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Trail of Bits Differential Review

Security review of a PR or diff: blast radius, regressions and untested changes.

Official vendorby Trail of BitsChecked October 18, 2026

A Trail of Bits skill for security-focused review of code changes. It scales its depth to the codebase, uses git history for context and checks what else a change might break.

Who it is for

  • Security engineers
  • Senior developers
  • Code reviewers

Prompts to try

Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.

Prompt 1
Do a security review of this pull request
Prompt 2
Does this commit reintroduce the auth bug we fixed in March?
Prompt 3
What could this change break, and is it tested?

How to install it

In Claude Code

  1. /plugin marketplace add trailofbits/skills
  2. /plugin install differential-review@trailofbits

In Claude.ai

Not practical in Claude.ai because the skill drives local command-line tools, so use Claude Code.

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How we checked it

Confirmed SKILL.md at plugins/differential-review/skills/differential-review/SKILL.md in trailofbits/skills via the GitHub API; skill folder last changed 2026-09-16, repo has 7,620 stars and was pushed 2026-10-15.

Source: github.com/trailofbits/skills/tree/main/plugins/differential-review/skills/differential-review

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