Tools

Curated directory and index to discover, compare, and install AI agent skills and MCP servers across platforms like Claude Code, Cursor, and Codex.

Color palette generator and exploration platform for creating, testing contrast, and exporting color schemes for design projects.

Mobile development and testing platform for building, running, and verifying iOS and Android applications using cloud devices and runtime evidence.

Customizable, open-source PDF components and blocks for React built on Takumi and Forme, compatible with shadcn/ui.

Deterministic static analysis tool and linter for React codebases that identifies correctness, performance, accessibility, and maintainability issues.

Curated website prompts, landing page sections, and animated backgrounds for building web interfaces with AI coding assistants.

Scores websites and applications on their readiness for AI agents, providing diagnostic reports, evidence, and actionable recommendations to improve discoverability and accessibility.

Developer platform and serverless inference engine for running, fine-tuning, and deploying generative image, video, and audio AI models.

A catalog of DESIGN.md design system specifications and style analyses from popular websites to give AI coding agents consistent design references.

Public gallery and index of open-source animated desktop pets and companion mascots for coding agents.

A library of responsive UI blocks, components, and templates built for shadcn/ui across marketing, application, e-commerce, and portfolio pages.

Composable, plugin-based authentication framework for TypeScript featuring built-in credential auth, social sign-on, multi-tenancy, passkeys, and enterprise SSO.

A collection of UI/UX references and design inspiration for web and iOS, featuring searchable screenshots and interface patterns.

Cloud database platform offering managed hosting, horizontal sharding, and database branching workflows for Vitess (MySQL) and PostgreSQL workloads.

Serverless Postgres database and backend platform offering compute-storage separation, autoscaling, instant database branching, authentication, functions, and an AI gateway.

Turn any codebase into an interactive knowledge graph to explore, search, and understand architecture, dependencies, and business logic.

A visual database schema diagram editor and SQL migration generator that helps developers design ER diagrams, track schema evolution, and generate migrations.

An open-source, MIT-licensed infinite-canvas whiteboard SDK for React, React Native, and plain JavaScript with zero runtime dependencies.

An AI-powered diagramming and technical documentation platform that generates architecture diagrams, flowcharts, and system maps from text prompts, codebases, and files.

A collection of ready-to-use shadcn/ui blocks and UI components built for React, Next.js, and modern web applications.

A collection of free and open-source animated UI components and templates built with React, TypeScript, Tailwind CSS, and Motion.

Free, open-source copy-paste UI blocks and components for React built with shadcn/ui and Tailwind CSS.

React component library with 200+ copy-paste components, blocks, and landing page templates built with Tailwind CSS and Motion.

A background runtime and terminal manager for coding agents that keeps sessions persistent and accessible across device reboots and network disconnections.

AI-native creative suite for generating and editing images, cinematic videos, and audio content with advanced models, creative presets, and workflow automation.

Useful tools and open-source loading animations for web developers.

PostHog is an all-in-one product and developer platform providing product analytics, web analytics, session replay, feature flags, experiments, error tracking, and data warehousing.

Product intelligence and analytics platform combining self-serve product analytics, session replay, experimentation, metric trees, and AI insights.

URL shortening platform with custom branded domains, real-time analytics, dynamic QR codes, team collaboration, and REST API access.

A guide and skill specification detailing Apple's interface design and fluid physical motion principles translated for the web, covering gesture-driven UI, spring physics, velocity handoff, materials, and typography.

A CLI tool that reverse-engineers design systems from any live URL, git repo, or local directory using static analysis, generating design tokens, layout specs, and skill files for AI coding agents.

AI penetration testing and autonomous security platform that continuously tests code, APIs, cloud, and infrastructure, delivering validated vulnerability findings and automated fix pull requests.

A web-based design tool that generates customizable SVG and PNG design assets, backgrounds, and shapes for websites, social media, and presentations.

A collection of high-quality React components, dashboards, and UI blocks designed for copy-and-paste production-ready interfaces.

In-memory database and real-time data platform powering caching, vector search, streaming, session management, and context for AI agents and applications.

A unified API interface to access, route, and manage hundreds of AI models across diverse providers with fallback reliability and performance optimization.

A fully managed vector database designed for AI applications and agents, providing fast, scalable similarity search and retrieval.

Financial infrastructure platform that helps businesses accept payments, build flexible billing and subscription models, and manage global money movement.

All-in-one developer platform providing authentication, access management, subscription billing, and feature flags for modern SaaS applications.

A developer experience platform and suite of Git productivity tools, including GitKraken Desktop, GitLens for IDEs, Kepler ADE, CLI tools, and an MCP server for AI-assisted workflows.

A headless React framework for building enterprise-grade admin panels, internal tools, and dashboards.

Generates lifelike AI speech, music, and voice agents for content creation, customer support, and developer applications.

Provides complete authentication, user management, and organization tools for web and mobile applications.

Build and deploy production-ready agentic workflows, RAG pipelines, and AI applications on a visual platform.

Build, observe, and deploy AI agents and workflows in TypeScript with memory, tools, and MCP support.

Datadog provides cloud monitoring, security, and observability for applications, infrastructure, logs, and metrics.

Provides a searchable library of mobile and web app screenshots, user flows, and UI design inspiration.

An approachable, performant, and versatile JavaScript framework for building web user interfaces.

Airtable enables teams to build custom relational database applications, automate workflows, and deploy AI agents without code.

Provides open-source enterprise feature management, enabling gradual rollouts, A/B testing, and instant rollbacks without redeploying code.

Provides simple, fast, privacy-focused web analytics as a cookie-free alternative to Google Analytics.

Provides a headless rich text editor framework with extensions for real-time collaboration and AI tools.

Provides a React components library with over 120 customizable components, 70 hooks, and native CSS styling support.

Pulls up-to-date, version-specific library documentation and code examples directly into AI coding tools.

Provides customizable components that developers can copy, edit, and build upon for web interfaces.

Provides backend infrastructure, databases, authentication, hosting, and AI integrations for web and mobile app development.

Provides reusable engineering skills for improving AI coding agent behavior.

Builds AI apps with model providers, streaming responses, tools, and structured outputs.

Animates CSS properties, SVG, DOM attributes, and JavaScript objects through a modular JavaScript API.

Provides enterprise React components and design patterns for complex applications.

Builds fast content-focused websites with islands architecture and framework flexibility.

Provides accessible, themeable React components, design tokens, templates, and tooling for product interfaces.

Adds authentication flows for modern web apps and frameworks.

Deploys websites, applications, databases, and Docker services to your own servers.

Crawls and scrapes websites into clean Markdown, HTML, screenshots, and structured data for AI workflows.

Deploys and manages applications, databases, Docker Compose stacks, and services on your own infrastructure.

Provides lightweight TypeScript-first SQL ORM and schema tooling.

Analyzes TypeScript codebases for cleanup, duplication, boundaries, and complexity risks.

Processes, converts, records, and streams audio and video from the command line.

Generates font pairings using a neural network trained on visual font vectors.

Creates high-performance JavaScript animations for CSS, SVG, canvas, React, Vue, WebGL, and other targets.

Guides AI coding agents in designing, auditing, and refining frontend interfaces with shared design vocabulary.

Builds configurable LLM applications and agents from interoperable models, tools, retrieval, and middleware.

Builds and deploys AI agents and workflows with a visual, Python-based flow editor.

Scrapes, crawls, searches, and extracts structured data from websites without code.

Combines Markdown with JSX components for interactive documentation and content sites.

Adds animation and gesture-driven motion to React, JavaScript, and CSS interfaces.

Provides production-ready React components and design system foundations.

Automates business processes and AI workflows by connecting services, APIs, data, and custom code.

Builds full-stack React apps with routing, rendering, APIs, and deployment features.

Runs AI coding agents that plan, edit, test, and apply changes across software projects.

Runs coding agents in parallel across isolated worktrees for agent-driven development.

Creates and edits vector designs in an IDE-integrated canvas with AI workflows, MCP tools, CLI automation, and code export.

Runs end-to-end browser tests across Chromium, Firefox, and WebKit.

Provides type-safe ORM, managed Postgres, and compute infrastructure for TypeScript applications.

Provides accessible React components, primitives, themes, icons, and colors for building interfaces.

Offers customizable React components for animated text, interactive UI elements, effects, and backgrounds.

Provides unstyled React components for building responsive, production-ready HTML emails.

Manages performant React form state, validation, and submission flows.

Creates videos programmatically with React components, timelines, and render pipelines.

Sends transactional and marketing emails through a developer-friendly email platform.

Builds customizable character illustrations from interchangeable bodies, poses, styles, and backdrops.

Scans code for security issues, bugs, and custom static-analysis rules.

Monitors production errors, performance issues, traces, and debugging context.

Provides composable agent skills for planning, testing, debugging, architecture, and code review workflows.

Finds and prioritizes security issues across dependencies, containers, IaC, and code.

Detects supply-chain risks and suspicious behavior in open-source dependencies.

Edits, converts, signs, redacts, OCRs, compresses, and automates PDF documents.

Develops, documents, and tests UI components in isolated workspaces.

Provides Postgres databases, authentication, APIs, realtime sync, edge functions, storage, and vector embeddings.

Builds custom interfaces quickly with utility-first CSS classes.

Manages async server state, caching, mutations, and background synchronization.

Improves AI-generated frontend output with reusable design-focused agent skills.

Creates end-to-end type-safe APIs between TypeScript clients and servers.

Visually edits shadcn/ui and Tailwind CSS themes, previews component changes, and exports reusable theme code.

Generates, previews, edits, and exports Tailwind CSS color palettes and shade scales.

Provides a fast frontend dev server and build tool for modern web projects.

Runs fast unit and integration tests for Vite, TypeScript, and JavaScript projects.

Extracts garments from photos, generates product cutouts and modeled previews, and organizes outfits in a local wardrobe.

Validates runtime data with TypeScript-first schemas and inferred types.

Provides small flexible state management for React applications.