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Framework-free form validation using HTML5 Constraint Validation API enhanced with Zod for complex rules. Use when building forms without React/Vue or for progressive enhancement.

Create and execute comprehensive testing strategies including unit tests, integration tests, test-driven development, and test coverage analysis. Use when writing tests, implementing TDD, checking...

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development....

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development....

Expert in database schema design with focus on normalization, indexing strategies, FTS optimization, and performance-oriented architecture for desktop applications

Generate realistic mock API responses with fake data. Use for testing, prototyping, or creating sample data for frontend development.

Implement secure API authentication with JWT, OAuth 2.0, API keys, and session management. Use when securing APIs, managing tokens, or implementing user authentication flows.

Expert SurrealDB developer specializing in multi-model database design, graph relations, document storage, SurrealQL queries, row-level security, and real-time subscriptions. Use when building...

Guidelines for developing with Kysely, a type-safe TypeScript SQL query builder with autocompletion support

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Implement secure JWT (JSON Web Token) authentication in Node.js applications with access/refresh tokens and role-based access control

End-to-end form handling with react-hook-form, Zod schemas, validation patterns, error messaging, field arrays, and multi-step wizards. Use for complex forms, validation architecture, autosave,...

Verify API contracts between services to ensure compatibility and prevent breaking changes. Use for contract testing, Pact, API contract validation, schema validation, and consumer-driven contracts.

Access COSMIC cancer mutation database. Query somatic mutations, Cancer Gene Census, mutational signatures, gene fusions, for cancer research and precision oncology. Requires authentication.

Access COSMIC cancer mutation database. Query somatic mutations, Cancer Gene Census, mutational signatures, gene fusions, for cancer research and precision oncology. Requires authentication.

Implement comprehensive frontend testing using Jest, Vitest, React Testing Library, and Cypress. Use when building robust test suites for UI and integration tests.

Build with i18n in mind from day one using Laravel translation helpers, JSON files, Blade integration, and locale management

Operate Salesforce as the VC associate CRM: authenticate via OAuth, query with SOQL, upsert Leads/Accounts, create Opportunities, and log Activities/Tasks for dealflow and portfolio support....

Audit and improve web accessibility following WCAG 2.1 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or...