Open-source Python library for AI browser agents, plus Browser Use Cloud: stealth browsers and a hosted agent API.
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Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Rich is a Python library for rich text and beautiful formatting in the terminal.
Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 250,000+ scientists worldwide. 177 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.
A simple, yet elegant, HTTP library.
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
2,884+ reusable AI agent skills for Claude Code, Codex, Cursor and Gemini CLI. AAS Core adds local catalog discovery, agent-owned selection and plan preview. CLI, MCP and plugins.
A unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java / Rust
DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.
A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.
💫 Industrial-strength Natural Language Processing (NLP) in Python
The official Python library for the OpenAI API
🤗 smolagents: a barebones library for agents that think in code.
Distributed Task Queue (development branch)
Deezer source separation library including pretrained models.
Python Fire is a library for automatically generating command line interfaces (CLIs) from absolutely any Python object.
Graph Neural Network Library for PyTorch
Python Backtesting library for trading strategies
A Lightweight Face Recognition and Facial Attribute Analysis (Age, Gender, Emotion and Race) Library for Python
AKShare is an elegant and simple financial data interface library for Python, built for human beings! 开源财经数据接口库
Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.
💬 Open source machine learning framework to automate text- and voice-based conversations: NLU, dialogue management, connect to Slack, Facebook, and more - Create chatbots and voice assistants
Zipline, a Pythonic Algorithmic Trading Library
The interactive graphing library for Python :sparkles: