Agent skill
dont-be-greedy
When a user uploads or references a data file (CSV, JSON, XLSX, TXT, LOG) or any file larger than 100KB, immediately estimate token cost using scripts/estimate_size.py. If >30k tokens, chunk the file and summarize each chunk. If smaller, run quick inspection. Return a safe preview and summary without asking the user what to do.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/dont-be-greedy
SKILL.md
Don't Be Greedy
Instructions
Step 1: Estimate Token Cost
Before loading ANY data file:
python scripts/estimate_size.py "<file_path>"
This returns byte count and estimated token count.
Step 2: Apply Strategy Based on Size
| Estimated Tokens | Action |
|---|---|
| < 10,000 | Run quick inspection, load directly |
| 10,000 - 30,000 | Run quick inspection, consider filtering |
| > 30,000 | Chunk and summarize before loading |
Step 3: Execute Appropriate Workflow
python scripts/quick_inspect.py "<file_path>"
Return stats and load file directly.
python scripts/chunker.py "<file_path>"
python scripts/summarize.py "<chunk_file>"
Return overall summary + per-chunk summaries + safe preview of first rows.
Step 4: Return Structured Output
Always provide:
- Overall summary (1-3 paragraphs)
- Safe preview (first N rows/lines)
- Recommendation for next steps
- Chunk information if file was split
NEVER
- Load files without running estimate_size.py first
- Use
caton unknown or large files - Ask "What would you like me to do with this file?"
- Wait for user direction before acting on file uploads
- Load raw data exceeding 30k tokens into context
ALWAYS
- Run size estimation before any file operation
- Chunk files over 30k tokens automatically
- Provide a safe preview even for large files
- Act immediately when a data file is detected
- Be thorough in first response with summary + preview + recommendation
Examples
Example 1: User uploads large CSV
Input: User says "Analyze this sales data" and uploads a 50MB CSV file
Workflow:
- Run
scripts/estimate_size.py sales.csv→ Output:bytes=52428800 (50.0MB) tokens=13107200 - Way over 30k tokens. Run
scripts/chunker.py sales.csv→ Creates 6500+ chunks - Run
scripts/summarize.pyon representative chunks - Return:
- Overall summary of data structure and content
- Safe preview showing first 10 rows
- Recommendation: "Data contains 1M rows of sales transactions. I've chunked it for processing. Want me to analyze specific columns or date ranges?"
Example 2: User references small JSON config
Input: User asks "Check my config.json for issues"
Workflow:
- Run
scripts/estimate_size.py config.json→ Output:bytes=2048 (2.0KB) tokens=512 - Under 10k tokens. Run
scripts/quick_inspect.py config.json - Load file directly and analyze
- Return: Full analysis with any issues found
Example 3: User uploads medium log file
Input: User uploads a 500KB application.log
Workflow:
- Run
scripts/estimate_size.py application.log→ Output:bytes=512000 (500.0KB) tokens=128000 - Over 30k tokens. Run
scripts/chunker.py application.log - Summarize chunks focusing on errors and warnings
- Return:
- Summary of log timespan and key events
- Count of errors, warnings, info messages
- Safe preview of recent entries
- Recommendation for focused analysis
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