Agents GitHub Repositories (2026) · Open Source Tools

LlamaIndex is the document processing platform for AI

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

The Apify MCP server enables your AI agents to extract data from social media, search engines, maps, e-commerce sites, or any other website using thousands of ready-made scrapers, crawlers, and automation tools available on the Apify Store.

A programming framework for agentic AI

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

A framework for building realtime voice AI agents 🤖🎙️📹

An agent-first linter for Tailwind design systems. Write design system rules that agents can verify.

Infrastructure for coding agents

Build Real-Time Knowledge Graphs for AI Agents

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Automation engine to build, test and ship any codebase. Runs locally, in CI, or directly in the cloud

FineEnvs — RL Environments 101: building and scaling RL environments in the age of LLMs

Interactive architecture diagrams for codebases

Fast and Accurate Code Search for Agents. Uses 99% fewer tokens than grep+read

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

Secure environments for developers and their agents

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

Token conscious database MCP server for Postgres, MySQL, SQL Server, Oracle, MariaDB, SQLite.