# Skill Writer

Create, synthesize, and iteratively improve agent skills following the Agent Skills...

- Repository: https://github.com/getsentry/skills (1107 stars)
- Category: AI and agents
- License: Apache-2.0
- Last updated: 2026-10-26
- Runs scripts: yes, review before use

## Install

Claude Code: `npx skills add getsentry/skills --skill skill-writer -g -a claude-code -y`
Codex: `npx skills add getsentry/skills --skill skill-writer -g -a codex -y`
Cursor: `npx skills add getsentry/skills --skill skill-writer -g -a cursor -y`
Gemini CLI: `npx skills add getsentry/skills --skill skill-writer -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add getsentry/skills`

## Description

Create, synthesize, and iteratively improve agent skills following the Agent Skills specification. Use when asked to "create a skill", "write a skill", "synthesize sources into a skill", "improve a skill from positive/negative examples", "update a skill", or "maintain skill docs and registration". Handles source capture, precision passes, authoring, registration, and validation.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Skill Writer

Use this as the single canonical workflow for skill creation and improvement.
Primary success condition: maximize high-value input coverage before authoring while minimizing wasted runtime tokens.

Follow the workflow steps in order. Load only the reference files required for the step you are on.
`SKILL.md` is the primary router: every bundled reference file should be flat under `references/` and listed here with a direct "open when..." reason.

## Core Workflow References

The rest: https://github.com/getsentry/skills/blob/HEAD/skills/skill-writer/SKILL.md