Catalog

August 11, 2026 · View on GitHub

Tutorials

ModuleCore artifact
00 · Mental modelSurface and task selection
01 · Sandbox and approvalsRisk-based permission profiles
02 · CLI and surfacesSafe first-session checklist
03 · Prompts and plansFour-part prompt contract
04 · AGENTS.mdRoot and nested instruction strategy
05 · Engineering skillsSkill anatomy and installation
06 · MCP and toolsTool selection and safety review
07 · Testing and reviewVerify-and-review loop
08 · SubagentsBounded delegation
09 · OrchestrationParallel work protocol
10 · Context efficiencyContext budget and summary contracts
11 · Automation and pluginsPromotion path from prompt to automation
12 · TroubleshootingLayer-by-layer diagnosis
13 · Living Codex wikiReview-first knowledge compilation

Installable skills

SkillBundled reference
engineering-loopreferences/loop-contract.md, references/hard-debugging.md
build-frontendreferences/verification.md
build-backendreferences/contracts-and-data.md
operate-devopsreferences/change-safety.md
review-codereferences/review-checklist.md, references/review-lenses.md
test-softwarereferences/test-strategy.md
review-securityreferences/threat-checklist.md
orchestrate-engineeringreferences/context-budget.md
maintain-codex-wikireferences/source-policy.md, references/article-template.md, scripts/wiki_lint.py

Living knowledge

Copy-ready examples

Hands-on lab

Official references