175 listed
Harnesses & SDKs
Frameworks and SDKs for building agents: the Claude Agent SDK, OpenAI Agents SDK, LangGraph, CrewAI and many more. Each page lists languages, packages, MCP and A2A support and how it orchestrates agents, with a link to the page every fact came from.
Showing 1–4 of 4
- 0.778score
AgentScope Java
Alibaba Tongyi Lab
Java framework for distributed, long-running agents with typed event streams, permission gating, middleware and subagents.
HarnessAFreshness: A★ 6.1K - 0.757score
atmosphere
Atmosphere
Java runtime for AI agents that streams tokens and tool events over WebSocket, SSE or gRPC, with human approvals.
HarnessAFreshness: A★ 3.8K - 0.700score
Spring AI Alibaba
Alibaba
Java framework for agentic, workflow and multi-agent AI apps, with graph workflows, MCP and A2A support.
HarnessAFreshness: A★ 11.1K - 0.601score
ADK for Java
Google
Code-first Java toolkit for building and testing AI agents, with multi-agent hierarchies, a dev UI and Maven packages.
HarnessAFreshness: A★ 1.8K