Tool Search

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// recent coverage 2 mentions

15:44

2026-07-10

dev.to

large-language-models

Anthropic Just Admitted MCP Has a Context Problem

Anthropic released Tool Search alongside Claude Opus 4.5, allowing tools to be marked as `defer_loading: true` so their schemas are not loaded into the context window until needed. This lazy loading i…

03:11

2026-05-30

marktechpost.com

ai-agents

Hermes Agent Ships Tool Search for MCP: Anthropic Evals Show 49% to 74% Accuracy Gain on Opus 4

Nous Research's open-source Hermes Agent now ships a Tool Search feature that addresses context window overload from MCP tools. Anthropic's internal evaluations show the feature improved Claude Opus 4…

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MCP 2 Anthropic 2 Nous Research 1 Hermes Agent 1 Opus 4 1 Tool Attention 1 Claude Opus 4.5 1 mcporter 1