Unverified50% confidenceFactExact time
LLM APIs from different vendors vary in parameter naming, response structure, and error handling.
1
Sources
50%
Confidence
Long-term
Relevance
9/26/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedThe Function Calling mechanism allows LLMs to declare in structured JSON format the external tools and parameters they need to invoke, and the tool's return value is injected as-is into the next round of model input.71% similarUnverifiedThe JSON structure returned by LLM APIs may vary across model versions.71% similarVerifiedIn the tool-calling mechanism, developers attach a tool description list in JSON Schema format when calling the LLM API, and the model outputs call parameters in structured JSON format67% similarUnverifiedInstability in structured output (such as malformed JSON, missing fields, and hallucinated non-existent API parameters) is one of the most common failure sources in current Agent applications in production environments.65% similarUnverifiedLLM本身并不直接执行工具，而是生成一个JSON字符串指定要调用的工具名和参数，由Agent执行逻辑解析并实际调用对应函数64% similar
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