Building a custom agent harness? Use MCP tools — frontier LLMs know them well
omarsar0 · x · 2026-09-18
Elvis Saravia shares a practical tip for agent builders: if you're building a custom agent harness, use MCP tools. Frontier LLMs know MCP extremely well, which makes testing and integrating tools much easier as you go.
He says he built his own meta harness with MCP tools and calls it one of the best decisions he has made.
Related event: Developers Recommend MCP Tools for Custom Agent Frameworks(2 posts)→
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