Unverified50% confidenceOpinionExact time
Instability 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.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/3/2026
First Seen
Valid until: 12/2/2026
Sources
Related Entities
Related Claims
Unverified在 ReAct 为代表的 Agent 框架中，工具调用的 JSON 格式错误是导致 Agent 循环失败的最常见原因之一77% similarUnverifiedAgents that rely on JSON-formatted output may encounter dozens of formatting anomalies across thousands of calls, causing downstream parsing failures.75% similarUnverified7B及更小的模型在工具调用场景下容易遗漏必填参数或输出不完整的JSON格式，导致Agent框架解析失败72% similarUnverifiedHigh-frequency error patterns in tool calls from open-source models include: passing null values for optional fields, outputting JSON arrays as strings instead of true arrays, wrapping parameters in empty objects, and missing parameter values (e.g., offset).71% similar
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