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Francesco Bertolaccini
555dbd6068
Adds the `diataxis` plugin: a skill and an eleven-agent dynamic workflow that
generates a four-quadrant documentation set, with the reference quadrant
produced by a real generator (Sphinx, Doxygen, rustdoc, TypeDoc) rather than
hand-written beside the code.
Also adds an eval suite under `evals/` — four fire cases and two should-NOT-fire
cases, run with `--ablation with-without` to measure uplift over an unaided
model. Full run at runs=3: mean Δ +0.26.
The suite establishes two things worth recording:
- When the skill fires, it delivers. `reference-generator-scaffolded` and
`doc-comments-in-source` pass on every fired run and on none of the nine
baseline runs; all four quadrants land in 9/9 fired runs.
- The trigger is unreliable. The parameterized form ("Document the parser
package and put the output in website/content") fired 0/3 despite being the
usage the README advertises, and the explicit form fired 2/3. Prompts that
state a need rather than name the framework fired 3/3.
Fire-case prompts explicitly authorize workflows and subagents, because eval
agents otherwise decline to use them and the plugin's only real path never
runs. Eval run output is gitignored; the cases are tracked.
Co-Authored-By: Claude Opus 5 <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 · codex-config · skills-curated · claude-code-devcontainer · dropkit · coop
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 | Understand a codebase before looking for bugs in it, one function at a time |
| 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 | Parallel audit workflow for fail-open insecure defaults, with a refuting verifier per candidate file |
| rust-review | Comprehensive Rust security review covering safe/unsafe boundary, memory safety, concurrency, panic-DoS, FFI, and async runtime with SARIF output |
| 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 npm, PyPI, and Go dependencies for version-matched advisories, abandoned upstreams, publisher concentration, and install scripts |
| testing-handbook-skills | Skills from the Testing Handbook: fuzzers, static analysis, sanitizers, coverage |
| trailmark | Code graph analysis, bounded subagent context slicing, Mermaid diagrams, mutation testing triage, and protocol verification |
| variant-analysis | Find similar vulnerabilities across codebases using pattern-based analysis |
| vulnerability-triage-brocards | Triage vulnerability reports using 7 brocards to accept, dismiss, or request more info before deeper 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 | Write, review, and triage property-based tests — Hypothesis, fast-check, proptest, and Echidna or Medusa for Solidity invariants |
| spec-to-code-compliance | Check code against the documentation that specifies it, across contracts, C/C++, services, and firmware |
| writing-lean-proofs | Write structured Lean 4 proofs and design Lean libraries following Mathlib conventions |
| zeroize-audit | Detect missing or compiler-eliminated zeroization of secrets in C/C++ and Rust |
Reverse Engineering
| Plugin | Description |
|---|---|
| dwarf-expert | Analyze DWARF debug info: parse and search DIEs, verify integrity, write DWARF parsing code |
Mobile Security
| Plugin | Description |
|---|---|
| firebase-apk-scanner | Scan Android APKs for Firebase security misconfigurations |
Development
| Plugin | Description |
|---|---|
| devcontainer-setup | Create pre-configured devcontainers with Claude Code and language-specific tooling |
| diataxis | Generate a Diátaxis-structured documentation set — tutorials, how-to guides, generated code reference, and explanation — via an eleven-agent dynamic workflow |
| 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 |
| goal-prompt | Draft /goal commands for goal mode in Claude Code and Codex — verifiable completion conditions formatted to a copy-ready single line |
| github-triage | Triage open GitHub issues and PRs: merge ready bot/approved PRs, review unreviewed ones via subagents, close resolved issues with cited comments, cross-link pending fixes, and score the rest with local-only priority and change-size estimates |
| 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 |
| open-sourcing | Prepare a repository for public release: secrets hygiene, licensing, CI readiness, and release automation |
| 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 |
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 |
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! See AGENTS.md for skill authoring guidelines, and
run make check before you push — it runs most of CI locally (see AGENTS.md for
what it does not cover).
License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Made by Trail of Bits.