best-of-Agent-Harnesses

gpt-researcher

Autonomous deep-research agent: web + local sources, citation-grounded reports, multi-agent and deep-research modes. The reference open-source research harness.

multi-agentpython

Stars: 27.8k
Adoption surface: complex
Autonomy: bounded
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License: ✅ open-source
Category: Research and task-specific harnesses

Repository ↗ Example: Multi-agent LangGraph walkthrough ↗

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openagents