Wire Commands, Agents, and Skills together for complex features. Use when building features that need research, planning, and implementation phases.

Prevent destructive operations using Claude Code hooks. Three modes — cautious (warn on dangerous commands), lockdown (restrict edits to one directory), and clear (remove restrictions). Uses PreToolUse matchers for Bash, Edit, and Write.

Score every decision point with a Thoroughness Rating (1-10). AI makes the marginal cost of doing things properly near-zero — pick the higher-rated option every time. Includes scope checks to distinguish contained vs unbounded work.

Comprehensive accessibility guidelines based on WCAG 2.2 and Lighthouse accessibility audits. Goal: make content usable by everyone, including people with disabilities.

Search engine optimization based on Lighthouse SEO audits and Google Search guidelines. Focus on technical SEO, on-page optimization, and structured data.

pgvector-semantic-search

postgres-hybrid-text-search

You are operating in **codex exec** - a non-interactive automation mode for hands-off task execution.

AWS Secrets Manager for secure secret storage and rotation. Use when storing credentials, configuring automatic rotation, managing secret versions, retrieving secrets in applications, or integrating with RDS.

AWS SQS message queue service for decoupled architectures. Use when creating queues, configuring dead-letter queues, managing visibility timeouts, implementing FIFO ordering, or integrating with Lambda.

Senior UI/UX Engineer. Architect digital interfaces overriding default LLM biases. Enforces metric-based rules, strict component architecture, CSS hardware acceleration, and balanced design engineering.

Upgrades existing websites and apps to premium quality. Audits current design, identifies generic AI patterns, and applies high-end design standards without breaking functionality. Works with any CSS framework or vanilla CSS.

Hit the Cloudflare REST API directly for operations that wrangler and MCP can't handle well. Bulk DNS, custom hostnames, email routing, cache purge, WAF rules, redirect rules, zone settings, Worker routes, D1 cross-database queries, R2 bulk operations, KV bulk read/write, Vectorize queries, Queues, and fleet-wide resource audits. Produces curl commands or scripts. Triggers: 'cloudflare api', 'bulk dns', 'custom hostname', 'email routing', 'cache purge', 'waf rule', 'd1 query', 'r2 bucket', 'kv bulk', 'vectorize query', 'audit resources', 'fleet operation'.

Install and configure shadcn/ui components for React projects. Guides component selection, installation order, dependency management, customisation with semantic tokens, and common UI recipes (forms, data tables, navigation, modals). Use after tailwind-theme-builder has set up the theme infrastructure, when adding components, building forms, creating data tables, or setting up navigation.

Build Google Apps Script automation for Sheets and Workspace apps. Produces scripts with custom menus, triggers, dialogs, email automation, PDF export, and external API integration.

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Track parcels and check delivery status for Australian and international couriers. Searches Gmail for dispatch/shipping emails and provides tracking links for all major Australian couriers including AusPost, StarTrack, Aramex, CouriersPlease, Sendle, Toll, Team Global Express, DHL, FedEx, TNT, Hunter Express, Border Express, Direct Freight Express, and UPS. Triggers: 'where is my parcel', 'track my order', 'has my package arrived', 'tracking status', 'check tracking', 'where is my delivery'.

Add Stripe payments to a web app — Checkout Sessions, Payment Intents, subscriptions, webhooks, customer portal, and pricing pages. Covers the decision of which Stripe API to use, produces working integration code, and handles webhook verification. No MCP server needed — uses Stripe npm package directly. Triggers: 'add payments', 'stripe', 'checkout', 'subscription', 'payment form', 'pricing page', 'billing', 'accept payments', 'stripe webhook', 'customer portal'.

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comptable

Automate any Electron desktop app using agent-browser. Electron apps are built on Chromium and expose a Chrome DevTools Protocol (CDP) port that agent-browser can connect to, enabling the same snapsho

Run `/azure-tools:setup` to configure Azure MCP.

Use when the task asks for a visually strong landing page, website, app, prototype, demo, or game UI. This skill enforces restrained composition, image-led hierarchy, cohesive content structure, and tasteful motion while avoiding generic cards, weak branding, and UI clutter.

Run `/gcloud-tools:setup` to configure GCloud MCP.

Run `/paper-search-tools:setup` to configure Paper Search MCP.

This skill should be used when working on Polar billing system, Stripe integration, subscription lifecycle, checkout flows, or benefit provisioning.

Parse and normalize features from text descriptions, images, and screenshots into structured requirements.

Git-backed state management for safe rollback. Create and restore checkpoints with tagged commits and metadata tracking.

YAML frontmatter parsing and manipulation for .planning/ documents. Provides read, write, update, query, and validation operations on frontmatter blocks in GSD markdown artifacts.

Plan structure validation, phase completeness checks, reference integrity verification, and artifact existence confirmation. Provides the structured verification layer ensuring GSD artifacts are well-formed and complete.

LangChain ReAct agent implementation with tool binding for reasoning and action loops

Match string problems to appropriate algorithms

Build and query suffix arrays and related structures

Configure HTTP/SSE transport for web-based MCP servers with proper endpoints, authentication, and CORS.

Linear programming skill for resource allocation, scheduling, and optimization problems

Integrated three-statement financial model builder linking income statement, balance sheet, and cash flow statement with circular reference handling

CDP operations for unified customer data management and audience activation

Integration with major SEO platforms and tools

Resource scheduling and assignment optimization skill for personnel and equipment allocation

Deep integration with computational fluid dynamics tools for internal and external flow analysis

Expert skill for CNC programming and toolpath optimization using CAM software

Skill for manufacturing process planning including operation sequencing and work instructions

Godot Engine integration skill for GDScript/C# development, scene composition, node management, and editor automation. Enables LLMs to interact with Godot Editor through MCP servers for asset manipulation, script generation, and automated workflows.

Unity Engine integration skill for project setup, C# scripting, scene management, prefab creation, and editor automation. Enables LLMs to interact with Unity Editor through MCP servers for asset manipulation, script generation, and automated workflows.

Universal links and deep linking skill for implementing iOS Universal Links, Android App Links, custom URL schemes, and deferred deep linking across mobile platforms.

Mobile app analytics and crash reporting integration

Expert skill for proxy server implementation, configuration, and traffic interception

Expert skill for implementing Language Server Protocol servers with full IDE feature support

Behavior tree design and implementation for robot decision making

Express.js middleware patterns, routing, error handling, security, and production best practices.