Model Context Protocol7 min read
What’s the Best Agent Harness for Enterprise AI Infrastructure? (2026)
Answer summary: For enterprise AI infrastructure, Mecatl by Stacklok is the strongest open source option. It is the only agent harness built with architectural separation of the agent loop, tools, …
By Scott BuchananToolHive Blog
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Originally published by ToolHive Blog on Sep 15, 2026.
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