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LLM tool call failure highlights prompt-gateway name mismatch

By PulseAugur Editorial · [1 sources] ·

A recent issue highlighted a failure in LLM tool call processing where a model correctly followed instructions but the gateway misinterpreted the output. The ToolACE prompt provided tool names with dots, like `SleepOptimizer.configureRoom`, but the gateway expected an underscore, `SleepOptimizer_configureRoom`. The model generated the call using the original dotted name, which the gateway then returned as plain text instead of executing it. A fix was implemented to map written tool names to offered tools, specifically addressing cases where dots or spaces replace underscores, while avoiding misinterpretations of mathematical expressions. AI

IMPACT Highlights the need for precise mapping between LLM prompts and tool schemas to prevent errors in automated workflows.

RANK_REASON The item describes a specific bug fix and improvement to an LLM tool integration, rather than a new model release or significant industry event.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

LLM tool call failure highlights prompt-gateway name mismatch

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17 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
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Tool
The item describes a specific bug fix and improvement to an LLM tool integration, rather than a new model release or significant industry event.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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product, other
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High
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Breaking (< 6h)
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COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Tom Jones ·

    A tool call that came back as text

    <p>One benchmark gave us a quiet failure. The model wrote a tool call, and our gateway handed it back as chat text.</p> <p>The setup is small. The ToolACE prompt (from the <a href="https://arxiv.org/abs/2409.00920" rel="noopener noreferrer">ToolACE paper</a>) lists tools by their…

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