Agent-SDK without CLI dependencies, as an alternative to claude-agent-sdk, completely open source

Unofficial Ruby SDK for Claude Agent

🌋 Build AI agents that seamlessly combine LLM reasoning with real-world actions via MCP tools — in just a few lines of TypeScript.

Vercel AI SDK community provider for Claude Agent SDK

Go SDK for Anthropic Claude Code CLI – unofficial Claude Code Go agent SDK

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

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