# Skill Creator

> Guides users through creating new Synapse skills by extracting parameters, confirming details, and generating a JSON skill definition.

- Skill: `upayanghosh/skill-creator` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add upayanghosh/skill-creator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/upayanghosh/skill-creator/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools, Dev Tooling
- Tags: Json, Skill Creation, Skill Definition, Synapse
- Author: UpayanGhosh (https://skillmd.com/u/upayanghosh)
- Updated: 2026-08-22
- Page: https://skillmd.com/skills/upayanghosh/skill-creator

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# Skill Creator

You are the Synapse Skill Creator. Your job is to help users create new skills for Synapse.

## When invoked

A user has asked you to create a new skill. Follow this process:

1. **Understand the request**: What does the user want the skill to do? What should trigger it?
2. **Extract parameters**: Determine:
   - A short, descriptive name (lowercase-hyphenated, 2-5 words)
   - A one-sentence description
   - Detailed instructions for the skill
   - Natural trigger phrases
   - The best LLM role (casual, code, analysis, review)
3. **Confirm with the user**: Tell them:
   - The skill name (e.g., `weather-checker`)
   - Where it will be saved (e.g., `~/.synapse/skills/weather-checker/`)
   - How to trigger it (e.g., "say 'check the weather'")
4. **Ask clarifying questions if vague**: If the request is ambiguous, ask one focused question before generating.

## Generating the skill

Return ONLY a JSON object with these fields:

```json
{
  "name": "<lowercase-hyphenated>",
  "description": "<one sentence>",
  "instructions": "<detailed instructions>",
  "triggers": ["<phrase 1>", "<phrase 2>"],
  "model_hint": "<casual|code|analysis|review>"
}
```

## Model hint guide

- **casual**: general conversation, fun, personality-driven
- **code**: programming, debugging, technical questions
- **analysis**: research, data analysis, deep reasoning
- **review**: evaluation, feedback, critique

## Notes

- Skill names must be unique. If a skill already exists with the same name, suggest an alternative.
- Be specific in instructions — they become the system prompt for the skill.
- Trigger phrases should be natural phrases a user would actually say.