Repository

trailofbits/skills agent skills

Every skill in the trailofbits/skills repository on GitHub, ranked by score, with the commands to install them.
skills
79
official
79
GitHub stars
7.4k
Official

GitHub description: “Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows”

Stars
7,400 (633 forks)
Licence
CC-BY-SA-4.0
Last push
Oct 2026
Created
Jan 2026
  • agent-skills

Install all skills

skills CLI (any agent)
npx skills add trailofbits/skills

Add --skill <name> for a single skill and -a <agent> to choose the agent (see the agent guides).

Skills in trailofbits/skills, ranked

Ranked by score. Sort bymost stars,trending,newest,recently updated

Skills in trailofbits/skills, ranked
#SkillRepositoryStarsUsed inTokensAuto-checkLicenceUpdated
1

Scans a codebase for vulnerabilities with CodeQL's data flow and taint tracking in run-all or important-only modes, including data extensions for project-specific sources and sinks.

trailofbits/skills7.4k—~4.6kAutomated safety check: NotesCC-BY-SA-4.05 days ago
2

Generates Mermaid diagrams from Trailmark code graphs, including call graphs, class hierarchies, module dependency maps, complexity heatmaps and attack surface data flows.

trailofbits/skills7.4k—~1.7kAutomated safety check: PassCC-BY-SA-4.05 days ago
3

Compares Trailmark code graphs at two snapshots, such as commits, tags or directories, to surface attack paths, blast radius and taint changes that text diffs miss.

trailofbits/skills7.4k—~3.4kAutomated safety check: PassCC-BY-SA-4.05 days ago
4
4.Let Fate DecideOfficial

Draws a 12 Houses tarot spread to break ties when a request is vague or casually delegated, then reads the cards to pick the next step.

trailofbits/skills7.4k—~2.5kAutomated safety check: NotesCC-BY-SA-4.05 days ago
5

Detects languages, proposes rulesets for approval, then runs the approved Semgrep scan across a codebase and merges the output into one SARIF file.

trailofbits/skills7.4k—~3.7kAutomated safety check: NotesCC-BY-SA-4.05 days ago
6

Searches and extracts data from Burp Suite project files on the command line: regex searches over responses, audit findings, proxy history and site map data.

trailofbits/skills7.4k3 repos~4.2kAutomated safety check: NotesCC-BY-SA-4.05 days ago
7

Picks a small, graph-based slice of source with Trailmark and hands a focused code task to a smaller or local model without exposing the whole repository.

trailofbits/skills7.4k—~2.1kAutomated safety check: PassCC-BY-SA-4.05 days ago
8

Walks a repository through release readiness before it goes public: secrets audit, licensing, documentation, CI and language-specific packaging.

trailofbits/skills7.4k—~2.6kAutomated safety check: PassCC-BY-SA-4.05 days ago
9

Creates custom Semgrep rules for detecting security vulnerabilities, bug patterns, and code patterns.

trailofbits/skills7.4k6 repos~1.8kAutomated safety check: NotesCC-BY-SA-4.05 days ago
10

Creates language variants of existing Semgrep rules. An agent skill from trailofbits/skills.

trailofbits/skills7.4k5 repos~3.4kAutomated safety check: NotesCC-BY-SA-4.05 days ago
11

Statically audits GitHub Actions workflows that run AI coding agents, tracing attacker-controlled input to agent prompts and flagging unsafe sandbox, trigger and allowlist settings.

trailofbits/skills7.4k6 repos~5.4kAutomated safety check: NotesCC-BY-SA-4.05 days ago
12

Tests a security patch against the original bug, its variants and normal behavior, with reproducible baseline-versus-patched evidence before you merge or call it fixed.

trailofbits/skills7.4k—~3.8kAutomated safety check: NotesCC-BY-SA-4.05 days ago
13

Creates devcontainers with Claude Code, language-specific tooling (Python/Node/Rust/Go), and persistent volumes.

trailofbits/skills7.4k3 repos~2kAutomated safety check: PassCC-BY-SA-4.05 days ago
14

Reviews APIs, configuration schemas and library interfaces for footguns, the designs where the easy path leads to insecure use, using a four-phase analysis.

trailofbits/skills7.4k3 repos~3kAutomated safety check: PassCC-BY-SA-4.05 days ago
15

Finds sensitive data that C, C++ or Rust code never wipes from memory, including wipes the compiler optimizes away, using source, assembly and control-flow analysis.

trailofbits/skills7.4k4 repos~5.9kAutomated safety check: NotesCC-BY-SA-4.05 days ago
16

Diagnoses why the Claude in Chrome MCP tools report the browser extension as not connected, with macOS-specific checks and a fix for the Claude.app native host conflict.

trailofbits/skills7.4k3 repos~2.6kAutomated safety check: PassCC-BY-SA-4.05 days ago
17
17.Sarif ParsingOfficial

Parses and processes SARIF files from static analysis tools like CodeQL, Semgrep, or other scanners.

trailofbits/skills7.4k3 repos~4.4kAutomated safety check: NotesCC-BY-SA-4.05 days ago
18

Interprets Culture Index surveys and behavioral profiles, from single-person readings to team composition, burnout risk, hiring profiles and interview analysis.

trailofbits/skills7.4k—~3.6kAutomated safety check: NotesCC-BY-SA-4.05 days ago
19
19.Fp CheckOfficial

Systematically verifies suspected security bugs to eliminate false positives, producing a TRUE POSITIVE or FALSE POSITIVE verdict with documented evidence for each.

trailofbits/skills7.4k2 repos~1.7kAutomated safety check: NotesCC-BY-SA-4.05 days ago
20

Audits a project's dependencies for supply-chain risk: version-matched advisories for direct dependencies and the full lockfile tree, abandoned or archived upstreams, npm publisher concentration…

trailofbits/skills7.4k—~1.7kAutomated safety check: NotesCC-BY-SA-4.05 days ago
21

Maps the state-changing entry points of a smart contract codebase and sorts them by access level, producing a structured audit report that leaves out read-only functions.

trailofbits/skills7.4k1 repo~2.4kAutomated safety check: NotesCC-BY-SA-4.05 days ago
22

Guides writing, reviewing and tuning YARA-X malware detection rules, covering string selection, performance, false-positive reduction and migration from legacy YARA.

trailofbits/skills7.4k—~5.9kAutomated safety check: PassCC-BY-SA-4.05 days ago
23

Guides writing and improving fuzzing harnesses for C, C++ and Rust so random byte input gets translated into structured, reproducible test cases for the target code.

trailofbits/skills7.4k1 repo~5.3kAutomated safety check: PassCC-BY-SA-4.05 days ago
24

Overlays SARIF results, weAudit annotations and binary-analysis exports onto a Trailmark code graph so each finding can be read next to blast radius and taint data.

trailofbits/skills7.4k—~2.3kAutomated safety check: PassCC-BY-SA-4.05 days ago
25

Compiles cryptographic code and inspects the assembly or bytecode for variable-time instructions, then triages which flagged operations actually touch secrets.

trailofbits/skills7.4k—~3.3kAutomated safety check: NotesCC-BY-SA-4.05 days ago
26

Turns a cryptographic protocol's source code, RFC, paper or ProVerif or Tamarin model into a Mermaid sequence diagram annotated with each cryptographic operation.

trailofbits/skills7.4k—~4.6kAutomated safety check: PassCC-BY-SA-4.05 days ago
27

Annotates a codebase with unit, dimension and decimal-scaling comments to expose mismatches and formula bugs in DeFi, financial and scientific arithmetic.

trailofbits/skills7.4k—~4.5kAutomated safety check: PassCC-BY-SA-4.05 days ago
28

Scans Android APKs for Firebase security misconfigurations such as open databases, storage buckets, weak authentication and exposed cloud functions, for authorized testing only.

trailofbits/skills7.4k—~1.8kAutomated safety check: PassCC-BY-SA-4.05 days ago
29

Triages survived mutants and unnecessary test statements using Trailmark call-graph data, sorting them into false positives, missing unit tests and fuzzing targets.

trailofbits/skills7.4k—~3.2kAutomated safety check: PassCC-BY-SA-4.05 days ago
30

Drafts a single-line /goal command for Claude Code or Codex goal mode, built around a checkable end state, a stated verification command and a stop condition.

trailofbits/skills7.4k—~1.5kAutomated safety check: NotesCC-BY-SA-4.05 days ago
31

Converts a Mermaid sequence diagram of a cryptographic protocol into a ProVerif model file ready for checking secrecy, authentication and forward secrecy.

trailofbits/skills7.4k—~4.5kAutomated safety check: PassCC-BY-SA-4.05 days ago
32

Sets up Python projects and standalone scripts with uv, ruff, ty, pytest and prek, and helps move existing projects off pip, Poetry, mypy and black.

trailofbits/skills7.4k—~2.5kAutomated safety check: PassCC-BY-SA-4.05 days ago
33

Routes mutation testing work with mewt or muton to the right workflow: configuring a campaign, hunting bugs in untested code, or reporting on surviving mutants.

trailofbits/skills7.4k—~1.5kAutomated safety check: NotesCC-BY-SA-4.05 days ago
34

Runs an independent review of uncommitted changes, a branch diff or one commit through the Codex or Antigravity CLI, or both, and reports their findings.

trailofbits/skills7.4k—~1.3kAutomated safety check: NotesCC-BY-SA-4.05 days ago
35

Builds a code graph of functions, classes and calls across languages, then queries it for call paths, taint, blast radius, entry points and complexity hotspots.

trailofbits/skills7.4k—~4.3kAutomated safety check: PassCC-BY-SA-4.05 days ago
36

Compares before and after Trailmark graphs of a branch, pull request or release diff to flag new entry points, tainted paths, removed validation and other structural security regressions.

trailofbits/skills7.4k—~1.1kAutomated safety check: NotesCC-BY-SA-4.05 days ago
37

Uses mutation testing on cryptographic implementations to find coverage gaps, then writes new test vectors for the uncovered paths and compares kill rates to show they help.

trailofbits/skills7.4k—~4.8kAutomated safety check: PassCC-BY-SA-4.05 days ago
38

Steers C++ code toward C++20, C++23 and C++26 idioms such as smart pointers, concepts, std::expected and std::print, with a security focus.

trailofbits/skills7.4k—~2.2kAutomated safety check: PassCC-BY-SA-4.05 days ago
39

Screens vulnerability reports, CVEs and automated findings against seven rules of thumb to accept, dismiss or ask for more information before any deep analysis.

trailofbits/skills7.4k—~2.2kAutomated safety check: PassCC-BY-SA-4.05 days ago
40

Structures Lean 4 proofs and library design along Mathlib conventions, from stating theorems to refactoring long tactic proofs and fixing slow or timing-out ones.

trailofbits/skills7.4k—~4kAutomated safety check: PassCC-BY-SA-4.05 days ago
41

Scans Solana programs for 6 critical vulnerabilities including arbitrary CPI, improper PDA validation, missing signer/ownership checks, and sysvar spoofing.

trailofbits/skills7.4k—~3.6kAutomated safety check: PassCC-BY-SA-4.05 days ago
42

Scans Algorand TEAL and PyTeal contracts for 11 known vulnerability patterns, such as unchecked rekeying and fees, and reports each with severity and a fix.

trailofbits/skills7.4k—~3.1kAutomated safety check: PassCC-BY-SA-4.05 days ago
43

Gets your own codebase ready for an external security review: sets review goals, runs static analysis, raises test coverage, removes dead code and writes documentation.

trailofbits/skills7.4k—~2.5kAutomated safety check: PassCC-BY-SA-4.05 days ago
44

Scans Cairo and StarkNet contracts for 6 vulnerability patterns, including felt252 overflow, L1 to L2 messaging faults, address conversion and signature replay.

trailofbits/skills7.4k—~3.3kAutomated safety check: PassCC-BY-SA-4.05 days ago
45

Sets up cargo-fuzz for a Cargo-based Rust project: nightly toolchain, fuzz targets, structured inputs, sanitizers, coverage and reproducing crashes.

trailofbits/skills7.4k—~2.9kAutomated safety check: PassCC-BY-SA-4.05 days ago
46

Scores a smart contract or blockchain codebase across 9 maturity categories with evidence, then delivers a scorecard and a priority-ordered improvement roadmap.

trailofbits/skills7.4k—~1.8kAutomated safety check: PassCC-BY-SA-4.05 days ago
47

Scans Cosmos SDK modules and CosmWasm contracts for consensus-critical flaws that can halt a chain, lose funds or diverge state, using parallel scanning agents.

trailofbits/skills7.4k—~2.7kAutomated safety check: PassCC-BY-SA-4.05 days ago
48

Reviews a pull request, commit or diff for security problems, using git history, caller counts and test coverage, and writes a markdown report.

trailofbits/skills7.4k—~1.8kAutomated safety check: NotesCC-BY-SA-4.05 days ago

Questions, answered from the data.

What is the best skill in trailofbits/skills?

CodeQL Security Scan (official) from trailofbits/skills ranks first of the 79 skills in trailofbits/skills listed here, with the highest score: its repository has 7.4k GitHub stars, its SKILL.md loads about 4.6k tokens and it has informational notes only in the automated safety check. Next come Code Graph Mermaid Diagrams and Trailmark Graph Evolution.

Are the skills in trailofbits/skills official?

79 of the 79 skills in trailofbits/skills are official, published by the vendor's own GitHub organization: CodeQL Security Scan, Code Graph Mermaid Diagrams, Trailmark Graph Evolution, Let Fate Decide, Semgrep Security Scan and 74 more.

How do I install all skills from trailofbits/skills?

Run npx skills add trailofbits/skills in your project: the open-source skills CLI installs the repository's skills into your coding agent's skills folder. To install a single skill, open its page here for the exact command.

How are these skills ranked?

By Skill Navigator score, which combines the GitHub stars of the skill's repository (shared across that repo's skills and discounted for large collections), how many other GitHub owners carry a copy of the skill, and automated SKILL.md quality checks, minus penalties for safety-check warnings and for each further skill from the same repository. Skills that fail the safety check are not listed.