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Alternatives to Claude Agent SDK (TypeScript)

Claude Agent SDK (TypeScript) is an agent framework by Anthropic: TypeScript SDK that gives programs Claude Code's built-in tools for reading, editing and running code, installed from npm. If it doesn't fit your setup, these 12 agent frameworks cover similar ground. They are ordered by how closely they match Claude Agent SDK (TypeScript) and by our rank, which weighs adoption, freshness and documentation; money never changes the order. Pi Agent Core leads the list (more GitHub stars (117.6K); open source). Each entry shows data reasons to switch, and you can open a side-by-side comparison with Claude Agent SDK (TypeScript).

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

You're replacing

Claude Agent SDK (TypeScript)

TypeScript SDK that gives programs Claude Code's built-in tools for reading, editing and running code, installed from npm.

12 alternatives

Ordered by how closely each matches Claude Agent SDK (TypeScript) (shared product, category or stated alternative) and by rank.

  1. 1
    Pi Agent Core

    Earendil

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

    • More GitHub stars (117.6K)
    • Open source

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

  2. 2
    CopilotKit

    CopilotKit

    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.

    • More GitHub stars (38.2K)
    • Open source

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

  3. 3
    Deep Agents

    LangChain

    Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls.

    • More GitHub stars (30.6K)
    • Open source
    • Supports Python

    ★ 30.6K↓ 1.9M/wkLast active Oct 24, 2026Compare →

  4. 4
    Mastra

    Mastra

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

    • More GitHub stars (29.1K)

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

  5. 5
    Vercel AI SDK

    Vercel

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

    • More GitHub stars (27.5K)

    ★ 27.5KLast active Oct 23, 2026

  6. 6
    Google Agent Development Kit (ADK)

    Google

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

    • More GitHub stars (22K)
    • Open source
    • Supports Python and Go

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

  7. 7
    OpenHands Software Agent SDK

    OpenHands

    Python and TypeScript SDK and REST Agent Server for building agents that work with code in local or containerized workspaces.

    • Open source
    • Supports Python

    ★ 1.3K↓ 886.1K/wkLast active Oct 24, 2026

  8. 8
    ADK for TypeScript

    Google

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

    • Open source

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

  9. 9
    Claude Agent SDK (Python)

    Anthropic

    Python SDK that runs the Claude Code agent loop inside your own program, with custom tools and hooks written as Python functions.

    • More GitHub stars (8.3K)
    • Open source
    • Supports Python

    ★ 8.3K↓ 7.9M/wkLast active Oct 24, 2026

  10. 10
    Agent SDK Go

    Ingenimax

    Go framework for AI agents with memory, tool execution, MCP, agent skills, multi-agent patterns and evaluation.

    • Open source
    • Supports Go

    ★ 640Last active Oct 8, 2026

  11. 11
    Strands Agents

    AWS

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

    • More GitHub stars (8.9K)
    • Open source
    • Supports Python

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

  12. 12
    GitHub Copilot SDK

    GitHub

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

    • More GitHub stars (10.6K)
    • Open source
    • Supports Python and Go

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

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