Trail of Bits Skills
Security-focused Claude Code skills from Trail of Bits — secure coding practices, audit checklists, threat modeling templates, and cryptography guidance.
Trail of Bits Skills Marketplace
A Claude Code plugin marketplace from Trail of Bits providing skills to enhance AI-assisted security analysis, testing, and development workflows.
Also see: claude-code-config · skills-curated · claude-code-devcontainer · dropkit
Installation
Claude Code Marketplace
/plugin marketplace add trailofbits/skills
Browse and Install Plugins
/plugin menu
Codex
Codex-native skill discovery is supported via the sidecar .codex/skills/ tree in this repository.
Install with:
git clone https://github.com/trailofbits/skills.git ~/.codex/trailofbits-skills
~/.codex/trailofbits-skills/.codex/scripts/install-for-codex.sh
See .codex/INSTALL.md for additional details.
Local Development
To add the marketplace locally (e.g., for testing or development), navigate to the parent directory of this repository:
cd /path/to/parent # e.g., if repo is at ~/projects/skills, be in ~/projects
/plugins marketplace add ./skills
Available Plugins
Smart Contract Security
| Plugin | Description |
|---|---|
| building-secure-contracts | Smart contract security toolkit with vulnerability scanners for 6 blockchains |
| entry-point-analyzer | Identify state-changing entry points in smart contracts for security auditing |
Code Auditing
| Plugin | Description |
|---|---|
| agentic-actions-auditor | Audit GitHub Actions workflows for AI agent security vulnerabilities |
| audit-context-building | Build deep architectural context through ultra-granular code analysis |
| burpsuite-project-parser | Search and extract data from Burp Suite project files |
| differential-review | Security-focused differential review of code changes with git history analysis |
| dimensional-analysis | Annotate codebases with dimensional analysis comments to detect unit mismatches and formula bugs |
| fp-check | Systematic false positive verification for security bug analysis with mandatory gate reviews |
| insecure-defaults | Detect insecure default configurations, hardcoded credentials, and fail-open security patterns |
| semgrep-rule-creator | Create and refine Semgrep rules for custom vulnerability detection |
| semgrep-rule-variant-creator | Port existing Semgrep rules to new target languages with test-driven validation |
| sharp-edges | Identify error-prone APIs, dangerous configurations, and footgun designs |
| static-analysis | Static analysis toolkit with CodeQL, Semgrep, and SARIF parsing |
| supply-chain-risk-auditor | Audit supply-chain threat landscape of project dependencies |
| testing-handbook-skills | Skills from the Testing Handbook: fuzzers, static analysis, sanitizers, coverage |
| variant-analysis | Find similar vulnerabilities across codebases using pattern-based analysis |
Malware Analysis
| Plugin | Description |
|---|---|
| yara-authoring | YARA detection rule authoring with linting, atom analysis, and best practices |
Verification
| Plugin | Description |
|---|---|
| constant-time-analysis | Detect compiler-induced timing side-channels in cryptographic code |
| property-based-testing | Property-based testing guidance for multiple languages and smart contracts |
| spec-to-code-compliance | Specification-to-code compliance checker for blockchain audits |
| zeroize-audit | Detect missing or compiler-eliminated zeroization of secrets in C/C++ and Rust |
Reverse Engineering
| Plugin | Description |
|---|---|
| dwarf-expert | Interact with and understand the DWARF debugging format |
Mobile Security
| Plugin | Description |
|---|---|
| firebase-apk-scanner | Scan Android APKs for Firebase security misconfigurations |
Development
| Plugin | Description |
|---|---|
| ask-questions-if-underspecified | Clarify requirements before implementing |
| devcontainer-setup | Create pre-configured devcontainers with Claude Code and language-specific tooling |
| gh-cli | Intercept GitHub URL fetches and redirect to the authenticated gh CLI |
| git-cleanup | Safely clean up git worktrees and local branches with gated confirmation workflow |
| let-fate-decide | Draw Tarot cards using cryptographic randomness to add entropy to vague planning |
| modern-python | Modern Python tooling and best practices with uv, ruff, and pytest |
| seatbelt-sandboxer | Generate minimal macOS Seatbelt sandbox configurations |
| second-opinion | Run code reviews using external LLM CLIs (OpenAI Codex, Google Gemini) on changes, diffs, or commits. Bundles Codex's built-in MCP server. |
| skill-improver | Iterative skill refinement loop using automated fix-review cycles |
| workflow-skill-design | Design patterns for workflow-based Claude Code skills with review agent |
Team Management
| Plugin | Description |
|---|---|
| culture-index | Interpret Culture Index survey results for individuals and teams |
Tooling
| Plugin | Description |
|---|---|
| claude-in-chrome-troubleshooting | Diagnose and fix Claude in Chrome MCP extension connectivity issues |
Infrastructure
| Plugin | Description |
|---|---|
| debug-buttercup | Debug Buttercup Kubernetes deployments |
Trophy Case
Bugs discovered using Trail of Bits Skills. Found something? Let us know!
When reporting bugs you've found, feel free to mention:
Found using Trail of Bits Skills
| Skill | Bug |
|---|---|
| constant-time-analysis | Timing side-channel in ML-DSA signing |
Contributing
We welcome contributions! Please see CLAUDE.md for skill authoring guidelines.
License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Made by Trail of Bits.
More Skills
ECC Frontend Patterns
React and Next.js component patterns skill from everything-claude-code — Tailwind utility conventions, accessibility checklists, and composable UI architecture.
Claude Code Video Toolkit
AI-native video production toolkit for Claude Code by DigitalSamba. Programmatically generate and orchestrate video.
Marketing Skills
Corey Haines' collection of AI agent skills for marketing professionals — conversion rate optimization, copywriting, SEO, analytics, growth engineering, and pricing strategy, all as drop-in Claude Code skills.