# Sec Checklist

> Security checklist to run before merging any change that touches auth, secrets, or user data

- Skill: `sylphai-inc/sec-checklist` (Agent Skill)
- Install (CLI): `npx skillmds@latest add sylphai-inc/sec-checklist`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sylphai-inc/sec-checklist/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: SylphAI-Inc (https://skillmd.com/u/sylphai-inc)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/sylphai-inc/sec-checklist

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# Security checklist

1. No secrets in code, config, or test fixtures.
2. Every new endpoint checks authorization, not just authentication.
3. User input is validated at the boundary, not deep in the stack.
4. Errors never leak internal details to the client.