Create and update Codex custom agents using standalone custom-agent TOML files.

Create a Gmail filter to automatically label, star, or categorize incoming messages.

Move a Google Calendar event to a new time and automatically notify all attendees.

Copy a Google Docs template, fill in content, and share with collaborators.

Append a deal status update to a Google Sheets sales tracking spreadsheet.

Plans PM career growth using frameworks from 40+ career episodes and Ami Vora's advancement strategies. Use when planning promotions, identifying skill gaps, navigating career transitions, or choosing between IC and management paths.

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

Add bitcoin lightning wallet capabilities to your app using Nostr Wallet Connect (NIP-47), LNURL, and WebLN. Send and receive payments, handle payment notifications, fetch wallet balance and transaction list, do bitcoin to fiat currency conversions, query lightning addresses, conditionally settle payments (HOLD invoices), parse BOLT-11 invoices, verify payment preimages.

Use ONLY when the user explicitly says: 'use the skill web-to-markdown ...' (or 'use a skill web-to-markdown ...'). Converts webpage URLs to clean Markdown by calling the local web2md CLI (Puppeteer + Readability), suitable for JS-rendered pages.

FastAPI best practices and conventions. Use when working with FastAPI APIs and Pydantic models for them. Keeps FastAPI code clean and up to date with the latest features and patterns, updated with new versions. Write new code or refactor and update old code.

Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

Code review practices emphasizing technical rigor, evidence-based claims, and verification. Use when receiving code review feedback, completing tasks requiring review, or before making completion claims.

Comprehensive guide for building serverless applications with Cloudflare Workers. Use when developing Workers, configuring bindings, implementing runtime APIs, testing Workers, using Wrangler CLI, deploying to production, or building edge functions with JavaScript/TypeScript/Python/Rust.

Master defensive Bash programming techniques for production-grade scripts. Use when writing robust shell scripts, CI/CD pipelines, or system utilities requiring fault tolerance and safety.

You are an accessibility expert specializing in WCAG compliance, inclusive design, and assistive technology compatibility. Conduct audits, identify barriers, and provide remediation guidance.

Use when creating a new skill, writing a skill from scratch, or converting a process into a reusable skill — enforces TDD, empirical validation, and quality monitoring

Use when starting a new initiative spike, investigating technical feasibility, assessing impact across services, or writing an engineering discovery document — produces a structured spike doc with diagrams and a private notes file

Work with advanced layer types including WMS, WFS, WMTS, OGCFeatureLayer, KMLLayer, MapImageLayer, CatalogLayer, and MediaLayer. Use for OGC services, server-side rendering, and georeferenced media content.

Turn a vague research direction into a problem-anchored, elegant, frontier-aware, implementation-oriented method plan via iterative Gemini review. Use when the user says "refine my approach", "帮我细化方案", "decompose this problem", "打磨idea", "refine research plan", "细化研究方案", or wants a concrete research method that stays simple, focused, and top-venue ready instead of a vague or overbuilt idea.

Verify research idea novelty against recent literature. Use when user says "查新", "novelty check", "有没有人做过", "check novelty", or wants to verify a research idea is novel before implementing.