Codex-native CLI for AI-assisted game development, scaffolding local projects with studio roles, bounded prompts, and hard-failing validation.
Skill Claude CodeCodex
Use for adopt tasks that inventory existing source, assets, docs, and tests before mapping work into CGS structure; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for architecture decision tasks that write an ADR with context, options, decision, consequences, validation, and rollback; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for architecture review tasks that review architecture for layer violations, scalability risks, engine misuse, testing seams, and production readiness; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for art bible tasks that define visual identity, shape language, palette, camera, animation, UI style, and asset constraints; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for asset audit tasks that audit game assets for completeness, naming, import settings, ownership, licensing, and production risk; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for asset spec tasks that specify an individual asset with purpose, constraints, references, dimensions, states, and acceptance criteria; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for balance check tasks that evaluate tuning values, progression pacing, economy levers, exploits, and player-skill assumptions; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for brainstorm tasks that explore the game idea with player fantasy, verbs, pillars, audience, constraints, and scope tiers; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for bug report tasks that capture a reproducible bug with environment, steps, expected/actual behavior, severity, evidence, and owner; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for bug triage tasks that classify bugs by severity, priority, reproduction confidence, owner role, risk, and release impact; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for bugfix tasks that fix a bounded bug with reproduction evidence, minimal change, regression coverage, and handoff notes; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for changelog tasks that maintain a developer-facing changelog grouped by feature, fix, content, performance, and breaking change; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for code review tasks that review changes for correctness, maintainability, security, tests, engine idioms, and scope control; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for consistency check tasks that find contradictions across design, narrative, systems, UI, content, and implementation artifacts; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for content audit tasks that audit content coverage, duplication, tone consistency, localization needs, and production completeness; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for create architecture tasks that design the technical architecture, layers, data ownership, engine boundaries, and control manifest; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for create control manifest tasks that define implementation rules, boundaries, allowed dependencies, validation commands, and review gates; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for create epics tasks that break project goals into epics with outcomes, dependencies, risks, and validation gates; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for create stories tasks that break an epic into small stories with acceptance criteria, owner role, files, and verification; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for day one patch tasks that plan launch-window fixes, risk acceptance, validation, platform submission, and player communication; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for design review tasks that review design artifacts against pillars, player experience, production scope, and downstream implementation risk; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for design system tasks that author a system GDD with rules, data, edge cases, progression, feedback, and implementation acceptance tests; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for dev story tasks that turn a design or bug into an implementation-ready story with owner, files, acceptance tests, and dependencies; produce verification evidence, changed or proposed files, and handoff boundaries.
Skill Claude CodeCodex
Use for estimate tasks that estimate scope using uncertainty, dependencies, discipline handoffs, risk buffers, and confidence ranges; produce verification evidence, changed or proposed files, and handoff boundaries.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: