anthropics / anthropics/claude-code
[Bug] Model ignores CLAUDE.md rules for file context requirements despite explicit instructions
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- Dominant language
- TypeScript
- Stars
- 147k
- Forks
- 24k
- PR merge metrics
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Description
Bug Description
Bug report drafted: Model repeatedly made confident behavioural claims from windowed file reads despite explicit CLAUDE.md rule requiring who… │
│ │ - What happened: User's CLAUDE.md states: "A grep/search hit is NOT evidence... read the whole file (caller, screen, navigator, hook) before any claim, plan…
Environment Info
- Platform: darwin
- Terminal: xterm-256color
- Version: 2.1.270
- Feedback ID: f29f2b1a-f5df-437b-a5a8-bbee749028fb
Errors
[{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011Cf5JCaqtbAfzixvuYDbZ1\"}\n at generate (/$bunfs/root/chunk-bejv5wg3.js:11:14493)\n at makeRequest (/$bunfs/root/chunk-bejv5wg3.js:51:8033)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-09-15T13:23:58.888Z"}]
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing the reported CLAUDE.md requirements, the reproduction details, and the darwin environment information for version 2.1.270. Reproduce the model's windowed-read claims and determine what observable behavior would demonstrate that the file-context rules are being followed; no source file or test is identified in the issue.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- ai, cli
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100