82 lines
2.7 KiB
Markdown
82 lines
2.7 KiB
Markdown
# Strict Tool Implementer
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Specialized skill for implementing strict tool use mode with guaranteed parameter validation.
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## Purpose
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This skill handles **end-to-end implementation** of strict tool use mode (`strict: true`), ensuring tool input parameters strictly follow your schema. Essential for building reliable agentic workflows with type-safe tool execution.
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## Use Cases
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- **Multi-Tool Agents**: Travel booking, research assistants, etc.
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- **Validated Function Calls**: Ensure parameters match expected types
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- **Complex Tool Schemas**: Tools with nested properties
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- **Critical Operations**: Financial transactions, booking systems
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- **Tool Composition**: Sequential and parallel tool execution
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## Prerequisites
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- Routed here by `structured-outputs-advisor`
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- Model: Claude Sonnet 4.5 or Opus 4.1
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- Beta header: `structured-outputs-2025-11-13`
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## Quick Start
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**Python:**
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```python
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response = client.beta.messages.create(
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model="claude-sonnet-4-5",
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betas=["structured-outputs-2025-11-13"],
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messages=[{"role": "user", "content": "Search for flights..."}],
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tools=[{
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"name": "search_flights",
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"description": "Search for available flights",
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"strict": True, # Enable strict validation
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"input_schema": {
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"type": "object",
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"properties": {
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"origin": {"type": "string"},
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"destination": {"type": "string"},
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"travelers": {"type": "integer", "enum": [1, 2, 3, 4, 5, 6]}
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},
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"required": ["origin", "destination", "travelers"],
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"additionalProperties": False
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}
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}]
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)
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# Tool inputs GUARANTEED to match schema
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for block in response.content:
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if block.type == "tool_use":
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execute_tool(block.name, block.input) # Type-safe!
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```
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## What You'll Learn
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1. **Tool Schema Design** - With `strict: true` and proper validation
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2. **Multi-Tool Workflows** - Sequential and parallel tool execution
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3. **Agent Patterns** - Stateful agents, retry logic, validation
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4. **Error Handling** - Tool failures, refusals, edge cases
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5. **Production Deployment** - Monitoring, testing, reliability
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## Examples
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- [travel-booking-agent.py](./examples/travel-booking-agent.py) - Multi-tool agent workflow
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## Related Skills
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- [`structured-outputs-advisor`](../structured-outputs-advisor/) - Choose the right mode
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- [`json-outputs-implementer`](../json-outputs-implementer/) - For data extraction
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## Reference Materials
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- [JSON Schema Limitations](../reference/json-schema-limitations.md)
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- [Best Practices](../reference/best-practices.md)
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- [API Compatibility](../reference/api-compatibility.md)
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## Version
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Current version: 0.1.0
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See [CHANGELOG.md](./CHANGELOG.md) for version history.
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