Claude Skills by cwinvestments

Use this skill when the user says 'API integration', 'connect APIs', 'sync data', 'data mapping', 'rate limiting', or needs system-to-system connectors with authentication, rate limit handling, and error recovery. Generates API integration code with authentication (OAuth, API key, JWT), request/response mapping, rate limit handling, error recovery with circuit breakers, and sync monitoring. Do NOT use for visual n8n workflows or webhook receiving.

Use this skill when the user says 'content pipeline', 'content automation', 'auto-publish', 'repurpose content', 'multi-platform publishing', or needs end-to-end content workflow from ideation through cross-platform formatting and publishing. Do NOT use for single social media posts or individual blog posts.

Use this skill when the user says 'cron job', 'scheduled task', 'run every', 'cron expression', 'recurring job', or needs production-grade scheduled jobs with overlap prevention, monitoring, and structured logging. Do NOT use for n8n workflows or event-driven webhooks.

Use when the user says 'what MCP servers', 'find an MCP for', 'hosted MCP', 'list MCP servers', 'MCP catalog', 'available MCP tools', or needs to discover zero-setup hosted MCP servers they can use immediately. Do NOT use for building MCP servers or configuring local MCP.

Use this skill when the user says 'n8n workflow', 'build a workflow', 'automation workflow', 'connect services', or needs visual workflow design with node mapping, data transformations, and error handling for n8n. Do NOT use for standalone webhook endpoints or cron jobs.

Use this skill when the user says 'webhook', 'webhook handler', 'webhook endpoint', 'receive events', 'HMAC verification', 'idempotency', or needs secure webhook handlers with signature verification, retry handling, and dead letter queues. Do NOT use for full n8n workflows or scheduled tasks.

Use this skill when the user says 'client onboarding', 'new client', 'onboard client', 'kickoff meeting', 'intake form', 'welcome email', or needs welcome sequences, questionnaires, and setup checklists for new clients. Do NOT use for contracts or invoicing.

Use this skill when the user says 'contract', 'agreement', 'service agreement', 'NDA', 'freelance contract', 'consulting agreement', or needs service agreements with IP ownership, payment terms, and termination clauses. Do NOT use for invoicing or client onboarding.

Use this skill when the user says 'financial model', 'projections', 'revenue forecast', 'unit economics', 'break-even', 'cash flow', or mentions MRR, churn, CAC, LTV, or runway. Builds monthly projections with scenario modeling. Do NOT use for pricing strategy or invoice generation.

Use when the user says 'track my time', 'freelancer invoice', 'billable hours', 'time tracking', 'freelance finances', 'client billing', 'project hours', or needs invoicing, time tracking, or analytics patterns for freelance work. Do NOT use for general invoice templates or proposal writing.

Use this skill when the user says 'GDPR', 'data protection', 'privacy compliance', 'DPA', 'DSAR', 'data subject request', 'cookie consent', 'privacy audit', 'CCPA', or asks 'do I need GDPR for this repo'. Scans the repository to detect what personal data is collected, classifies sensitivity, determines whether GDPR applies and how critical it is, then reports required roles, obligations, and remediation. Do NOT use for general security audits (use owasp-top10) or contract drafting (use contra...

Use this skill when the user says 'invoice', 'generate invoice', 'create invoice', 'bill client', 'line items', 'payment terms', or needs professional invoices with tax calculations and payment instructions. Do NOT use for contracts or financial projections.

Use this skill when the user says 'licensing', 'license audit', 'can I use this commercially', 'OSS license check', 'license compatibility', 'GPL', 'MIT', 'AGPL', 'copyleft'. Scans the repository for every dependency and asset license, then produces a per-package verdict table: ready for commercial use, citation/attribution required, more information needed, or commercial use not allowed. Do NOT use for vulnerability scanning (use dependency-audit) or contract drafting (use contract-template).

Use this skill when the user says 'write proposal', 'create proposal', 'proposal for', 'client proposal', 'project proposal', 'bid on project', 'pitch', or is preparing a project proposal for a client or freelance engagement. Do NOT use for contracts, invoices, or onboarding.

Use this skill when the user says 'scope of work', 'SOW', 'define scope', 'project scope', 'write SOW', 'scope document', or is defining project boundaries, deliverables, and acceptance criteria for a formal engagement. Do NOT use for proposals, contracts, or invoicing.

Use this skill when the user says 'create SOP', 'write SOP', 'standard operating procedure', 'document process', 'process documentation', 'runbook', 'playbook', or is creating step-by-step documentation for a repeatable process. Do NOT use for project proposals or scope documents.

Use when the user says 'headroom', 'compression', 'token savings', 'proxy status', or asks about context window usage.

Use this skill when the user says 'write blog post', 'blog post about', 'write article', 'create blog', 'content for blog', 'write post', or is creating long-form written content for a blog or publication. Do NOT use for landing page copy, email sequences, or social media posts.

Use this skill when the user says 'write email sequence', 'email sequence', 'drip campaign', 'email series', 'nurture sequence', 'onboarding emails', 'launch emails', or is creating a multi-email automated campaign. Do NOT use for newsletters or single marketing emails.

Use this skill when the user says 'write landing page', 'landing page copy', 'sales page', 'hero section', 'conversion copy', or is creating persuasive short-form copy for a product or service landing page. Do NOT use for blog posts or email sequences.

Use this skill when the user says 'newsletter', 'email newsletter', 'weekly digest', 'subscriber growth', 'open rates', or needs subject lines, content structure, sponsorship placement, and growth tactics for email newsletters. Do NOT use for lead magnets or content pipelines.

Use this skill when the user says 'product description', 'product listing', 'product copy', 'Amazon listing', 'Shopify listing', 'e-commerce copy', or needs conversion-optimized product descriptions with benefit-driven headlines and platform-specific SEO. Do NOT use for pricing strategy or sales funnels.

Use this skill when the user says 'TikTok script', 'TikTok video', 'Reels script', 'Shorts script', 'short-form video', or needs timestamped scripts with hooks, visual cues, and captions for 15-60 second videos. Do NOT use for Twitter threads or webinar scripts.

Use this skill when the user says 'twitter thread', 'tweet thread', 'X thread', 'viral thread', or wants to create a multi-tweet narrative with hook tweets, data points, and CTAs. Do NOT use for TikTok scripts, newsletters, or LinkedIn posts.

Use this skill when the user says 'YouTube script', 'video script', 'write script for YouTube', 'YouTube video outline', or is creating scripted content for a YouTube video with hooks, chapters, and CTAs. Do NOT use for TikTok/Reels short-form scripts or webinar presentations.

Use this skill when the user says 'CI/CD', 'GitHub Actions', 'pipeline', 'continuous integration', 'continuous deployment', 'ci-cd-pipeline', 'automate deploys', or needs to set up automated build, test, and deployment pipelines. Do NOT use for one-time manual deployments.

Use this skill when the user says 'Docker', 'Dockerfile', 'docker-compose', 'containerize', 'docker-setup', or needs to containerize an application with optimized Docker images and compose configurations. Do NOT use for serverless or static site deployments.

Use this skill when the user says 'setup domain', 'configure DNS', 'SSL certificate', 'domain-ssl', 'custom domain', 'HTTPS setup', or needs to configure DNS records, SSL certificates, and custom domains for any hosting provider. Do NOT use for full deployment workflows.

Use this skill when the user says 'Hetzner', 'VPS setup', 'server provisioning', 'deploy to VPS', 'hetzner-setup', 'cloud server', or needs to provision, harden, and deploy applications to a Hetzner Cloud server with Docker, Nginx/Caddy, SSL, and monitoring. Do NOT use for managed platform deployments like Railway or Netlify.

Use this skill when the user says 'deploy to Netlify', 'Netlify setup', 'netlify-deploy', or needs to deploy a static site or serverless functions to Netlify with build configuration and custom domains. Do NOT use for Railway, Vercel, or VPS deployments.

Use this skill when the user says 'deploy to Railway', 'Railway setup', 'railway-deploy', or needs to deploy a Node.js, Python, or Docker application to Railway with environment variables, custom domains, and monitoring. Do NOT use for Netlify, Vercel, or Hetzner deployments.

Use this skill when the user says 'design API', 'API endpoints', 'REST API', 'API designer', 'route structure', 'API architecture', or is designing RESTful API routes, request/response schemas, and endpoint organization. Do NOT use for API security audits or database design.

Use when the user says 'generate changelog', 'update changelog', 'what changed', 'release notes', 'write changelog', or needs a formatted CHANGELOG.md from git commit history. Do NOT use for diary entries, git log viewing, or commit message writing.

Use this skill when the user says 'review code', 'code review', 'check my code', 'audit this', 'review PR', 'review changes', 'what\'s wrong with this', or is requesting a structured review of code quality, security, performance, or maintainability. Do NOT use for refactoring plans or test generation.

Use when the user says 'teach me', 'explain as you go', 'mentor mode', 'walk me through', 'help me learn', 'explain why', 'learning mode', or wants real-time plain language narration of decisions and tradeoffs while building. Do NOT use for code review or debugging.

Use this skill when the user says 'migration', 'schema change', 'database migration', 'alter table', 'add column', 'change type', 'rollback plan', or needs safe database schema evolution with zero-downtime strategies. Do NOT use for initial database design (use database-architect) or code refactoring.

Use this skill when the user says 'performance audit', 'why is it slow', 'optimize performance', 'page speed', 'Core Web Vitals', 'lighthouse', 'load time', or needs to diagnose and fix frontend or backend performance issues. Do NOT use for code reviews or security audits.

Use this skill when the user says 'refactor', 'refactoring plan', 'code cleanup', 'reduce duplication', 'simplify code', 'tech debt', 'god class', 'tight coupling', or needs to systematically improve existing code. Identifies targets, assesses risk, and builds incremental execution plans. Do NOT use for writing new features or database migrations.

Use this skill when the user says 'write tests', 'add tests', 'test coverage', 'unit tests', 'integration tests', 'component tests', 'mocking', 'edge cases', or needs to generate tests with proper mocking and edge case coverage. Do NOT use for refactoring plans or database migrations.

Use when the user says 'write browser tests', 'test this page', 'playwright test', 'e2e test', 'end to end test', 'browser test', 'test the UI', or needs Playwright-based browser testing for a web application. Do NOT use for unit tests, API tests, or non-browser testing.

Use when the user says 'save diary', 'log session', 'wrapping up', or at end of a productive session.

Use when the user references past sessions, asks 'what did we do', 'do you remember', 'last session', 'recall', or 'continue from'.

Use when the user says 'dispatch', 'send familiar', 'split task', or needs work split across parallel CC sessions.

Use when the user says 'forge this', 'new skill', 'create enchantment', or wants to create a MemStack skill.

Use when the user says 'new project', 'project init', 'what tier', 'scope', or discusses project maturity, complexity budget, or what's appropriate to build.

Use when the user says 'update context', 'update claude', 'save library', or after significant project changes.

Use when the user says 'humanize', 'clean up writing', 'make it sound natural', or wants text to not sound AI-generated.

Use this skill when the user says 'competitor analysis', 'competitive analysis', 'compare products', 'market positioning', 'competitive gaps', or needs pricing, feature, and messaging comparisons against competitors. Do NOT use for setting your own pricing strategy.

Use this skill when the user says 'facebook ad', 'FB ad', 'Meta ad', 'Instagram ad', or needs social media ad copy with targeting, creative direction, and A/B test plans for Meta Ads Manager. Do NOT use for Google search ads or organic social content.

Use this skill when the user says 'google ad', 'search ad', 'PPC', 'Google Ads', 'responsive search ad', 'ad extensions', or needs keyword groups, headlines, descriptions, and Quality Score optimization for Google Ads. Do NOT use for Facebook/Meta ads or SEO.