Debugging tools - console, debugger, network, profiling.

Clear description of what this skill does and when Claude should use it. Be specific about triggers - include the functionality AND when to activate. Example: "Extract text from PDFs and fill...

Help users transform organizations toward modern product practices. Use when someone is trying to shift from feature teams to product teams, introduce empowered teams, modernize legacy processes,...

Strategic product leadership specializing in product strategy, roadmap development, feature prioritization, and cross-functional coordination. Use for product planning, requirements, user stories,...

Use this skill when users need to calculate market size (TAM/SAM/SOM), assess market opportunity, validate market potential, or determine if a market is big enough to pursue. Activates for "how...

Detailed financial scenario modeling, revenue projections, and burn rate analysis

Use this skill when users need to scope an MVP, define minimum viable features, plan early product development, or determine what to build first. Activates for "what should my MVP include," "scope...

Expert in optimizing the end-to-end developer journey. Specializes in Internal Developer Portals (IDP), DORA metrics, and on-call health. Use when improving developer experience, building internal...

Scientific method, hypothesis, evidence evaluation, bias analysis. ⚠️ Use for Research/analysis. For architectural decision → ultrathink-core.

Debugging araçları - console, debugger, network, profiling.

Use this skill when users need to evaluate potential co-founders, assess founder compatibility, design equity splits, or navigate co-founder relationships. Activates for "should I work with this...

Pause for human verification between major build phases. Use BETWEEN ultraplan phases - after completing one phase, before starting the next. Presents summary of completed work and checklist....

Use when fine-tuning LLMs, training custom models, or optimizing model performance for specific tasks. Invoke for parameter-efficient methods, dataset preparation, or model adaptation.

Use when fine-tuning LLMs, training custom models, or optimizing model performance for specific tasks. Invoke for parameter-efficient methods, dataset preparation, or model adaptation.

Red-team security audit for code changes. Use automatically when working on authentication, authorization, user inputs, API endpoints, database queries, or any security-sensitive code. Also use...

Use this skill when users need to raise funding, create a pitch deck, prepare for investor meetings, understand fundraising process, or navigate seed/pre-seed rounds. Activates for "how do I raise...

Best practices for CSS development including modern layout techniques, naming conventions, theming, and maintainable stylesheet architecture

Expert sales operations and analytics guidance for revenue teams. Use when designing CRM workflows, building sales dashboards, optimizing pipeline analytics, creating lead routing rules, designing...

Generate user demand research reports from real user feedback. Scrape and analyze feature requests, complaints, and questions from Reddit, X, and GitHub.

Red team tactics principles based on MITRE ATT&CK. Attack phases, detection evasion, reporting.