ToolAI Tools & APIsv2.0

Anthropic Tool Use

by Anthropic · paid · Last verified 2026-03-17

Anthropic's native tool use capability allowing Claude models to interact with external tools and APIs. Provides structured tool definitions with input schemas and supports parallel tool calls and streaming.

https://docs.anthropic.com/en/docs/build-with-claude/tool-use ↗

B+

B+—Good

Adoption: AQuality: A+Freshness: A+Citations: B+Engagement: F

Specifications

License: Proprietary
Pricing: paid
Capabilities: tool-use, structured-input, parallel-tool-calls, streaming-tools, computer-use
Integrations: langchain, llamaindex, model-context-protocol
Use Cases: tool-integration, agent-actions, data-retrieval, computer-use
API Available: Yes
SDK Languages: python, typescript
Deployment: cloud
Rate Limits: Part of Anthropic API rate limits
Data Privacy: Anthropic API privacy policy; SOC 2 Type II compliant
Tags: tool-use, anthropic, claude, function-calling
Added: 2026-03-17
Completeness: 100%

Index Score

70.7

Adoption

Quality

Freshness

Citations

Engagement

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