Production-grade skills for AI coding agents. Install via skills.sh.
Skill Claude CodeCodex
Build production AI agents with the Claude Agent SDK (TypeScript: @anthropic-ai/claude-agent-sdk, Python: claude-agent-sdk). Use this skill whenever: building programmatic agents with Claude, using query() or ClaudeSDKClient, configuring hooks/subagents/MCP servers/custom tools, setting up permissions or sessions…
Skill Claude CodeCodex
Diagnose and fix slow databases the way a DBA does — measure first, read the plan, then change one thing. Use this skill whenever a query, endpoint, job or report is slow, times out, or got slower after a deploy; whenever someone asks about indexes (missing, unused, duplicate, composite order, partial, covering…
Skill Claude CodeCodex
Covers building, extending, debugging, and maintaining Foundry VTT modules for v13+. This skill applies when scaffolding a new module, writing custom Actor/Item types with TypeDataModel, building ApplicationV2 sheets or dialogs, registering hooks or settings, implementing socket communication, extending the canvas…
Skill Claude CodeCodex
Covers building, extending, and maintaining Foundry VTT game systems for v13+. This skill applies when scaffolding a new system, defining Actor/Item types with TypeDataModel, customizing dice mechanics, implementing combat & initiative, building character sheets, handling system data migration, or configuring…
Skill Claude CodeCodex
Comprehensive game MVP interviewer and planner. Interviews you in progressive groups, researches genre conventions and reference games, then produces an actionable MVP First Draft with starter project files. Use when starting a new game project from scratch.
Skill Claude CodeCodex
Analyzes a game system against design principles — economy health metrics, difficulty curve, reward schedules, and progression cost curves. Flags imbalances with severity levels. Use after creating an MVP plan with game-architect. Extract the analysis scope (economy/difficulty/progression/rewards/all) from the user's…
Skill Claude CodeCodex
Builds a game component from the MVP plan — production TypeScript + Vitest tests + mock dependencies + build registry tracking. Extract the component name from the user's message (or "status" to check progress). Requires docs/mvp-first-draft.md — run game-architect first.
Skill Claude CodeCodex
Adds a new feature to an existing MVP plan — scoped architect interview, scope validation against original plan, and integration into the build sequence. Extract the feature name or description from the user's message. Requires docs/mvp-first-draft.md — run game-architect first.
Skill Claude CodeCodex
Adds or updates a single world lore entry (faction, location, NPC, or event) — validates against existing lore for consistency, applies the right template, and updates docs/world-lore.md. Extract the entry type (faction/location/npc/event) and name from the user's message.
Skill Claude CodeCodex
Designs a single quest end-to-end — coherence check, objective tree, quest brief, and registry entry. Extract the quest name from the user's message. Requires docs/world-lore.md and docs/quest-registry.md.
Skill Claude CodeCodex
Audits existing game code against design principles — checks server-authority, schema conventions, auth security, payment safety, narrative coherence, and MVP scope drift. Extract the optional component name or path from the user's message (defaults to entire src/). Use after building components or before committing.
Skill Claude CodeCodex
Prepare, audit, implement, homologate, and publish Nuvemshop/Tiendanube apps. Use when the user needs help with Nuvemshop Partner Portal app creation, public App Store publication, private client distribution, OAuth, scopes, webhooks, API usage, NubeSDK migration or development, Nexo embedded admin apps, Nimbus/design…
Skill Claude CodeCodex
Use when the user asks about OpenClaw — installation, configuration, agents, channels, memory, tools, hooks, skills, deployment, Docker, multi-agent, OAuth, gateway, CLI, browser, exec, PDF, voice, secrets, sandboxing, sessions, cron, webhooks, heartbeat, sub-agents, nodes, companion devices, canvas, camera, or…
Skill Claude CodeCodex
Use when implementing animations, transitions, or motion effects in React apps. Invoke this skill whenever someone asks about animation, transition, motion, framer motion, react spring, GSAP, entrance/exit effects, scroll animation, parallax, gesture, drag, card flip, screen shake, health bar, damage numbers, loading…
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: