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Fs Head

ASecurity

Read the first N lines of a text file under scenarios/<world_name>/fs.

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  • Added June 6, 2026
developmentpython

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A100/100

Pro scans all 2 files and shows the line behind each finding

Scanned June 6, 2026

npx -y skills add bdambrosio/Cognitive_workbench --skill fs-head --agent claude-code

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SKILL.md
---
name: fs-head
type: python
description: "Read the first N lines of a text file under scenarios/<world_name>/fs."
schema_hint: {"path": "string (relative)", "lines": "int"}
---

# fs-head

Return the first N lines of a text file from the filesystem sandbox.

## Input

- `path`: Relative path under `scenarios/<world_name>/fs` (required)
- `lines`: Number of lines to return (default: 20)

## Output

Success returns:
- `resource_id`: Note ID containing text content.
- Note content format:
  - metadata Note linked by meta Relation (path/line range/truncation metadata)
  - body text with the first N lines

## Examples

```json
{"type":"fs-head","path":"logs/app.log","lines":50,"out":"$log_head"}
```

Files in this skill

  • Skill.md707 B
  • tool.py3.2 KB

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