TypeScript agent skills for Claude Code, Codex and other agents.

Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.

anthropics/skills

Builds multi-component claude.ai HTML artifacts as a small React, TypeScript and Tailwind project, then bundles it into one shareable HTML file.

anthropics/skills

Creates a Java SDK end-to-end test for the Copilot SDK that runs against a recorded YAML snapshot through a replay proxy, so CI needs no real authentication.

github/copilot-sdk

Plan and execute runtime-behavior investigations with temporary TypeScript probe scripts, validation matrices, state controls, and findings-first reports.

redis/node-redis

A skill your agent uses when writing code that calls the Gemini API for text generation, multi-turn chat, multimodal understanding, image generation, video generation, speech generation (TTS), voice…

google-gemini/gemini-skills

Scans a codebase for vulnerabilities with CodeQL's data flow and taint tracking in run-all or important-only modes, including data extensions for project-specific sources and sinks.

trailofbits/skills

Lightweight guidance for using the Redis Rate Limit TypeScript SDK, including setup steps, basic usage, and pointers to advanced algorithm, features, pricing, and traffic‑protection docs.

upstash/ratelimit-js

A skill your agent uses when building real-time, bidirectional streaming applications with the Gemini Live API, or migrating legacy Live models (2.0/2.5/3.1) to Gemini 3.8 Live.

google-gemini/gemini-skills

Enforce Sentry React Native SDK code guidelines for implementation, refactoring, and review.

getsentry/sentry-react-native

A skill your agent uses whenever the user mentions Microsoft Teams in a development context — whether they're building, integrating, configuring, debugging, or just asking questions.

microsoft/teams-sdk

Work with the QStash JavaScript/TypeScript SDK for serverless messaging, scheduling.

upstash/qstash-js

Replaces a plain TypeScript union plus switch statements with frozen subclasses and a visitor interface when several places dispatch on the same variants.

prisma/orm

Code-quality standards for RedisInsight: TypeScript strictness, naming conventions (camelCase, PascalCase, UPPERSNAKECASE), linting rules, no any without reason, no !important in styles, and…

redis/RedisInsight

Use MSAGL-JS (Microsoft Automatic Graph Layout) to lay out and visualize networks in JavaScript or TypeScript.

microsoft/msagljs

Create and validate Beachball change files. An agent skill from microsoft/beachball.

microsoft/beachball

Zapier SDK for TypeScript. An agent skill from zapier/sdk.

zapier/sdk

Run a large-scale language migration with the six-step process: create the map and the rules, stress-test the rules, translate everything, compile, run it, match behavior.

anthropics/code-migration-kit-with-claude-code

Quickly compare the posthog-js array.js bundle size in the current working tree against a git baseline using the repository's esbuild proxy.

PostHog/posthog-js

INVOKE THIS SKILL when implementing human-in-the-loop patterns, pausing for approval, or handling errors in LangGraph.

langchain-ai/langchain-skills

Author a new PostHog browser extension, or port a posthog-js v1 extension, against the @posthog/browser-common Client/Extension contract.

PostHog/posthog-js

Reviews pull requests for Shopify/shopify-app-js with comprehensive analysis including semver compliance (MAJOR/MINOR/PATCH classification), single responsibility validation, pattern consistency…

Shopify/shopify-app-js

Run the full Stitch SDK generation pipeline. An agent skill from google-labs-code/stitch-sdk.

google-labs-code/stitch-sdk

Explains which of the three PSL syntax tree layers to use with Prisma's parser output, and how to move between them without hand-written walks.

prisma/orm

Develop, debug, and manage Temporal applications across Python, TypeScript, Go, Java, .NET, Ruby, and Rust.

temporalio/skill-temporal-developer

Migrate Python apps from Azure OpenAI Chat Completions to the Responses API.

microsoft/ai-agents-for-beginners

Reference for how deprecation of public Remotion APIs is represented in TypeScript source and documentation.

remotion-dev/remotion

Cross-reference a posthog-js or rrweb change against past incident patterns before writing, reviewing, or merging it.

PostHog/posthog-js

Creates, changes, debugs and deploys Apify Actors, including their input and output schemas, using the Apify CLI.

apify/agent-skills

Add, move, rename, or delete a page on the LangChain docs site.

langchain-ai/docs

Guides writing, running and configuring Deno 2.9+ projects: installing npm and JSR dependencies, permissions, config file precedence and the built-in fmt, lint, test and compile toolchain.

denoland/skills

Apply pull-request review comments to the frontend of kotlinlang.org (Next.js, React, TypeScript, CSS Modules under blocks/, components/, pages/, hooks/, utils/, test/).

JetBrains/kotlin-web-site

Explains how to build agents with the Deep Agents framework: create_deep_agent, the built-in middleware, the harness, SKILL.md format and configuration options.

langchain-ai/langchain-skills

Shift Python apps dem from Azure OpenAI Chat Completions go Responses API.

microsoft/ai-agents-for-beginners

Build dark-themed React applications using Tailwind CSS with custom theming, glassmorphism effects, and Framer Motion animations.

microsoft/skills

Enforces a disciplined Red-Green-Refactor (TDD) workflow in TypeScript/Node.js.

google-labs-code/stitch-sdk

Comprehensive tier assessment for an MCP SDK repository against SEP-1730.

modelcontextprotocol/conformance

A skill your agent uses when migrating inline code samples from LangChain docs (MDX files) into external, testable code files that are extracted by this repo’s snippet scripts and used as Mintlify…

langchain-ai/docs

INVOKE THIS SKILL when setting up a new project or when asked about package versions, installation, or dependency management for LangChain, LangGraph, LangSmith, or Deep Agents.

langchain-ai/langchain-skills

Creates devcontainers with Claude Code, language-specific tooling (Python/Node/Rust/Go), and persistent volumes.

trailofbits/skills

INVOKE THIS SKILL when building, iterating on, copying, or sharing a LangSmith Custom App — a React/TypeScript UI that runs inside LangSmith and reads the LangSmith API.

langchain-ai/langsmith-skills

Migrate TypeScript Mastra applications to Python with Pydantic AI and, only when needed, Pydantic AI Harness.

pydantic/pydantic-ai

TypeScript best practices. An agent skill from cursor/plugins.

cursor/plugins

Architecture standard for building robust, type-safe TypeScript services using the "Spec and Handler" pattern.

google-labs-code/stitch-sdk

INVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output.

langchain-ai/langchain-skills

Guide for creating and writing Expo native modules and views using the Expo Modules API (Swift, Kotlin, TypeScript).

expo/skills

Routes Prisma 8 tasks such as contracts, migrations, queries and upgrades to the right reference files for projects on the contract-first @prisma/orm packages.

prisma/orm

Help users debug PostHog Error Tracking stack-trace symbolication for any supported platform — JavaScript/TypeScript web, React Native (Hermes), Android (Proguard / R8), or iOS / macOS (dSYM).

PostHog/posthog-foss

INVOKE THIS SKILL when building ANY retrieval-augmented generation (RAG) system.

langchain-ai/langchain-skills