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MCP-Injector:120B 模型应对 MCP 工具故障并不比 20B 强
研究团队推出 MCP-Injector,向 MCP 工具调用注入故障的代理工具,故障类型基于 1,774 个开源 MCP 仓库的 57,240 条 issue 和 PR 记录校准。在 1,350 次运行中,gpt-oss-20B 和 120B 配合三种 Agent 框架(自研 plan-and-execute、OpenAI Agents SDK、LangChain)测试,任务完成分从 8.08 跌至 3.23(满分 10),下降 60%。120B 相对 20B 的优势不显著(p = 0.96),故障下完成率甚至略低(91.1% 对 95.6%)。框架之间的差异大于模型大小的差异,论文已被 NeurIPS 2026 接收。
Current read
做了个给 MCP 工具注入故障的代理,测完发现 120B 和 20B 表现差不多,真正影响结果的是框架,做 Agent 评测的建议加故障注入。
11 sources47° AI heatLast updated 2026/10/26 15:07:02
Evidence
11 sourcesRelated source 1Tibor Blaho
View sourceRelated source 2Vaibhav Srivastav
View sourceRelated source 3Rest of World
View sourceRelated source 4IT之家
View sourceRelated source 5Nathan Lambert
View sourceRelated source 6Greg Brockman
View sourceRelated source 7爱范儿
View sourceRelated source 8量子位
View sourceRelated source 9OpenAI Blog
View sourceRelated source 10AWS Machine Learning Blog
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