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Trail of Bits Skills overview and key facts (October 2026)

Plugin marketplace from security firm Trail of Bits with skills for code audits, vulnerability detection and smart contract security in Claude Code and Codex.

Agent skill or pluginAgent Skills & PluginsClaude skillsVulnerability managementCode review
Free
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What is Trail of Bits Skills?

Trail of Bits Skills is a plugin marketplace of security skills for Claude Code, also loadable in Codex. It helps security engineers and developers audit code, find vulnerabilities and review smart contracts with AI assistance.

The marketplace groups plugins into smart contract security, code auditing and further categories. Examples include a toolkit with vulnerability scanners for six blockchains, an entry-point analyzer, a context-building skill that works through a codebase one function at a time, a C and C++ security review and an auditor for GitHub Actions workflows that use AI agents. Trail of Bits is a security research and consulting firm with a New York mailing address. The repository has more than 7,000 GitHub stars.

Trail of Bits Skills AI features and use cases

  • Reviews C and C++ code for security bugsThe c-review skill guides the agent through a security review with coverage checked against a parse of the source. Development teams get a structured first pass before a human audit.
  • Audits CI workflows that use agentsThe agentic-actions-auditor checks GitHub Actions workflows that run AI agents for security vulnerabilities. Platform teams get findings on agent-related risks in their CI pipelines.
  • Builds understanding of a codebaseThe audit-context-building skill walks through code one function at a time before looking for bugs. Reviewers start an audit with a documented map of the code.

What sets Trail of Bits Skills apart

  • Published by a security research firm, focused on audit workflows.
  • Works in Claude Code and, through marketplace compatibility, in Codex.
  • Licensed under CC BY-SA 4.0.

Where Trail of Bits Skills is strongest

United States Available internationally

Trail of Bits lists a mailing address in New York.

Questions to ask before you buy Trail of Bits Skills

Treat findings as leads that a security engineer confirms, not as a finished audit. Check whether the CC BY-SA 4.0 share-alike terms matter if you adapt and redistribute the skills. Run agents with access to source code only in environments where that code may be processed by your AI provider.

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Questions about Trail of Bits Skills

How do I install the skills?

In Claude Code, run /plugin marketplace add trailofbits/skills and pick plugins from the plugin menu. Codex can load the same marketplace.

What does it cost?

The skills are free. They are licensed under CC BY-SA 4.0.

Does it replace a security audit?

No. The skills support analysts and developers, and results need confirmation by people with security expertise.

Trail of Bits Skills update historyno updates yet

No changes recorded for Trail of Bits Skills yet.

Changes the vendor made and confirmed user reports, each checked against the vendor's own pages. We review every tool monthly.

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