Best AI GitHub Repos

Reference agents, skills, and data connectors for FSI workflows (investment banking, equity research, PE, wealth management). Claude Cowork plugins + Claude Managed Agents.

The Cursor for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your React App with AI

Building AI agents, atomically

The OpenAI Model Spec

Open-source desktop app for local LLMs. Text, vision, tool-calling, OpenAI/Anthropic-compatible API. 100% private.

tiktoken is a fast BPE tokeniser for use with OpenAI's models.

Repo for the Claude Code Marketplace to use with the Claude for Life Sciences Launch. This will continue to host the marketplace.json long-term, but not the actual MCP servers.

Build AI Agents, Visually

Monitor browser logs directly from Cursor and other MCP compatible IDEs.

FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

Starter app to build with OpenAI ChatKit SDK

Open Data Platform for analysts, quants and AI agents.

A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.

gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code

Build hours code to share.

An official OpenAI toolkit for social scientists and data scientists to measure quantitative attributes in text, images, or audio using the GPT API.

Use Codex from Claude Code to review code or delegate tasks.

aider is AI pair programming in your terminal

Train the smallest LM you can that fits in 16MB. Best model wins!

Base docker image used in Codex environments