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Modern CSS Standards for CUI Projects
Development
Use this skill to apply modern CSS standards for CUI projects, including BEM naming, custom properties, Grid/Flexbox, and container queries. It provides guidelines for responsive design, performance optimization, accessibility, and tooling setup (PostCSS, Stylelint). Best when writing, modifying, or reviewing CSS in a professional development environment.
API Platform Audit
Development
Audits an existing API Platform project to verify best practices, security, performance, and configuration consistency. It inventories API resources, checks serialization groups, security attributes, pagination, caching, and generates a structured audit report with scores. Useful for reviewing or improving the quality of an API Platform based application.
Google Calendar Sync Setup Wizard
Development
Guides through configuring a Google Cloud service account to sync events with Google Calendar. Uses gcloud CLI to automate most steps, with manual interventions for browser auth and Admin Console. Helps when setting up calendar sync, service accounts, or domain-wide delegation.
Advanced SEO Optimizer
Development
Analyzes your codebase and implements comprehensive SEO optimizations: meta tags, structured data, sitemaps, and Core Web Vitals improvements. Ideal for Next.js, Astro, React, or static HTML projects needing better search engine visibility.
Skill SDK Utilities
Development
The Skill SDK Utilities provide core infrastructure for the skill system, including loading skill instructions with caching, registering skills with the Anthropic Agent SDK, and intelligent auto-selection of skills based on queries. This internal toolkit helps manage skill metadata and integration points, reducing disk I/O and enabling seamless skill workflow execution.
Git Worktree Cleanup
Development
Clean up a Git worktree by name, ticket ID, or partial match. Automatically closes associated iTerm tab, releases port assignments, removes the worktree directory, and deletes the branch. Use when you need to remove a worktree, optionally force-cleaning even with uncommitted changes.
Agent Skills for Claude Code
Development
Create, manage, and share modular Skills to extend Claude's capabilities in Claude Code. Skills are model-invoked packages of instructions and scripts that Claude automatically uses when relevant. This skill covers creating personal, project, and plugin Skills, writing SKILL.md with YAML frontmatter, and adding supporting files.
Browser Extension Manifest V3 Mastery
Development
Expert-level skill for building 2025/2026-grade browser extensions using Manifest V3. Focuses on service worker persistence through Alarms and Offscreen API, Side Panel integration, and cross-browser compatibility. Essential for creating robust extensions that avoid volatile-state bugs and adhere to modern security standards.
Git Worktrees Management
Development
Manage git worktrees to develop multiple features in parallel without conflicts. Supports creating, listing, removing, checking status, and switching between worktrees.
Amend Commit
Development
Modifies the most recent commit by adding staged changes, updating the message, or both. Helps when you need to add forgotten files, fix a typo in the commit message, or reformat it to follow Conventional Commits.
SDLC Studio - Software Pipeline Management
Development
Manages the full software development pipeline from PRD creation through epic and user story generation to implementation and test automation. Supports both greenfield specification authoring and brownfield specification extraction from existing code. Use it when you need to structure a new project or document and validate an existing codebase.
Qoder Agent (Print Mode)
Development
Delegate coding tasks to the Qoder CLI in non-interactive Print mode. Use this for building new features, code reviews, refactoring, or iterative coding that requires file exploration. It supports subagents, worktrees, and MCP servers, but is not intended for simple one-line fixes or reading code.