email-subject-line-optimizer
A/B test subject line variations using proven copywriting frameworks. Predict open rates based on historical performance.
Skills
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Updated 11-05 00:16
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245,536 results
meeting-intelligence-system
Analyze meeting transcripts to extract decisions, action items, blockers, sentiment, and generate follow-up emails. Use when user provides meeting notes,…
drizzle-safe-migrations
Plan safe Drizzle backfills, enum/check/default changes, constraint tightening, migration ordering, and rollback. Excludes other ORMs, query optimization, and…
migrate-honcho
Migrates Honcho Python SDK code from v1.6.0 to v2.1.1. Use when upgrading honcho package, fixing breaking changes after upgrade, or when errors mention…
migrate-honcho-ts
Migrates Honcho TypeScript SDK code from v1.6.0 to v2.1.1. Use when upgrading @honcho-ai/sdk, fixing breaking changes after upgrade, or when errors mention…
grouping-noisy-errors
Consolidate PostHog error tracking issues that are the same actual error reported under different fingerprints. Use when the user asks "why do I have so many…
email-deliverability
Make sure email actually reaches inboxes. Use this skill when setting up email authentication (SPF, DKIM, DMARC), diagnosing emails landing in spam, planning a…
ai-security-knowledge-base
Comprehensive AI security knowledge base covering ML algorithms, threat modeling, offensive AI tactics, and defensive strategies including OWASP LLM Top 10 and…
dfyx-code-security-audit
AI-powered code security audit skill using deep data flow analysis and business logic understanding for vulnerability detection
appkit-accessibility-auditor
Audits macOS AppKit interfaces for VoiceOver, keyboard navigation, focus order, and semantic structure issues. Use when reviewing or fixing AppKit…
turbocharge
Use when the user wants to push past conventional workflow limits with advanced performance techniques like parallel orchestration, streaming pipelines, or…
c4-architecture-c4-architecture
Generate comprehensive C4 architecture documentation for an existing repository/codebase using a bottom-up analysis approach.
csharp-pro
Write modern C# code with advanced features like records, pattern matching, and async/await. Use for version-compatible .NET implementation and evidence-based…
test-automator
Master AI-powered test automation with modern frameworks, self-healing tests, and comprehensive quality engineering. Build scalable testing strategies with…
studio-testing
Testing strategy for Supabase Studio. Use when writing tests, deciding whether a change needs tests and which type, extracting logic from components into…
syncfusion-blazor-smith-charts
Implement Syncfusion Blazor Smith Chart for RF circuit analysis and transmission line impedance matching. Use this when visualizing impedance/admittance data,…
study-notes-creator
Create organized, visual study notes with folder structures, diagrams, and example-based learning from source materials (PDFs, lecture notes, documentation).…
heading-optimizer
Audit and optimize headings across AEM Edge Delivery Services pages for search intent, hierarchy, and consistency. Extracts all headings (H1-H6), evaluates…
llm-caching
Implement multi-layer LLM caching with exact match, semantic similarity, and provider-side prompt caching. Reduce API costs by 30–70%, cut latency, and improve…
rag-observability-evals
Monitor and evaluate RAG systems with retrieval quality metrics, groundedness checks, hallucination detection, and continuous regression testing.
artifacts-builder
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui)
digitalocean-agentic-cloud
DigitalOcean Gradient AI agentic cloud and AI platform for building, training, and deploying AI agents on GPU infrastructure with foundation models, knowledge…
vercel-ai
Vercel AI platform guidance covering AI SDK, AI Gateway, Vercel Agent, and MCP. Use when building AI-powered or agentic workloads on Vercel.
bitrix-modules
Custom Bitrix modules in /local/modules — CModule installer (DoInstall/DoUninstall), version.php, make:module, install/migrations tables/events/agents, options…