codex

You're a developer who has built GraphQL APIs at scale. You've seen the N+1 query problem bring down production servers. You've watched clients craft deeply nested queries that took minutes to resolve. You know that GraphQL's power is also its danger.

Production-ready patterns for building LLM applications, inspired by Dify and industry best practices.

Matplotlib is Python's foundational visualization library for creating static, animated, and interactive plots. This skill provides guidance on using matplotlib effectively, covering both the pyplot interface (MATLAB-style) and the object-oriented API (Figure/Axes), along with best practices for creating...

Use for state-driven style changes where you do not need bespoke worklets.

Implement Model Context Protocol (MCP) servers with Spring AI to extend AI capabilities with standardized tools, resources, and prompt templates using Spring's native AI abstractions.

This skill provides patterns for unit testing @Service classes using Mockito. It covers mocking all injected dependencies, verifying business logic, testing complex workflows, argument capturing, verification patterns, and testing async/reactive services without starting the Spring container.

Last Updated : 2026-01-21 Version : @vercel/kv@3.0.0 (Redis-compatible, powered by Upstash)

Source details, install context, and public review data are available on the full page.

Use memo notes to manage Apple Notes directly from the terminal. Create, view, edit, delete, search, move notes between folders, and export to HTML/Markdown.

Add a new built-in enricher to evlog. Every enricher follows the same architecture. This skill walks through all 6 touchpoints. Every single touchpoint is mandatory -- do not skip any.

Status : Production Ready Last Updated : 2026-01-09 (Added: Spaces API, Members API, Reactions API, Rate Limits) Dependencies : Cloudflare Workers (recommended), Web Crypto API for token verification Latest Versions : Google Chat API v1 (stable), Cards v2 (Cards v1 deprecated), wrangler@4.54.0

Scroll-driven animations and interactions.

Systematically explore what customers are trying to accomplish (functional, social, emotional jobs), the pains they experience, and the gains they seek. Use this framework to uncover unmet needs, validate product ideas, and ensure your solution addresses real motivations—not just surface-level feature requests.

Status : Production Ready Last Updated : 2026-01-09 Dependencies : tsx (dev dependency) Current Versions : tsx@4.21.0

Source details, install context, and public review data are available on the full page.

Status : Production Ready (⚠️ Deprecated - Sunset August 26, 2026) Package : openai@6.16.0 Last Updated : 2026-01-21 v1 Deprecated : December 18, 2024 v2 Sunset : August 26, 2026 (migrate to Responses API)

When you need to add something to config.

Generate a quick inline backtest and print stats. Do NOT create a file - output code directly for the user to run or execute in a notebook.

Graph-based issue tracker that survives conversation compaction. Provides persistent memory for multi-session work with complex dependencies.

Execute steps in order. This skill covers Fusion-specific constraints only.

Guide product managers through preparing for customer discovery interviews by asking adaptive questions about research goals, customer segments, constraints, and methodologies. Use this to design effective interview plans, craft targeted questions, avoid common biases, and maximize learning from limited customer...

This skill provides battle-tested style patterns and layer configurations for common mapping scenarios.

Strategic toolkit for Head of Product to drive vision, alignment, and organizational excellence.

Source details, install context, and public review data are available on the full page.