anthropics / anthropics/claude-code

[Bug] Excessive API token consumption from instruction non-compliance

Open
#95,110 0 comments 0 reactions 0 assignees View on GitHub
area:cost area:model bug needs-repro platform:linux platform:vscode
Dominant language
Python
Stars
145k
Forks
23.1k
PR merge metrics
PR metrics pending

Description

**Bug Description**
didnt follow intructions, then it burned 30% of my weekly usage

**Environment Info**
- Platform: linux
- Terminal: vscode
- Version: 2.1.270
- Feedback ID: 0ff9b5b1-3caa-42dd-9672-40ddedc39b4b

**Errors**
```json
[{"error":"TelemetrySafeError: task output swap refused (not a regular nlink-1 file): /tmp/claude-1000/-home-pgc-timecloqv4-claude/4a62fd8d-0c7b-449b-a8e9-94f42dd29510/tasks/b7dmu6550.output\n at P (/$bunfs/root/chunk-rv1fshsj.js:16:10536)\n at Mee (/$bunfs/root/chunk-rv1fshsj.js:16:2950)\n at async ble (/$bunfs/root/chunk-rv1fshsj.js:16:7371)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-09-17T03:23:39.302Z"}]
```

Contributor guide

No contributing guide indexed for this repository

Research direction

No source file or test is named. Start by reviewing feedback ID 0ff9b5b1-3caa-42dd-9672-40ddedc39b4b and reproducing on Linux in VS Code with version 2.1.270, focusing on the reported task output swap error. Done means the excessive token consumption and error can be reproduced, explained, and verified as fixed.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux, vscode
Domain
cli, devtools
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
28/100

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