Organize dependent code changes into a chain of branches and pull requests, so reviewers can examine one layer at a time. The skill guides stack creation, edits, synchronization, rebasing, and merging with gh-stack.
Audit a React codebase using React Doctor scan results and code inspection. It ranks issues by impact and effort, then writes detailed implementation plans that another agent can execute, while leaving source code unchanged during the audit.
Build, audit, and fix lists using @legendapp/list in React, React Native, and web apps. It investigates scrolling gaps, stale rows, layout measurements, and chat positioning, then validates changes with representative data and performance evidence.
Implement and review React, React Native, and TypeScript interfaces to reduce unnecessary rendering. It guides state placement, Hook dependencies, and memoization—reusing calculations or components—with performance checks that preserve correct screen updates.
Inspect React Native components, their input values and internal state, and measure rendering performance for a specific interaction. Use the findings to investigate slow components, repeated rendering, and the causes behind a component rendering again.
Simplify code, tests, documentation, and configuration while preserving required behavior. Use it during implementation or before handoff to remove duplication, reuse existing mechanisms, and validate that each remaining part serves a clear purpose.
Build and style React Native components using Tailwind CSS v4 classes with Uniwind. The reference covers project setup, component-specific styling properties, theme configuration, and ways to apply classes to third-party components while avoiding common implementation mistakes.
Upgrade Expo SDK projects and resolve dependency issues with a structured migration checklist. The skill covers diagnostics, deprecated package replacements, configuration cleanup, native project considerations, and checks for navigation, camera, audio, and video features.
Refactor React components into reusable pieces with clearer interfaces. Provides patterns for replacing excessive boolean settings, sharing state through providers, and designing component libraries, with additional guidance for React 19 APIs.
Build and improve mobile apps with React Native and Expo using prioritized implementation rules. Covers faster lists, animations, images, navigation, state management, and native dependencies, with explanations and code examples for reviewing common implementation choices.
Guide app automation on iOS, tvOS, macOS, and Android using help matched to the installed agent-device CLI. Tasks include screen inspection, taps, text entry, scrolling, and collecting logs, network information, or performance evidence.
Build app screens with Expo Router using guidance on layout, navigation, native tabs, and animations. It covers route organization and styling patterns, with Expo Go as the starting point for testing.
Investigate React Native performance problems, including choppy screens, slow startup, large bundles, and memory leaks. The guidelines help measure the affected interaction, choose a targeted change, and repeat measurements to verify its effect.
Run the Tuesday delivery review for Stella — collect the week's merged PRs, reconcile them against the Feishu task table, create or refresh tasks, and report what shipped. Use when the user says "跑周报", "weekly delivery", "本周交付", "补飞书任务", or asks what merged in a given week.
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Standard IMAP/SMTP email client for Gmail, Outlook, and self-hosted accounts. Use when user mentions email, inbox, send email, check mail, read message, compose, reply, set up email, add email account, configure email (non-Lark/Feishu accounts).
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Index of all COSS UI particle examples. Use when implementing UI features to find copy-paste-ready component patterns built on coss primitives. Each particle has a description and a JSON URL for easy installation.
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Extract text, tables, metadata, and images from 97+ document formats (PDF, Office, images, HTML, email, archives, academic) using Xberg CLI.
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Create robust Python automation with full logging and safety checks. Use when tasks need complex data processing, authenticated API work, conditional file operations, or error handling beyond simple shell commands.
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Self-knowledge for stella, the self-hosted AI assistant. Use when users ask about configuration, setup, onboarding, providers, models, agents, channels, webhooks, memory, schedules, workflows, goals, workers, skills, plugins, session compaction, notifications, self-update, multi-user behavior, or how stella works. Also use for changing models, setting up channels or webhooks, configuring providers, updating stella, onboarding, switching agents, reporting bugs, and goal status or acceptance.
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Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
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Reading assistant for saving, organizing, and recalling web content. Use when the user says "save this article", "read this link", "summarize this", "check my feeds", "add to my library", or asks about previously saved content. Handles articles, tweets, YouTube videos, GitHub repos, PDFs, and RSS feeds. Articles are stored with their metadata and indexed for fast search.
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Create polished single-file HTML artifacts for plans, reports, explainers, code reviews, lightweight dashboards, prototypes, and one-off editing tools. Use when the user asks for a standalone HTML file, single HTML, HTML artifact, interactive report, shareable local artifact, Alpine.js artifact, custom CSS artifact, copy/export UI, or a browser-openable deliverable instead of Markdown.
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Read the public web: search for sources, read one page as Markdown, and run site scripts for structured records (X/Twitter via FxEmbed, Exa search, GitHub, Hacker News, Reddit, Wikipedia, Bilibili bundled; a catalog of more installable with one command). Use for any task that needs something from a public website: a topic without a URL, a URL to read, a site's records (a tweet, a timeline, a repo's stats, a front page, a ranking), or a page that only renders with JavaScript.
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Helps implement coss UI components correctly. Use when building UIs with coss primitives (buttons, dialogs, selects, forms, menus, tabs, inputs, toasts, etc.), migrating from shadcn/Radix to coss/Base UI, composing trigger-based overlays, or troubleshooting coss component behavior. Covers imports, accessibility, Tailwind styling, and common pitfalls.
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