1. Software Development

Builds a complete subscription system with Stripe integration, webhook processing, and Postgres synchronization for plan configuration and billing management.

Provides type-safe database query capabilities using Drizzle ORM for common operations like select, insert, update, and delete.

Integrates email verification, password reset, and account management features into Better Auth using Resend email service.

Provides a comprehensive subscription billing system with Stripe integration, feature flag management, webhook handling, and customer billing portal.

Provides parallel test execution with isolated data per suite, prioritizing Playwright for UI, API integration, and unit tests for logic.

Adds automatic stream recovery to AI chat applications using WorkflowChatTransport, API endpoints, and the useResumableChat hook.

Simplifies adding privacy-focused web analytics to Vercel-hosted sites with minimal setup, tracking page views and custom events.

Builds a chat list page with search, rename, and delete features using nuqs for URL-synced filters and deep-linkable modal dialogs.

Complete testing setup with Neon database branching, Playwright browser tests, and automated TTL cleanup for unit and integration tests.

Configures AI coding agents (e.g., Cursor, GitHub Copilot) with project-specific guidelines and MCP servers for consistent AI-assisted development.

Enables fast, reliable API route testing by directly importing handlers in Bun's test runner, eliminating HTTP overhead.

Modifies database schemas, adds tables, and seeds data using raw SQL scripts within a .NET Aspire project.

Enables developers to capture exceptions, add contextual data, monitor performance, and implement structured logging using Sentry.

Automates software development by defining features as user stories and running AI agents in a loop until all acceptance criteria are met.

Automates Python code quality checks, formatting, and PEP 8 style enforcement using the Ruff tool.

Lints and validates Markdown files, enforcing style rules and fixing syntax issues using markdownlint-cli2.

Guides Svelte 5 rune usage for reactive state, props, and effects, preventing reactivity errors and aiding Svelte 4→5 migration.

Manages Python projects with uv, handling dependencies, virtual environments, and script execution via `uv run` for projects using `pyproject.toml`.

Guides SvelteKit data flow implementation including load functions, form actions, server/client data handling, and framework-specific utilities.

Guides implementation of SvelteKit remote functions (command, query, form) in .remote.ts files for application development.

Guides SvelteKit project structure including routing, layouts, error handling, and SSR with file naming conventions and nested layouts.

Applies functional programming principles in TypeScript with pure functions, immutability, and declarative patterns.

Answers architecture questions by navigating C3 documentation and source code, supporting queries about components, constraints, and rules.

Enables architectural changes through ADR-first workflow, handling requests like refactoring, adding components, and updating diagrams while requiring .c3/ directory.