ModelAnthropicOfficialVerified
Anthropic Tool Use
Describe typed tools and receive structured calls for your application to execute.
A practical contract for connecting Claude models to functions, APIs, and controlled application actions.
- Provider
- Anthropic
- Reviewed
- September 17, 2026
- Project status
- Official
- Verification
- Verified
- Categories
- development, automation
- Compatibility
- TypeScript, JSON Schema, Zod
Inputs
- ✓Tool definitions
- ✓Conversation messages
- ✓Tool choice
Outputs
- ✓Tool call
- ✓Typed arguments
- ✓Text response
Interface
- ✓tool-use
Decision tasks
- ✓Choose
- ✓Route
- ✓Extract
Verified model facts
This field has not been verified from a reliable source yet. Check the linked sources or submit a correction with evidence.
Implementation guidance
Keep the declared inputs and outputs visible in code review. Validate every model response before it reaches a database, API, or customer-facing action.