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🔧 Tool Calling active v1.0

Tool Use (Anthropic)

by Anthropic
Native tool use capability allowing Claude to call external tools with structured inputs and process results.

Key Features

  • native
  • structured
  • multi-turn

📄 Specification

Category 🔧 Tool Calling
Version1.0
MaintainerAnthropic
Status active
Sourcedocs.anthropic.com/en/docs/build-with-claude/tool-use

💻 Code Examples

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Discovered March 24, 2026
Last updated March 24, 2026