Academic study: agents without MCP match reliability and cost 5-28x less on mature CLI tasks
tobowers · x · 2026-08-21
A team of academics ran the same software task across 7 agents and 5 models. They found that in domains with a mature CLI ecosystem, agents without MCP baked in completed the task just as reliably and were 5-28x cheaper. Full paper is on arXiv. A notable counterpoint to the 'MCP everywhere' trend in agent engineering: if the domain already has solid CLI tools, letting agents use them directly may beat wiring up MCP servers.
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