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thaki-AI/daily-paper-2026-08-03-deferred-tool-schema-discovery-cost

Cold-Start Tool Blindness: Measuring the Unknown-Unknown Cost of Deferred MCP Tool-Schema Loading in LLM Agent Harnesses TL;DR — Deferred MCP tool-schema loading saves up to 91.4% of input tokens but silently fails to retrieve tools whose names and descriptions share no vocabulary with the agent's task description, recovering only 2 of 26 tools (7.7%) under unaligned queries — a failure mode we call cold-start tool blindness. ThakiCloud AI Research · 2026-08-03 · 📝 Tech blog… See the full description on the dataset page: https://huggingface.co/datasets/thaki-AI/daily-paper-2026-08-03-deferred-tool-schema-discovery-cost.

sourceHugging Facecc-by-4.0updated 2mo agoView on Hugging Face

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