Packages

MLX is an array framework for machine learning on Apple silicon, providing APIs for Python, C++, and Swift, designed for efficiency and ease of use in machine learning research.

Curated directory of 200+ Claude Code extensions organized into 13 categories — slash commands, subagents, MCP servers, and hooks. Functions as a plugin marketplace with a /plugin install command for discovery and installation. Supports custom marketplace hosting via Git repositories.

Statistical inference engine that imputes, cleans, and enriches data using machine learning. Leverages weakly supervised learning signals including quality rules, value correlations, and reference data to handle noisy, incomplete, and erroneous datasets. Built on PyTorch and PostgreSQL. Academic project from the University of Wisconsin-Madison.

Open-source LLM router that classifies prompt complexity in ~10ms and routes simple requests to cheaper/faster models and complex ones to premium models, acting as an OpenAI-compatible drop-in proxy claiming 40-70% cost savings.

Planoly visual social media planning REST API for creators, brands, and small businesses to plan, schedule, and publish Instagram, Pinterest, TikTok, Twitter, and Facebook content with visual grid preview and hashtag management. Enables AI agents to manage visual content calendar and drag-drop grid planning for Instagram aesthetic automation, handle auto-publish and first comment scheduling for Instagram content automation, access Pinterest pin scheduling and board management for Pinterest marketing automation, retrieve hashtag research and performance analytics for hashtag strategy automation, manage multi-channel content repurposing and cross-posting for content workflow automation, handle Canva integration and media library for asset management automation, access analytics and post performance tracking for content optimization automation, retrieve Linkit page (link-in-bio) management for traffic attribution automation, manage collaborator and approval workflow for small team content review automation, and integrate Planoly with Canva, Shopify, and creative platforms for end-to-end visual social content workflow.

UE5-MCP integrates AI automation into game development workflows by enabling text-to-scene conversion in Blender with automated asset transfer and import into Unreal Engine 5. It also provides Blueprint scripting assistance and performance profiling tools.

Provides programmatic access to WeChat Official Accounts for sending messages, managing menus, and handling user interactions on WeChat, the dominant super-app in mainland China.

A collection of tools for working with Apache Kafka.

A PubMed MCP server for analyzing medical literature and providing insights into research trends.

Official Riot Games developer platform providing REST APIs for League of Legends, Valorant, Teamfight Tactics, Legends of Runeterra, and Wild Rift. Exposes match history, ranked data, champion mastery, live game data, esports tournament info, and player profiles across all Riot titles.

Agrivi farm management information system (FMIS) REST API for crop planning, farm operations tracking, and sustainable agriculture compliance for global commercial farming operations. Enables AI agents to manage farm field and production unit management for digital farm operations automation, handle crop season planning and task scheduling for farming workflow automation, access field activity recording and labor tracking for farm operations documentation, retrieve product (pesticide, fertilizer) application recording for regulatory compliance automation, manage harvest and yield recording for crop production tracking automation, handle farm inventory and stock management for farm input management automation, access farm financial tracking and cost per activity for farm profitability analysis, retrieve sustainability reporting and carbon footprint calculation for ESG farming compliance, manage weather monitoring and growing degree day calculation for agronomic decision automation, and integrate Agrivi with precision agriculture hardware, ERP systems, and sustainability reporting platforms for global farm management ecosystem.

Agworld collaborative crop management and farm advisory platform REST API for grower-agronomist collaboration, crop planning, chemical application records, and compliance reporting. Enables AI agents to manage farm field and paddock boundary management for digital farm map automation, handle crop plan and agronomic recommendation creation for precision farming advice automation, access chemical and fertilizer application record-keeping for farm compliance automation, retrieve grower-agronomist collaboration workflow for ag retail advisory automation, manage crop monitoring and growth stage tracking for agronomic decision automation, handle spray diary and chemical use recording for regulatory compliance automation, access soil test and nutrient recommendation integration for precision soil management, retrieve yield and harvest data for crop performance analysis automation, manage chemical inventory and purchase order tracking for farm input management, and integrate Agworld with Trimble Agriculture, precision ag hardware, and ag chemical supply chain platforms for full farm management ecosystem.

CelesTrak provides free Two-Line Element (TLE) orbital data for all tracked Earth-orbiting objects sourced from US Space Command, enabling satellite tracking and pass prediction.

Commercial vehicle data API providing detailed specs, True Market Value pricing, dealer inventory, consumer reviews, and incentives for new and used vehicles.

Kling AI is a high-quality AI video generation model by Kuaishou Technology offering competitive text-to-video and image-to-video generation via REST API.

Quizlet flashcard and study tools REST API for EdTech developers and educational institutions to create and manage study sets, access user learning progress, and embed Quizlet's study modes — enabling automated flashcard creation, study set management, and learning analytics through Quizlet's platform used by 300M+ learners globally. Enables AI agents to manage study set creation for vocabulary learning automation, handle term addition for content population automation, access user progress for learning analytics automation, retrieve class enrollment for educational group management automation, manage folder organization for curriculum structure automation, handle study mode configuration for adaptive learning automation, access search for content discovery automation, retrieve learning statistics for performance reporting automation, manage assignment for classroom workflow automation, and integrate Quizlet with LMS, language, and tutoring platforms for spaced-repetition learning automation.

Provides XML-based access to USPS postal services including rate calculation, package tracking, address standardization, and label generation for domestic mail.

Replit's API for managing Repls (cloud-hosted code environments), enabling programmatic creation, forking, deployment, and lifecycle management of online coding projects.

All-in-one sales prospecting platform combining email finding, verification, drip campaign automation, and CRM features to support the full outbound sales workflow from lead discovery to outreach.

A plugin backend for semantic search and retrieval of personal or organizational documents using OpenAI embeddings, supporting 15+ vector database backends and multiple deployment options.