Agent Skills

Trusted skills for AI agents from official vendors and established maintainers. Every skill is attributed to its author, scanned, and comes with install steps for your AI tool.

Connect your AI tool (MCP)

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5813 skills

  • Constant Time Analysis

    Trail of BitsOfficial

    Detect timing side-channel vulnerabilities in cryptographic code by analyzing assembly and bytecode for variable-time operations.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Low riskGitHub stars of the source repository8.1k
  • Supply Chain Risk Auditor

    Trail of BitsOfficial

    Automated supply-chain risk assessment for npm, PyPI, and Go project dependencies.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Low riskHas scriptsGitHub stars of the source repository8.1k
  • Harness Writing

    Trail of BitsOfficial

    Design and optimize fuzzing harnesses for C/C++ and Rust to improve code coverage and bug detection.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Entry Point Analyzer

    Trail of BitsOfficial

    Systematically identify and categorize state-changing entry points in smart contract codebases to guide security audits.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Writing Lean Proofs

    Trail of BitsOfficial

    A comprehensive guide to structured Lean 4 proof development, library design, and project maintenance based on Mathlib conventions.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Chrome MCP Troubleshooting

    Trail of BitsOfficial

    Troubleshoot and resolve connectivity issues between Claude MCP tools and the Chrome browser extension on macOS.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Prove Patch

    Trail of BitsOfficial

    A rigorous procedure for independently verifying security patches using three-arm proof and scoped testing.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Fuzzing Obstacles

    Trail of BitsOfficial

    A technique for patching codebases to bypass anti-fuzzing obstacles like checksums and non-deterministic state, enabling deeper fuzzer exploration.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Variant Analysis

    Trail of BitsOfficial

    A systematic workflow for identifying and triaging additional instances of a known vulnerability or logic bug across a codebase.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Validate Bug

    Trail of BitsOfficial

    Independently verify bug proof-of-concept packages before initiating patch procedures.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Semgrep Rule Creator

    Trail of BitsOfficial

    A structured workflow for developing, testing, and validating custom Semgrep rules to detect security vulnerabilities and code patterns.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Modern Python

    Trail of BitsOfficial

    A guide for configuring Python projects using modern tools like uv, ruff, and ty.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Medium riskGitHub stars of the source repository8.1k
  • Cairo Vulnerability Scanner

    Trail of BitsOfficial

    A specialized security auditing tool for identifying 6 critical vulnerability patterns in Cairo and StarkNet smart contracts.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Ton Vulnerability Scanner

    Trail of BitsOfficial

    A specialized security scanner for auditing FunC smart contracts on The Open Network (TON) for critical vulnerabilities.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Vulnerability Triage Brocards

    Trail of BitsOfficial

    A systematic framework for triaging vulnerability reports using seven principled rules of thumb.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Diagramming Code

    Trail of BitsOfficial

    Generates visual Mermaid diagrams from Trailmark code graphs to map architecture, dependencies, and complexity.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Low riskHas scriptsGitHub stars of the source repository8.1k
  • Replay Regression

    Trail of BitsOfficial

    Independently verify proof-of-concept exploits against fresh deployments to confirm regression status.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Rust Review

    Trail of BitsOfficial

    A comprehensive security auditing tool for Rust codebases, focusing on memory safety, concurrency, and unsafe code boundaries.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Guidelines Advisor

    Trail of BitsOfficial

    A smart contract development advisor that audits codebases against established security and development guidelines.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Token Integration Analyzer

    Trail of BitsOfficial

    A security analysis tool for auditing ERC20 and ERC721 token implementations and their integrations against known vulnerabilities.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0GitHub stars of the source repository8.1k
  • Trailmark Summary

    Trail of BitsOfficial

    Provides a rapid structural overview of a codebase by identifying languages, entry points, and dependencies.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Low riskGitHub stars of the source repository8.1k
  • Yara Rule Authoring

    Trail of BitsOfficial

    A guide for authoring, reviewing, and optimizing YARA-X detection rules for malware identification.

    SecurityClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Medium riskHas scriptsGitHub stars of the source repository8.1k
  • Let Fate Decide

    Trail of BitsOfficial

    Injects entropy into decision-making for vague or casual user prompts using a 12-house Zodiac Tarot spread.

    Agent toolingClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Low riskHas scriptsGitHub stars of the source repository8.1k
  • Sarif Parsing

    Trail of BitsOfficial

    Expert guidance and utilities for parsing, filtering, and integrating SARIF static analysis results.

    Software developmentClaude CodeClaude appsOpenAI Codex+14 more
    CC-BY-SA-4.0Low riskHas scriptsGitHub stars of the source repository8.1k