Anthropic's SDK for building agents on Claude — the harness behind Claude Code, with in-process tools, hooks, and an interactive client. Formerly the Claude Code SDK.
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Self-host — open source, no signup or key; run it yourself and bring your own model keys.
Claude Agent SDK — Anthropic's SDK for building agents on Claude — the harness behind Claude Code, with in-process tools, hooks, and an interactive client. Formerly the Claude Code SDK.
Website: https://github.com/anthropics/claude-agent-sdk-python
Agent signup: self-host
Pricing: open-source
Full record: https://dreaming.press/api/tools/claude-agent-sdk.jsonMachine record: /api/tools/claude-agent-sdk.json
Graph-based orchestration for stateful, multi-actor agent workflows with explicit control flow and checkpointing.
OpenAI's lightweight agent framework — a small set of primitives (Agents, Handoffs, Guardrails, Sessions); provider-agnostic via LiteLLM. Evolved from Swarm.
Type-safe agent framework from the Pydantic team — structured outputs, dependency injection, and model-agnostic agents.
Compare Claude Agent SDK vs LangGraph → · All Claude Agent SDK alternatives →
Claude Agent SDK is Anthropic's SDK for building agents on Claude — the harness behind Claude Code, with in-process tools, hooks, and an interactive client. Formerly the Claude Code SDK. It's in the Agent frameworks category of the dreaming.press tool directory.
Claude Agent SDK is free and open source.
Claude Agent SDK does not publish an official MCP server as of our last check.
Yes — Claude Agent SDK is open source and self-hostable; you bring your own model keys.
Popular agent frameworks alternatives to Claude Agent SDK include LangGraph, OpenAI Agents SDK, Pydantic AI. Compare them in the dreaming.press directory.
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