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PR quality checklist for ensuring comprehensive, well-documented pull requests. Use before submitting PRs to improve review efficiency and code quality.

RESTful API design guidelines following the Richardson Maturity Model through to Level 3 (HATEOAS) for Ruby on Rails. This skill should be used when designing,…

Convert long text into Slack-optimized format with emojis, bullets, code blocks, and threading suggestions

Implements stateful agent graphs using LangGraph. Use when building graphs, adding nodes/edges, defining state schemas, implementing checkpointing, handling…

Use when you need complete SF Symbols API reference including every rendering mode, symbol effect, configuration option, UIKit equivalent, and platform…

DigitalOcean containers and images including Container Registry, preconfigured images, and custom images. Use when building, storing, or deploying container…

Develop, test, build, and deploy Godot 4.x games. Use when working with Godot Engine, GDScript, GdUnit4 testing, PlayGodot automation, or exporting games to…

Use when animating carousels, sliders, image galleries, or horizontally scrolling content for smooth navigation

Comprehensive, data-backed email marketing knowledge base. 908 sources, 4,798 insights. Use when reviewing email setups, building automation flows, diagnosing deliverability, writing email copy, selecting platforms, or pulling benchmarks. Covers strategy, flows, deliverability, copywriting, segmentation, compliance, cold email, and 19 industry playbooks.

Export and sync Douban (豆瓣) book/movie/music/game collections to local CSV files via Frodo API. Supports full export (all history) and RSS incremental sync (recent items). Use when the user wants to export Douban reading/watching/listening/gaming history, back up their Douban data, set up incremental sync, or mentions 豆瓣/douban collections. Triggers on: 豆瓣, douban, 读书记录, 观影记录, 书影音, 导出豆瓣, export, backup, sync, collection.

Look up Gemini API documentation, SDK patterns, and current best practices when building with Google Gemini. Maps topics to local cached docs and live sources,…

Provides brand color psychology and strategic palette development frameworks including Color-in-Context Theory, 60-30-10 Rule, color harmony systems, archetype…

Use when physics contacts don't fire, objects tunnel through walls, frame rate drops, touches don't register, memory spikes, coordinate confusion, or scene…

Integrate a raw customer agent repo with Veris end to end. Installs or verifies veris-cli, logs in, creates or reuses a Veris environment, analyzes the repo,…

Guide to using Convex components for feature encapsulation. Learn about sibling components, creating your own, and when to use components vs monolithic code.

Agno AI agent framework. Use for building multi-agent systems, AgentOS runtime, MCP server integration, and agentic AI development.

Use this skill when translating Figma designs to code, interpreting design specs, matching visual fidelity, or bridging designer-developer handoff. Triggers on Figma implementation, design-to-code, pixel-perfect, design handoff, auto layout to flexbox, Figma tokens, component variants to props, and any task requiring faithful implementation of design mockups.

Comprehensive integration guide for Chargebee billing platform. Provides API integration patterns, webhook handling, SDK usage, and schema references for…

Use when the user wants a quality review, interaction audit, or to test the workflow against realistic scenarios.

Use when creating animations that entertain, engage with humor, or create lighthearted interactive experiences.