arxiv
PublishedJuly 16, 2026 at 4:00 AM
—neutral
AgentCheck: A Reproduce-Intervene-Mitigate Workbench for LLM Agents over MCP
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arXiv:2607.11098v3 Announce Type: replace-cross Abstract: Tool-using LLM agents are mostly evaluated assuming all tools work. When a tool times out, returns a week-stale value, or has its description poisoned in deployment, the developer needs a controlled way to reproduce the failure, test a fix, a
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