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https://github.com/trailofbits/skills
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Lixin2026
d5fe2e6a78
* feat(codex): add skill UI metadata * Use official Trail of Bits logo * fix: resolve code review findings for PR #175 Codex silently drops the icons as authored: its loader (codex-rs/core-skills resolve_asset_path) requires icon paths containing '..' to resolve under <plugin_root>/assets/, and the repo-root .codex/assets location fails that containment check. Verified empirically via codex app-server plugin/read: every iconSmall/iconLarge came back null; only brand_color applied. P1 fixed: - Vendor trail-of-bits-mark.svg into plugins/<name>/assets/ for all 38 plugins with skills and point every openai.yaml at ../../assets/trail-of-bits-mark.svg (the supported plugin-level shared asset pattern). Icons now resolve for marketplace installs too, since nothing escapes the plugin root. - Drop the .codex/ additions: .codex/skills/gh-cli/agents/ openai.yaml resolved nowhere (.codex/skills is not a Codex discovery root) and PR #173 removes the whole .codex/ tree P2 fixed: - Patch-bump all 38 touched plugins in plugin.json and marketplace.json so installed clients pick up the metadata Verified: - Static check replicating Codex's resolution algorithm: all 73 yaml files resolve under their plugin assets/ and exist - Live codex app-server probe: 71/72 loadable skills report resolved iconSmall/iconLarge and brand_color #D83A34 (claude-in-chrome-troubleshooting fails to load on main due to a pre-existing 64-char qualified-name limit, fixed by #173's rename; zeroize-audit's manifest mcpServers object is likewise a pre-existing Codex incompatibility fixed by #173) - validate_codex_skills.py, validate_plugin_metadata.py, prek all pass Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * fix(codex): use skill-local icon assets --------- Co-authored-by: Dan Guido <dan@trailofbits.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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. Codex can load this marketplace through its Claude marketplace compatibility.
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 supports Claude plugin marketplaces directly, so this repository does not need Codex-specific sidecar metadata.
Install the marketplace with:
codex plugin marketplace add trailofbits/skills
codex plugin list
codex plugin add <plugin-name>@trailofbits
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 |
| c-review | Comprehensive C/C++ security review with clustered parallel workers and SARIF output |
| 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 |
| trailmark | Code graph analysis, Mermaid diagrams, mutation testing triage, and protocol verification |
| 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 |
| mutation-testing | Configure mewt/muton mutation testing campaigns — scope targets, tune timeouts, optimize long runs |
| 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.