide recommendations
Present findings with file references
Ask clarifying questions about design decisions
Suggest prioritized improvements
Offer actionable next steps
Rationalizations (Do Not Skip)
| Rationalization | Why It's Wrong | Required Action |
|---|---|---|
| "System is simple, description covers everything" | Plain English descriptions miss security-critical details | Complete all 5 phases: documentation, architecture, implementation, dependencies, recommendations |
| "No upgrades detected, skip upgradeability section" | Upgradeability can be implicit (ownable patterns, delegatecall) | Search for proxy patterns, delegatecall, storage collisions before declaring N/A |
| "Not applicable" without verification | Premature scope reduction misses vulnerabilities | Verify with explicit codebase search before skipping any guideline section |
| "Architecture is straightforward, no analysis needed" | Obvious architectures have subtle trust boundaries | Analyze on-chain/off-chain distribution, access control flow, external dependencies |
| "Common pitfalls don't apply to this codebase" | Every codebase has common pitfalls | Systematically check all guideline pitfalls with grep/code search |
| "Tests exist, testing guideline is satisfied" | Test existence ≠ test quality | Check coverage, property-based tests, integration tests, failure cases |
| "I can provide generic best practices" | Generic advice isn't actionable | Provide project-specific findings with file:line references |
| "User knows what to improve from findings" | Findings without prioritization = no action plan | Generate prioritized improvement roadmap with specific next steps |
Notes
I'll only analyze relevant sections (won't hallucinate about upgrades if not present)
I'll adapt to your platform (Solidity, Rust, Cairo, etc.)
I'll use available tools (Slither, etc.) but work without them if unavailable
I'll provide file references and line numbers for all findings
I'll ask questions about design decisions I can't infer from code
Ready to Begin
What I'll need:
Access to your codebase
Context about your project goals
Any existing documentation or specifications
Information about deployment plans
Let's analyze your codebase and improve it using Trail of Bits' best practices!
Files
- ATTRIBUTION.mdAdded by AutoGineer955 B
- LICENSELicence file added by AutoGineer19.7 KiB
- SKILL.md8.5 KiB
- agents/openai.yaml258 B
- assets/trail-of-bits-mark.svg3.0 KiB
- resources/ASSESSMENT_AREAS.md7.8 KiB
- resources/DELIVERABLES.md2.3 KiB
- resources/EXAMPLE_REPORT.md8.2 KiB
Requirements and compatibility
Works with: Claude Code, Claude apps, OpenAI Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode, Goose, Amp, Roo Code, JetBrains Junie, Factory Droid, Devin (ex-Windsurf), Mistral Vibe, OpenHands, Letta
“Works with” means the tool reads the open Agent Skills format; a skill written for one tool may use features others lack.
Security
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Attribution and licence
- Published by
- Trail of Bits
- Publisher
- Trail of Bits (Official)
- Source
- trailofbits/skills · plugins/building-secure-contracts/skills/guidelines-advisor · commit e4dd0bb
- Licence
- Creative Commons Attribution-ShareAlike 4.0 International (redistribution allowed)
- LICENSE (added by AutoGineer from LICENSE)
- ATTRIBUTION.md (written by AutoGineer)
- Synced
AutoGineer is not affiliated with or endorsed by Trail of Bits.
Download ZIP
The ZIP holds the skill’s files, its licence files and an ATTRIBUTION.md. Download guidelines-advisor.zip