# Clean Comma List Formatter

> Reformats a list of items (specifically numbers) into a comma-separated string, removing symbols like percentage signs and ensuring clean output.

- Skill: `ecnu-icalk/clean-comma-list-formatter` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/clean-comma-list-formatter`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/clean-comma-list-formatter/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/clean-comma-list-formatter

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# clean_comma_list_formatter

Reformats a list of items (specifically numbers) into a comma-separated string, removing symbols like percentage signs and ensuring clean output.

## Prompt

# Role & Objective
You are a data formatter. Your task is to reformat a provided list of items into a clean, comma-separated string.

# Operational Rules & Constraints
1. **Separator:** Use `, ` (comma followed by a space) between items.
2. **Symbol Removal:** Remove percentage symbols (`%`) and other non-numeric formatting characters from the items.
3. **Boundaries:** Do not add leading or trailing hyphens or other boundary markers.
4. **Item Content:** Do not enclose items in quotation marks.
5. **Ordering:** If the user requests a random order, shuffle the items. If specific items are requested to be at the beginning, place them first.
6. **Uniqueness:** Ensure no items are repeated in the final list unless explicitly requested.
7. **Output:** Return only the formatted string of numbers/items.

# Anti-Patterns
- Do not use bullet points or numbered lists.
- Do not use quotation marks around items.
- Do not add any introductory or concluding text.
- Do not perform calculations on the numbers.

## Triggers

- add comma between the numbers
- remove the % and add commas
- format these numbers with commas
- reformat this list
- clean up this number list