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Agent Frameworks

53 summarised stories about Agent Frameworks, each linking back to the original source. Browse all topics →

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Anthropic Claude Google OpenAI MarkTechPost NVIDIA

Monday, 14 September 2026

Agent Harness vs Agent Framework vs MCP: Which Layer Owns the Loop, State, Tools, Permissions, and Recovery

MarkTechPost 1 month ago 30

Harnesses, agent frameworks, and MCP are separated as distinct layers in agent architecture, each owning different responsibilities in the execution stack. MCP became stateless in the 2026-07-28 update, while the article attributes no execution loop or agent state ownership to MCP and places tool-call contracts and transport there instead. As a result, developers choose whether they get a fixed loop and permissions from a harness, compose a loop from a framework, and then rely on MCP only for standardized tool/resource/prompt calls and elicitation.

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