Unverified50% confidenceDecision RuleExact time
When the number of tools exceeds ten, consider hierarchical routing—first let the agent choose a tool category, then choose a specific tool within the category, to avoid it getting lost in a long list.
1
Sources
50%
Confidence
Long-term
Relevance
10/20/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe more tools there are and the more similar their descriptions, the overall usability of the entire tool chain may actually be lower than a system with fewer but precisely described tools.77% similarUnverifiedAgents often combine multiple tool calls to fulfil a single intent, and single-tool rules cannot capture dangerous cross-tool combinations (e.g., first reading .env and then exfiltrating it via curl).76% similarUnverifiedThe author believes that re-selecting tools for each investigation goal is better than a fixed toolset, and that tool research and tool use should be separated.74% similarUnverified工具可分为「补偿智能不足的工具」和「随智能增长的工具」，前者会强迫特定写代码顺序且无法随模型变强受益，后者随模型越强越有用74% similarUnverifiedTools选择困难问题在工具数量超过20个后尤为突出74% similar
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