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Integration

crashlens

A crash-triage tool that turns Linux core dumps, runtime panics, exception traces and sanitizer reports into Markdown bug reports naming the crash type, the first frame in the user’s code and a stable signature. Its core-dump path calls the REA CLI to read the recorded crash and the binary layout, and can ask REA’s Ghidra provider for pseudocode of stripped functions; a Claude Code plugin bundles a skill and read-only MCP tools. It is a debugging integration around REA, not a reconstruction case, and its diagnostic accuracy remains author-reported.

Requirements and limitations

  • The reviewed pin declares package version 0.1.0 and plugin version 0.2.0, and the README calls the project an early prototype. Text inputs, namely Go/Rust panics, Python, Java and Node.js traces and ASan/LSan/UBSan reports, need only Node.js 22.19+ or 24.11+. Core dumps need Linux x86-64, Python 3, the rea-agents package and a separate pwntools environment named by REA_PWNTOOLS_PYTHON; gdb, objdump and Ghidra 12.1.x with JDK 21 are optional. Windows minidumps and macOS crash reports remain roadmap items.
  • Users supply the core dump and the exact binary that crashed. The source calls rea inspect-recorded-crash and inspect-binary-layout, and rea decompile with the Ghidra provider for stripped functions; crashlens itself computes the load bias, compares GNU build IDs and warns on a mismatch. package.json declares rea-agents 6.4.0 or later as an optional peer dependency, and the author’s post describes compatibility with a pinned rea-agents 6.4.0; this collection did not check other REA versions.
  • The plugin bundles a skill and an MCP server. The README says three read-only tools but names four, and the server source defines analyze_failure, analyze_core_dump, decompile_function and analyze_crash_folder with read-only hints. A copy-paste prompt documents the same core-dump workflow for agents connected to REA’s own MCP server. Pseudocode is labeled as decompiler output, and crash types are heuristics with a stated confidence.
  • The project states that the analyzed program is never executed and that gdb opens the core with script auto-loading and debuginfod disabled. The optional --ai flag sends the Markdown report, including code snippets and log lines, to the Anthropic API; the local web app listens on 127.0.0.1 and requires a session token. Core dumps can hold secrets, and reports include local paths, log lines and register values.
  • CI runs typechecks and unit tests on Node 22 and 24, plus an end-to-end job that installs gdb, pwntools and the latest rea-agents and checks a report for a compiled NULL-dereference program. The README’s statement that agents using crashlens found the root cause in six of seven stripped-binary crash types is author-reported without published transcripts. This collection reviewed source and documentation without running the tool, REA or an agent.
  • The project declares MIT and uses REA, also MIT, through its public CLI; Ghidra, the Anthropic API and analyzed programs keep their own terms. The author’s posts propose a crash-triage skill beside the reverse-engineer-anything skill and offer a pull request to a Hermes plugin repository; the reviewed sources do not establish that it was submitted, merged or adopted.

About this entry

Type
Integration
Category
Community REA integrations
Relationship
Community REA integration
Targets
Binary

Sources reviewed

The description was reviewed against primary sources. This does not establish runtime testing, security auditing or verified compatibility.

Primary sources

  1. README.md GitHub · mingleiw/crashlens · Revision 7188611
  2. plugin/skills/crashlens/SKILL.md GitHub · mingleiw/crashlens · Revision 7188611
  3. docs/prompts/crash-triage.md GitHub · mingleiw/crashlens · Revision 7188611
  4. src/rea.ts GitHub · mingleiw/crashlens · Revision 7188611
  5. src/mcp.ts GitHub · mingleiw/crashlens · Revision 7188611
  6. package.json GitHub · mingleiw/crashlens · Revision 7188611
  7. plugin/.claude-plugin/plugin.json GitHub · mingleiw/crashlens · Revision 7188611
  8. .github/workflows/ci.yml GitHub · mingleiw/crashlens · Revision 7188611
  9. test/e2e.test.ts GitHub · mingleiw/crashlens · Revision 7188611
  10. LICENSE GitHub · mingleiw/crashlens · Revision 7188611
  11. https://x.com/rae1101x/status/2111052456151154858