Best agent frameworks for TypeScript

Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves.

• Most GitHub stars here (117,586)
• Active in the last 30 days
• Open source (MIT)

★ 117.6K↓ 5.1M/wkLast active Oct 24, 2026

Open-source Python and TypeScript SDK for model-driven agents, with tools, MCP, multi-agent patterns and streaming.

• 8.9K GitHub stars
• Most weekly downloads here (8.9M)
• Active in the last 30 days

★ 8.9K↓ 8.9M/wkLast active Oct 24, 2026

Open-source agent harness for stateful agents whose memory persists and improves with use, with a terminal UI, app server and TypeScript SDK.

• 25.2K GitHub stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 25.2K↓ 40.7K/wkLast active Oct 18, 2026

TypeScript toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes.

• 1.4K GitHub stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 1.4K↓ 143.5K/wkLast active Oct 23, 2026

DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.

• 3K GitHub stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 3K↓ 27.2K/wkLast active Oct 21, 2026

TypeScript SDK for streaming chat, tool-calling agents and structured output across model providers and UI frameworks.

• 3.2K GitHub stars
• Active in the last 30 days
• Open source (MIT)

★ 3.2KLast active Oct 24, 2026

Python and TypeScript framework for multi-agent systems, with MCP and A2A interop, YAML orchestration and OpenTelemetry tracing.

• 3.4K GitHub stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 3.4K↓ 5.4K/wkLast active Oct 23, 2026

Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.

• 10.6K GitHub stars
• Active in the last 30 days
• Open source (MIT)

★ 10.6K↓ 1.2M/wkLast active Oct 24, 2026

TypeScript framework for AI agents and apps with graph-based workflows, memory, suspend-and-resume approvals, MCP servers and model routing.

• 29.1K GitHub stars
• Active in the last 30 days
• For TypeScript

★ 29.1K↓ 1.4M/wkLast active Oct 24, 2026

Open-source toolkit for building, evaluating and deploying agents in Python, TypeScript, Go, Java and Kotlin, tuned for Gemini but model-agnostic.

• 22K GitHub stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 22K↓ 2.4M/wkLast active Oct 24, 2026

SDK for browser agents with act, observe and extract calls, used from TypeScript and Python to automate sites and pull out structured data.

• 25.8K GitHub stars
• Active in the last 30 days
• Open source (MIT)

★ 25.8K↓ 996K/wkLast active Oct 23, 2026

Open-source SDK that connects AI agents to app front ends with chat UI, generative UI, shared state and human approvals; creator of the AG-UI protocol.

• 38.2K GitHub stars
• Active in the last 30 days
• Open source (MIT)

★ 38.2K↓ 286.2K/wkLast active Oct 24, 2026

Open-source framework that routes each user query to one of several AI agents, with Python, TypeScript and Swift runtimes.

• 7.8K GitHub stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 7.8K↓ 1.5K/wkLast active Oct 2, 2026

TypeScript toolkit for AI apps and agents with a unified provider API, streaming, UI hooks and a wrapper for running established agent harnesses.

• 27.5K GitHub stars
• Active in the last 30 days
• For TypeScript

★ 27.5KLast active Oct 23, 2026

JavaScript and TypeScript framework of interoperable components for building LLM apps and agents, with LangGraph.js and Deep Agents above it.

• 18.3K GitHub stars
• Active in the last 30 days
• Open source (MIT)

★ 18.3KLast active Oct 23, 2026