code-generation

You are an expert in Braintrust, the evaluation and observability platform for AI applications. You help developers run systematic evaluations, compare model versions, track experiments, log production traces, and measure quality metrics — with a focus on making AI development…

You are an expert in BullMQ, the high-performance job queue for Node.js built on Redis. You help developers build reliable background processing systems with delayed jobs, rate limiting, prioritization, repeatable cron jobs, job dependencies, concurrency control, and dead-letter…

Integrate with Google Calendar and Microsoft Outlook Calendar for scheduling, event management, and availability tracking. Use when someone asks to "create calendar events", "check availability", "schedule meetings", "sync calendars", "Google Calendar API", "Outlook Calendar…

You are an expert in Centrifugo, the scalable real-time messaging server. You help developers add WebSocket-based real-time features (chat, notifications, live updates, presence) to any application with a language-agnostic server that handles millions of concurrent connections —…

Add authentication to web apps with Clerk — social login, email/password, magic links, organizations, RBAC, session management, webhooks, and multi-framework support. Use when tasks involve user authentication, team/org management, role-based access control, or integrating auth…

Finds orphaned, idle, and underutilized cloud resources across AWS, GCP, or Azure accounts. Use when someone needs to audit cloud spending, find unused EBS volumes, stale snapshots, unattached IPs, idle load balancers, or oversized RDS instances. Trigger words: cloud waste,…

Perform thorough code reviews with actionable, prioritized feedback. Use when a user asks to review code, check code quality, find bugs, review a pull request, audit code for issues, or get feedback on implementation. Covers correctness, security, performance, readability, and…

Explore and manage databases with Drizzle Studio. Use when a user asks to browse database contents visually, inspect tables and data, run ad-hoc queries, manage database records through a GUI, debug database issues, or use a lightweight alternative to pgAdmin or DBeaver. Covers…

Expert guidance for Evidence, the open-source BI framework that generates beautiful, interactive dashboards from SQL queries and Markdown. Helps developers build data reports as code, deploy them as static sites, and create self-service analytics without heavy BI tools.

When the user wants to generate realistic fake data for testing, seeding databases, or prototyping. Also use when the user mentions "faker," "fake data," "test data generation," "seed data," "mock data," "random names," or "realistic test data." For API mocking, see mockoon or…

Expert guidance for Fireworks AI, the platform for running open-source LLMs (Llama, Mixtral, Qwen, etc.) with enterprise-grade speed and reliability. Helps developers integrate Fireworks' inference API, fine-tune models, and deploy custom model endpoints with function calling…

Flask is a lightweight Python micro web framework that provides the essentials for web development without imposing structure. It uses Jinja2 templates and Werkzeug WSGI toolkit, with a rich ecosystem of extensions for databases, auth, and more.

Expert guidance for Flutter, Google's UI toolkit for building natively compiled applications for mobile, web, and desktop from a single Dart codebase. Helps developers build performant cross-platform apps with custom widgets, state management, platform channels, and production…

Expert guidance for Gleam, the type-safe functional language that runs on the Erlang BEAM virtual machine. Helps developers build concurrent, fault-tolerant applications with Gleam's friendly syntax, exhaustive pattern matching, and access to the entire Erlang/OTP ecosystem.

Use Block's Goose — an open-source, extensible AI agent that goes beyond code suggestions to install software, execute commands, edit files, run tests, and manage infrastructure. Use when: setting up Goose, building custom extensions, adding MCP tool support, configuring…

Expert guidance for Groq, the LLM inference platform that provides the fastest token generation speeds available, powered by custom LPU (Language Processing Unit) hardware. Helps developers integrate Groq's API for real-time AI applications where latency matters — chatbots, code…

Run DOM tests without a browser using Happy DOM — fast JavaScript DOM implementation. Use when someone asks to "test without a browser", "Happy DOM", "fast DOM environment for tests", "replace jsdom", "Vitest DOM environment", or "server-side DOM". Covers test environment setup,…

Expert guidance for Hasura, the GraphQL engine that gives the agent instant, real-time GraphQL APIs over PostgreSQL (and other databases). Helps developers set up Hasura, configure permissions, write custom business logic with Actions and Event Triggers, and optimize GraphQL…

You are an expert in Hotwire (HTML Over The Wire), the collection of techniques for building modern web applications by sending HTML instead of JSON. You help developers use Turbo (Drive, Frames, Streams) for SPA-like navigation and partial updates, and Stimulus for lightweight…

Craft custom TCP/UDP/ICMP packets with hping3. Use when a user asks to test firewall rules, probe services with non-default flags, measure RTT to a TCP port, map open ports behind an ICMP-blocking host, or simulate packet patterns for network troubleshooting on systems they…

Access macOS native data (Messages, Contacts, Reminders, Calendar) via MCP server with iMCP. Use when: building AI assistants that access Apple data, querying contacts/reminders from Claude Desktop, integrating macOS apps with AI agents.

You are an expert in Instructor, the library for getting structured, validated output from LLMs. You help developers extract typed data from unstructured text using Pydantic models (Python) or Zod schemas (TypeScript), with automatic retries on validation failures, streaming…

When the user needs to generate, validate, refresh, or debug JSON Web Tokens. Use when the user mentions "JWT," "access token," "refresh token," "token rotation," "token expiration," "token validation," "bearer token," or "decode JWT." Handles secure token lifecycle including…

You are an expert in Lemon Squeezy, the all-in-one payments platform that acts as your Merchant of Record. You help developers sell software, subscriptions, and digital products with automatic global tax handling (VAT, sales tax), invoicing, license keys, customer portal, and…

Use Lightpanda headless browser optimized for AI agents — fast, lightweight, designed for web scraping and automation at scale. Use when: building AI web scrapers, automating web tasks with agents, running headless browsing in resource-constrained environments.