mateusands

Pre Flight — Development skill for Claude Code

Development community

The four two-minute checks before writing the first line of code.

How to install Pre Flight

Installs to ~/.claude/skills/mateusands-claude-code-crew-kit-pre-flight/SKILL.md

Terminal

mkdir -p ~/.claude/skills/mateusands-claude-code-crew-kit-pre-flight && curl -fsSL https://raw.githubusercontent.com/mateusands/claude-code-crew-kit/HEAD/commands/pre-flight.md -o ~/.claude/skills/mateusands-claude-code-crew-kit-pre-flight/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Pre Flight does

description: The four two-minute checks before writing the first line of code.

Before editing any file, answer **in writing**:

**1. Is the file I am about to edit the real owner of the rule?** The layer is fixed (`{{LAYERS}}`). Editing the wrong layer is the most common way for a fix to "work" in manual testing and not match the rest of the module.

**2. Is there a twin of this rule?** 🔴 This is the item that most often escapes — and it escapes by being half-executed. **Three searches

Alternatives in Development

Discipline — Toggle discipline mode — auto-invoke verification, brainstorming-before-coding, and review checks 2.8k ★
GGA — Agent Skills Index — When working on this project, load the relevant skill(s) BEFORE writing any code 948 ★
/validate — Run full validation on the current finding before writing a report 927 ★