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Triggers when understanding DWARF information, interacting with DWARF files, answering DWARF-related questions, or working with code that parses DWARF data.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},"trail-of-bits","Trail of Bits","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Ftrail-of-bits.png","trailofbits",[13,17],{"name":14,"slug":15,"type":16},"Code Analysis","code-analysis","tag",{"name":18,"slug":19,"type":16},"Debugging","debugging",6139,"https:\u002F\u002Fgithub.com\u002Ftrailofbits\u002Fskills","2026-07-18T05:48:28.90005",null,541,[26],"agent-skills",{"repoUrl":21,"stars":20,"forks":24,"topics":28,"description":29},[26],"Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows","https:\u002F\u002Fgithub.com\u002Ftrailofbits\u002Fskills\u002Ftree\u002FHEAD\u002Fplugins\u002Fdwarf-expert\u002Fskills\u002Fdwarf-expert","---\nname: dwarf-expert\ndescription: Provides expertise for analyzing DWARF debug files and understanding the DWARF debug format\u002Fstandard (v3-v5). Triggers when understanding DWARF information, interacting with DWARF files, answering DWARF-related questions, or working with code that parses DWARF data.\nallowed-tools: Read Bash Grep Glob WebSearch\n---\n# Overview\nThis skill provides technical knowledge and expertise about the DWARF standard and how to interact with DWARF files. Tasks include answering questions about the DWARF standard, providing examples of various DWARF features, parsing and\u002For creating DWARF files, and writing\u002Fmodifying\u002Fanalyzing code that interacts with DWARF data.\n\n## When to Use This Skill\n- Understanding or parsing DWARF debug information from compiled binaries\n- Answering questions about the DWARF standard (v3, v4, v5)\n- Writing or reviewing code that interacts with DWARF data\n- Using `dwarfdump` or `readelf` to extract debug information\n- Verifying DWARF data integrity with `llvm-dwarfdump --verify`\n- Working with DWARF parsing libraries (libdwarf, pyelftools, gimli, etc.)\n\n## When NOT to Use This Skill\n- **DWARF v1\u002Fv2 Analysis**: Expertise limited to versions 3, 4, and 5.\n- **General ELF Parsing**: Use standard ELF tools if DWARF data isn't needed.\n- **Executable Debugging**: Use dedicated debugging tools (gdb, lldb, etc) for debugging executable code\u002Fruntime behavior.\n- **Binary Reverse Engineering**: Use dedicated RE tools (Ghidra, IDA) unless specifically analyzing DWARF sections.\n- **Compiler Debugging**: DWARF generation issues are compiler-specific, not covered here.\n\n# Authoritative Sources\nWhen specific DWARF standard information is needed, use these authoritative sources:\n\n1. **Official DWARF Standards (dwarfstd.org)**: Use web search to find specific sections of the official DWARF specification at dwarfstd.org. Search queries like \"DWARF5 DW_TAG_subprogram attributes site:dwarfstd.org\" are effective.\n\n2. **LLVM DWARF Implementation**: The LLVM project's DWARF handling code at `llvm\u002Flib\u002FDebugInfo\u002FDWARF\u002F` serves as a reliable reference implementation. Key files include:\n   - `DWARFDie.cpp` - DIE handling and attribute access\n   - `DWARFUnit.cpp` - Compilation unit parsing\n   - `DWARFDebugLine.cpp` - Line number information\n   - `DWARFVerifier.cpp` - Validation logic\n\n3. **libdwarf**: The reference C implementation at github.com\u002Fdavea42\u002Flibdwarf-code provides detailed handling of DWARF data structures.\n\n# Verification Workflows\nUse `llvm-dwarfdump` verification options to validate DWARF data integrity:\n\n## Structural Validation\n```bash\n# Verify DWARF structure (compile units, DIE relationships, address ranges)\nllvm-dwarfdump --verify \u003Cbinary>\n\n# Detailed error output with summary\nllvm-dwarfdump --verify --error-display=full \u003Cbinary>\n\n# Machine-readable JSON error summary\nllvm-dwarfdump --verify --verify-json=errors.json \u003Cbinary>\n```\n\n## Quality Metrics\n```bash\n# Output debug info quality metrics as JSON\nllvm-dwarfdump --statistics \u003Cbinary>\n```\n\nThe `--statistics` output helps compare debug info quality across compiler versions and optimization levels.\n\n## Common Verification Patterns\n- **After compilation**: Verify binaries have valid DWARF before distribution\n- **Comparing builds**: Use `--statistics` to detect debug info quality regressions\n- **Debugging debuggers**: Identify malformed DWARF causing debugger issues\n- **DWARF tool development**: Validate parser output against known-good binaries\n\n# Parsing DWARF Debug Information\n## readelf\nELF files can be parsed via the `readelf` command ({baseDir}\u002Freference\u002Freadelf.md). Use this for general ELF information, but prefer `dwarfdump` for DWARF-specific parsing.\n\n## dwarfdump\nDWARF files can be parsed via the `dwarfdump` command, which is more effective at parsing and displaying complex DWARF information than `readelf` and should be used for most DWARF parsing tasks ({baseDir}\u002Freference\u002Fdwarfdump.md).\n\n# Working With Code\nThis skill supports writing, modifying, and reviewing code that interacts with DWARF data. 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Use this for general ELF information, but prefer ",{"type":39,"tag":86,"props":606,"children":608},{"className":607},[],[609],{"type":45,"value":91},{"type":45,"value":611}," for DWARF-specific parsing.",{"type":39,"tag":54,"props":613,"children":614},{"id":91},[615],{"type":45,"value":91},{"type":39,"tag":48,"props":617,"children":618},{},[619,621,626,628,633],{"type":45,"value":620},"DWARF files can be parsed via the ",{"type":39,"tag":86,"props":622,"children":624},{"className":623},[],[625],{"type":45,"value":91},{"type":45,"value":627}," command, which is more effective at parsing and displaying complex DWARF information than ",{"type":39,"tag":86,"props":629,"children":631},{"className":630},[],[632],{"type":45,"value":99},{"type":45,"value":634}," and should be used for most DWARF parsing tasks ({baseDir}\u002Freference\u002Fdwarfdump.md).",{"type":39,"tag":40,"props":636,"children":638},{"id":637},"working-with-code",[639],{"type":45,"value":640},"Working With Code",{"type":39,"tag":48,"props":642,"children":643},{},[644],{"type":45,"value":645},"This skill supports writing, modifying, and reviewing code that interacts with DWARF data. This may involve code that parses DWARF debug data from scratch or code that leverages libraries to parse and interact with DWARF data ({baseDir}\u002Freference\u002Fcoding.md).",{"type":39,"tag":40,"props":647,"children":649},{"id":648},"choosing-your-approach",[650],{"type":45,"value":651},"Choosing Your Approach",{"type":39,"tag":304,"props":653,"children":657},{"className":654,"code":656,"language":45},[655],"language-text","┌─ Need to verify DWARF data integrity?\n│   └─ Use `llvm-dwarfdump --verify` (see Verification Workflows above)\n├─ Need to answer questions about the DWARF standard?\n│   └─ Search dwarfstd.org or reference LLVM\u002Flibdwarf source\n├─ Need simple section dump or general ELF info?\n│   └─ Use `readelf` ({baseDir}\u002Freference\u002Freadelf.md)\n├─ Need to parse, search, and\u002For dump DWARF DIE nodes?\n│   └─ Use `dwarfdump` ({baseDir}\u002Freference\u002Fdwarfdump.md)\n└─ Need to write, modify, or review code that interacts with DWARF data?\n    └─ Refer to the coding reference ({baseDir}\u002Freference\u002Fcoding.md)\n",[658],{"type":39,"tag":86,"props":659,"children":660},{"__ignoreMap":309},[661],{"type":45,"value":656},{"type":39,"tag":663,"props":664,"children":665},"style",{},[666],{"type":45,"value":667},"html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"items":669,"total":765},[670,687,697,715,730,743,755],{"slug":671,"name":671,"fn":672,"description":673,"org":674,"tags":675,"stars":20,"repoUrl":21,"updatedAt":686},"address-sanitizer","detect memory errors during fuzzing","AddressSanitizer detects memory errors during fuzzing. Use when fuzzing C\u002FC++ code to find buffer overflows and use-after-free bugs.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[676,679,680,683],{"name":677,"slug":678,"type":16},"C#","c",{"name":18,"slug":19,"type":16},{"name":681,"slug":682,"type":16},"Security","security",{"name":684,"slug":685,"type":16},"Testing","testing","2026-07-17T06:05:14.925095",{"slug":688,"name":688,"fn":689,"description":690,"org":691,"tags":692,"stars":20,"repoUrl":21,"updatedAt":696},"aflpp","perform multi-core fuzzing of C\u002FC++ projects","AFL++ is a fork of AFL with better fuzzing performance and advanced features. Use for multi-core fuzzing of C\u002FC++ projects.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[693,694,695],{"name":677,"slug":678,"type":16},{"name":681,"slug":682,"type":16},{"name":684,"slug":685,"type":16},"2026-07-17T06:05:12.433192",{"slug":698,"name":698,"fn":699,"description":700,"org":701,"tags":702,"stars":20,"repoUrl":21,"updatedAt":714},"agentic-actions-auditor","audit GitHub Actions for security vulnerabilities","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\u002FCD 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\u002FCD pipeline security for prompt injection risks, or evaluating agentic action configurations.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[703,706,709,710,713],{"name":704,"slug":705,"type":16},"Agents","agents",{"name":707,"slug":708,"type":16},"CI\u002FCD","ci-cd",{"name":14,"slug":15,"type":16},{"name":711,"slug":712,"type":16},"GitHub Actions","github-actions",{"name":681,"slug":682,"type":16},"2026-07-18T05:47:48.564744",{"slug":716,"name":716,"fn":717,"description":718,"org":719,"tags":720,"stars":20,"repoUrl":21,"updatedAt":729},"algorand-vulnerability-scanner","scan Algorand smart contracts for vulnerabilities","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\u002FPyTeal).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[721,724,725,726],{"name":722,"slug":723,"type":16},"Audit","audit",{"name":14,"slug":15,"type":16},{"name":681,"slug":682,"type":16},{"name":727,"slug":728,"type":16},"Smart Contracts","smart-contracts","2026-07-18T05:47:43.989063",{"slug":731,"name":731,"fn":732,"description":733,"org":734,"tags":735,"stars":20,"repoUrl":21,"updatedAt":742},"ask-questions-if-underspecified","clarify requirements before implementation","Clarify requirements before implementing. Use when serious doubts arise.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[736,739],{"name":737,"slug":738,"type":16},"Engineering","engineering",{"name":740,"slug":741,"type":16},"Productivity","productivity","2026-07-17T06:05:33.543262",{"slug":744,"name":744,"fn":745,"description":746,"org":747,"tags":748,"stars":20,"repoUrl":21,"updatedAt":754},"atheris","fuzz Python code with Atheris","Atheris is a coverage-guided Python fuzzer based on libFuzzer. Use for fuzzing pure Python code and Python C extensions.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[749,752,753],{"name":750,"slug":751,"type":16},"Python","python",{"name":681,"slug":682,"type":16},{"name":684,"slug":685,"type":16},"2026-07-17T06:05:14.575191",{"slug":756,"name":756,"fn":757,"description":758,"org":759,"tags":760,"stars":20,"repoUrl":21,"updatedAt":764},"audit-augmentation","augment code graphs with audit findings","Augments Trailmark code graphs with external audit findings from SARIF static analysis results, weAudit annotation files, and version-gated Trailmark 0.4.x binary-analysis graph exports. 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, importing binary graph findings, cross-referencing Semgrep, CodeQL, or binary-analysis findings with call graph data, or visualizing audit findings in the context of code structure.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[761,762,763],{"name":722,"slug":723,"type":16},{"name":14,"slug":15,"type":16},{"name":681,"slug":682,"type":16},"2026-08-01T05:44:54.920542",77,{"items":767,"total":871},[768,775,781,789,796,801,807,813,826,837,849,860],{"slug":671,"name":671,"fn":672,"description":673,"org":769,"tags":770,"stars":20,"repoUrl":21,"updatedAt":686},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[771,772,773,774],{"name":677,"slug":678,"type":16},{"name":18,"slug":19,"type":16},{"name":681,"slug":682,"type":16},{"name":684,"slug":685,"type":16},{"slug":688,"name":688,"fn":689,"description":690,"org":776,"tags":777,"stars":20,"repoUrl":21,"updatedAt":696},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[778,779,780],{"name":677,"slug":678,"type":16},{"name":681,"slug":682,"type":16},{"name":684,"slug":685,"type":16},{"slug":698,"name":698,"fn":699,"description":700,"org":782,"tags":783,"stars":20,"repoUrl":21,"updatedAt":714},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[784,785,786,787,788],{"name":704,"slug":705,"type":16},{"name":707,"slug":708,"type":16},{"name":14,"slug":15,"type":16},{"name":711,"slug":712,"type":16},{"name":681,"slug":682,"type":16},{"slug":716,"name":716,"fn":717,"description":718,"org":790,"tags":791,"stars":20,"repoUrl":21,"updatedAt":729},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[792,793,794,795],{"name":722,"slug":723,"type":16},{"name":14,"slug":15,"type":16},{"name":681,"slug":682,"type":16},{"name":727,"slug":728,"type":16},{"slug":731,"name":731,"fn":732,"description":733,"org":797,"tags":798,"stars":20,"repoUrl":21,"updatedAt":742},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[799,800],{"name":737,"slug":738,"type":16},{"name":740,"slug":741,"type":16},{"slug":744,"name":744,"fn":745,"description":746,"org":802,"tags":803,"stars":20,"repoUrl":21,"updatedAt":754},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[804,805,806],{"name":750,"slug":751,"type":16},{"name":681,"slug":682,"type":16},{"name":684,"slug":685,"type":16},{"slug":756,"name":756,"fn":757,"description":758,"org":808,"tags":809,"stars":20,"repoUrl":21,"updatedAt":764},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[810,811,812],{"name":722,"slug":723,"type":16},{"name":14,"slug":15,"type":16},{"name":681,"slug":682,"type":16},{"slug":814,"name":814,"fn":815,"description":816,"org":817,"tags":818,"stars":20,"repoUrl":21,"updatedAt":825},"audit-context-building","build architectural context for code analysis","Enables ultra-granular, line-by-line code analysis to build deep architectural context before vulnerability or bug finding.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[819,822,823,824],{"name":820,"slug":821,"type":16},"Architecture","architecture",{"name":722,"slug":723,"type":16},{"name":14,"slug":15,"type":16},{"name":737,"slug":738,"type":16},"2026-07-18T05:47:40.122449",{"slug":827,"name":827,"fn":828,"description":829,"org":830,"tags":831,"stars":20,"repoUrl":21,"updatedAt":836},"audit-prep-assistant","prepare codebases for security audits","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).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[832,833,834,835],{"name":722,"slug":723,"type":16},{"name":14,"slug":15,"type":16},{"name":737,"slug":738,"type":16},{"name":681,"slug":682,"type":16},"2026-07-18T05:47:39.210985",{"slug":838,"name":838,"fn":839,"description":840,"org":841,"tags":842,"stars":20,"repoUrl":21,"updatedAt":848},"burpsuite-project-parser","parse Burp Suite project files","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.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[843,844,847],{"name":722,"slug":723,"type":16},{"name":845,"slug":846,"type":16},"CLI","cli",{"name":681,"slug":682,"type":16},"2026-07-17T06:05:33.198077",{"slug":850,"name":850,"fn":851,"description":852,"org":853,"tags":854,"stars":20,"repoUrl":21,"updatedAt":859},"c-review","audit C and C++ code","Performs comprehensive C\u002FC++ security review for memory corruption, integer overflows, race conditions, and platform-specific vulnerabilities. Use when auditing native C\u002FC++ applications, reviewing daemons or services for memory safety, or hunting integer overflow \u002F use-after-free \u002F race conditions in userspace code.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[855,856,857,858],{"name":722,"slug":723,"type":16},{"name":677,"slug":678,"type":16},{"name":14,"slug":15,"type":16},{"name":681,"slug":682,"type":16},"2026-07-17T06:05:11.333374",{"slug":861,"name":861,"fn":862,"description":863,"org":864,"tags":865,"stars":20,"repoUrl":21,"updatedAt":870},"cairo-vulnerability-scanner","scan Cairo and StarkNet contracts for vulnerabilities","Scans Cairo\u002FStarkNet 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.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[866,867,868,869],{"name":722,"slug":723,"type":16},{"name":14,"slug":15,"type":16},{"name":681,"slug":682,"type":16},{"name":727,"slug":728,"type":16},"2026-07-18T05:47:42.84568",111]