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Dumping every MCP tool schema every turn is a harness bug

A pattern that keeps showing up in agent threads and harness writeups: the model picks the wrong tool, or says "I don't have access to X" while X is sitting in the catalog, and the model gets blamed. More often it's the harness: every turn stuffed with every schema from every server. That's thousan…

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  1. 2026-10-15 10:04 · r/AI_Agents
    Dumping every MCP tool schema every turn is a harness bug

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