codex-master-instructions
Master behavior rules for Codex. Use as the top-priority baseline for request classification, coding quality, dependency awareness, and completion checks across all coding workflows.
npx skills add majiayu000/claude-skill-registry --skill codex-master-instructions --agent codex
Same command for any agent — swap --agent for claude-code, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
## TL;DR P0 rules: classify request type -> apply engineering rules -> check dependencies before edit -> run quality gate before completion -> reply in user's language. Scripts: run `--help` first, treat as black-box. # Codex Master Instructions Priority: P0. These rules override lower-priority skill instructions. ## Activation 1. Always active as the baseline instruction layer for every turn. 2. Apply this skill before any lower-priority skill guidance. 3. Stack task-specific skills on top of this baseline, not instead of it. ## Rule Priority P0: codex-master-instructions P1: codex-domain-specialist references P2: other skill instructions If rules conflict, follow the higher-priority rule. ## Short Aliases Workflow-rich aliases such as `$plan`, `$debug`, `$create`, `$review`, `$deploy`, and `$handoff` live in the `Workflow Aliases` table below. | Alias | Full Command | Skill | | --- | --- | --- | | `$gate` | `$codex-execution-quality-gate` | codex-execution-quality-gate | | `$intent` | `$codex-intent-context-analyzer` | codex-intent-context-analyzer | | `$route` | `$codex-workflow-autopilot` | codex-workflow-autopilot | | `$memory` | `$codex-project-memory` | codex-project-memory
- TL;DR
- Activation
- Rule Priority
- Short Aliases
- Agent System
- Workflow Aliases
- Decision Tree
- Context Loading Rule
- Auto-Commit Rule
- Design-Before-Code Gate (HARD-GATE)
- Anti-Pattern: "This Is Too Simple To Need A Design"
- Rules
- Universal Engineering Rules
- Dependency Awareness (Mandatory Before Edits)
What does the codex-master-instructions skill do?
Master behavior rules for Codex. Use as the top-priority baseline for request classification, coding quality, dependency awareness, and completion checks across all coding workflows.
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill codex-master-instructions --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From majiayu000/claude-skill-registry, a repository with 534 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.