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Found 169 Skills
Build and audit Linear/Vercel/Notion-quality UI. Covers color systems, motion, progressive disclosure, keyboard-first design, layout architecture, surface elevation, information density, micro-interactions, and state handling. Use when building UI components, reviewing design quality, creating pages, or when the user asks for a design review.
Operate execution flow across GitHub and Linear by triaging issues and pull requests, linking active work, and keeping GitHub public-facing while Linear remains the internal execution layer. Use when the user wants backlog control, PR triage, or GitHub-to-Linear coordination.
Vercel Chat SDK expert guidance. Use when building multi-platform chat bots — Slack, Telegram, Microsoft Teams, Discord, Google Chat, GitHub, Linear — with a single codebase. Covers the Chat class, adapters, threads, messages, cards, modals, streaming, state management, and webhook setup.
Implement Angular Progress Bar components for visual progress tracking. Use when you need to show determinate, indeterminate, or buffered progress in linear or circular shapes with animations, customization, and accessibility support.
Comprehensive guide for implementing Syncfusion Angular button components including Button, ButtonGroup, DropDownButton, Floating Action Button (FAB), ProgressButton, RadioButton, Switch, Speed Dial, SplitButtons. Use this when implementing and styling these components - covering visual styles (primary, outline, toggle, icon, round, block), grouping, dropdowns with popup items and animations, FAB positioning/scoping, Speed Dial linear/radial action items, progress-enabled buttons, and toggle/radio controls.
Spatial data gridding and interpolation with a machine-learning style API. Process geographic and Cartesian point data onto regular grids. Use when Claude needs to: (1) Grid scattered spatial data onto regular grids, (2) Interpolate point data using splines, linear, or cubic methods, (3) Process geographic coordinates with projections, (4) Reduce large datasets using block averaging, (5) Remove polynomial trends from spatial data, (6) Cross-validate gridding parameters, (7) Create processing pipelines with Chain, (8) Grid vector data like GPS velocities.
Premium UI design engineering skill for creating, redesigning, polishing, and judging product-specific interfaces with senior-level craft. Use when Codex works on frontend design, UX/UI, design systems, dashboards, SaaS apps, landing pages, commerce, portfolios, visual polish, interaction quality, or wants output in the spirit of Vercel, Linear, Raycast, Awwwards, and high-end product teams. Composes with no-slop as the anti-generic gate.
Generate product changelog entries, X/Twitter posts, and Slack announcements for Leather wallet releases. Use when creating release communications including changelog entries for app.leather.io/changelog, announcement tweets (single or threads), and community Slack posts. Inputs may include verbal feature descriptions, Linear projects, or GitHub PRs.
Git best practices for commit messages and branch workflow. Use when: - Writing, reviewing, or advising on a git commit message - Advising on branching strategy, merging, or rebasing - Setting up or explaining a team Git workflow - Preparing or reviewing a pull request - Resolving or advising how to avoid merge conflicts - Any task involving git history, linear history, or PR hygiene
Analyze complex systems through stocks, flows, and feedback loops to find high-leverage interventions. For organizational, environmental, social, and technical systems exhibiting circular causality. NOT for linear problems or simple cause-effect chains.
Statistical models library for Python. Use when you need specific model classes (OLS, GLM, mixed models, ARIMA) with detailed diagnostics, residuals, and inference. Best for econometrics, time series, rigorous inference with coefficient tables. For guided statistical test selection with APA reporting use statistical-analysis.
Worker that runs existing tests to catch regressions. Auto-detects framework, reports pass/fail. No status changes or task creation.