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
- 0.627score
AutoGen
Microsoft
Archived Microsoft Python framework for multi-agent apps; Microsoft directs new users to Microsoft Agent Framework.
HarnessAFreshness: A★ 61.5K↓ 89K/wk - 0.625score
BrowserGym
ServiceNow
Gym-style Python environment for building and evaluating web agents on MiniWoB, WebArena, WorkArena and other benchmarks.
HarnessAFreshness: A★ 1.4K↓ 3.4K/wk - 0.578score
AgentLab
ServiceNow
Framework for developing, evaluating and benchmarking web agents on BrowserGym benchmarks, with parallel runs through Ray.
HarnessAFreshness: A★ 657↓ 269/wk - 0.511score
OpenAI Swarm
OpenAI
Experimental Python library that teaches agent handoffs on the Chat Completions API; OpenAI now points users to its Agents SDK.
HarnessDFreshness: D★ 22.1K