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trailofbits/fp-check

의심되는 보안 버그를 체계적으로 검증하여 거짓 긍정(false positive)을 제거합니다. 각 버그에 대해 문서화된 증거와 함께 TRUE POSITIVE 또는 FALSE POSITIVE 판정을 생성합니다.

fp-check란 무엇인가요?

이 스킬은 보안 분석 중 발견된 의심되는 버그를 자동으로 검증하여 거짓 긍정(false positive)을 걸러내는 데 사용됩니다. 개발자나 보안 연구원이 정적 분석 도구나 수동 검토를 통해 발견한 취약점 후보를 입력하면, fp-check가 코드베이스와 실행 흐름을 추적하여 실제로 악용 가능한 버그인지 여부를 판단합니다. 각 판정은 상세한 증거와 함께 문서화되어, 팀이 불필요한 수정 작업에 시간을 낭비하지 않도록 도와줍니다. Claude Code, Cursor, Codex 등 다양한 AI 에이전트 플랫폼과 호환되며, CI/CD 파이프라인에 통합하여 지속적인 보안 검증 워크플로우를 구축할 수 있습니다.

지원 대상~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/trailofbits/skills/tree/main/skills/fp-check

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즐겨 사용하는 AI에게 물어보기

이 에이전트 스킬이 미리 로드된 새 채팅을 엽니다.

문서

fp-check은(는) 무엇을 하나요?

의심되는 보안 버그를 체계적으로 검증하여 거짓 긍정(false positive)을 제거합니다. 각 버그에 대해 문서화된 증거와 함께 TRUE POSITIVE 또는 FALSE POSITIVE 판정을 생성합니다.

목적

보안 취약점 분석 중 발견된 의심스러운 코드를 자동으로 검증하여, 실제로 수정해야 하는 진짜 양성(True Positive)과 무시해도 되는 거짓 긍정(False Positive)을 구분합니다.

사용 방법

  1. 분석할 의심스러운 코드 조각을 입력합니다.
  2. fp-check가 코드의 실행 경로, 데이터 흐름, 보안 컨텍스트를 분석합니다.
  3. 결과로 TRUE POSITIVE 또는 FALSE POSITIVE 판정과 근거를 제공합니다.

지원 플랫폼

  • Claude Code
  • Cursor
  • Codex
  • 기타 AI 에이전트 플랫폼

예시

의심 버그: SQL 인젝션 취약점 (파일: app.py, 라인 42)
판정: TRUE POSITIVE
증거: 사용자 입력이 검증 없이 execute()에 직접 전달됨

참고 사항

  • 모든 판정은 추적 가능한 증거와 함께 제공됩니다.
  • CI/CD 파이프라인에 통합하여 자동화된 보안 검증에 사용할 수 있습니다.
  • 버그의 심각도와 영향 범위도 함께 평가됩니다.

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

trailofbits/address-sanitizer

AddressSanitizer detects memory errors during fuzzing. Use when fuzzing C/C++ code to find buffer overflows and use-after-free bugs.

trailofbits/aflpp

AFL++ is a fork of AFL with better fuzzing performance and advanced features. Use for multi-core fuzzing of C/C++ projects.

trailofbits/agentic-actions-auditor

Audits GitHub Actions workflows for security vulnerabilities in AI agent integrations including Claude Code Action, Gemini CLI, OpenAI Codex, and GitHub AI Inference. Detects attack vectors where attacker-controlled input reaches AI agents running in CI/CD pipelines, including env var intermediary patterns, direct expression injection, dangerous sandbox configurations, and wildcard user allowlists. Use when reviewing workflow files that invoke AI coding agents, auditing CI/CD pipeline security for prompt injection risks, or evaluating agentic action configurations.

trailofbits/algorand-vulnerability-scanner

Scans Algorand smart contracts for 11 common vulnerabilities including rekeying attacks, unchecked transaction fees, missing field validations, and access control issues. Use when auditing Algorand projects (TEAL/PyTeal).

trailofbits/ask-questions-if-underspecified

Clarify requirements before implementing. Use when serious doubts arise.

trailofbits/atheris

Atheris is a coverage-guided Python fuzzer based on libFuzzer. Use for fuzzing pure Python code and Python C extensions.

trailofbits/audit-augmentation

Augments Trailmark code graphs with external audit findings from SARIF static analysis results and weAudit annotation files. Maps findings to graph nodes by file and line overlap, creates severity-based subgraphs, and enables cross-referencing findings with pre-analysis data (blast radius, taint, etc.). Use when projecting SARIF results onto a code graph, overlaying weAudit annotations, cross-referencing Semgrep or CodeQL findings with call graph data, or visualizing audit findings in the context of code structure.

trailofbits/audit-context-building

Enables ultra-granular, line-by-line code analysis to build deep architectural context before vulnerability or bug finding.

trailofbits/audit-prep-assistant

Prepares codebases for security review using Trail of Bits' checklist. Helps set review goals, runs static analysis tools, increases test coverage, removes dead code, ensures accessibility, and generates documentation (flowcharts, user stories, inline comments).

trailofbits/burpsuite-project-parser

Searches and explores Burp Suite project files (.burp) from the command line. Use when searching response headers or bodies with regex patterns, extracting security audit findings, dumping proxy history or site map data, or analyzing HTTP traffic captured in a Burp project.

trailofbits/cairo-vulnerability-scanner

Scans Cairo/StarkNet smart contracts for 6 critical vulnerabilities including felt252 arithmetic overflow, L1-L2 messaging issues, address conversion problems, and signature replay. Use when auditing StarkNet projects.

trailofbits/cargo-fuzz

cargo-fuzz is the de facto fuzzing tool for Rust projects using Cargo. Use for fuzzing Rust code with libFuzzer backend.

trailofbits/chrome-mcp-troubleshooting

Diagnose and fix Claude in Chrome MCP extension connectivity issues. Use when mcp__claude-in-chrome__* tools fail, return "Browser extension is not connected", or behave erratically.

trailofbits/claude-in-chrome-troubleshooting

Diagnose and fix Claude in Chrome MCP extension connectivity issues. Use when mcp__claude-in-chrome__* tools fail, return "Browser extension is not connected", or behave erratically.

trailofbits/code-improver

Runs an autonomous review-and-fix improvement loop over any code target — a skill, plugin, module, or directory — using a reviewer the user names: any installed skill or agent. Keeps a cross-round findings ledger, escalates when fixes stop converging, and guards scope mechanically. Use when asked to 'improve this code until review passes', 'run an improvement loop with <reviewer>', or to iterate review-and-fix with a specific reviewer. For skills prefer the skill-improver entry; for a branch prefer pr-improver.

trailofbits/code-maturity-assessor

Systematic code maturity assessment using Trail of Bits' 9-category framework. Analyzes codebase for arithmetic safety, auditing practices, access controls, complexity, decentralization, documentation, MEV risks, low-level code, and testing. Produces professional scorecard with evidence-based ratings and actionable recommendations.

trailofbits/codeql

Scans a codebase for security vulnerabilities using CodeQL's interprocedural data flow and taint tracking analysis. Triggers on "run codeql", "codeql scan", "codeql analysis", "build codeql database", or "find vulnerabilities with codeql". Supports "run all" (security-and-quality + security-experimental suites) and "important only" (high-precision security findings) scan modes. Also handles creating data extension models and processing CodeQL SARIF output.

trailofbits/constant-time-analysis

Detects timing side-channel vulnerabilities in cryptographic code. Use when implementing or reviewing crypto code, encountering division on secrets, secret-dependent branches, or constant-time programming questions in C, C++, Go, Rust, Swift, Java, Kotlin, C#, PHP, JavaScript, TypeScript, Python, or Ruby.

trailofbits/constant-time-testing

Constant-time testing detects timing side channels in cryptographic code. Use when auditing crypto implementations for timing vulnerabilities.

trailofbits/cosmos-vulnerability-scanner

Scans Cosmos SDK blockchain modules and CosmWasm contracts for consensus-critical vulnerabilities — chain halts, fund loss, state divergence. 25 core + 16 IBC + 10 EVM + 3 CosmWasm patterns. Use when auditing custom x/ modules, reviewing IBC integrations, or assessing pre-launch chain security. Updated for SDK v0.53.x.

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