feat: add Anthropic-compatible API endpoints (Messages and Models) #5994
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Implement comprehensive compatibility with Anthropic's Messages API and Models API,
including streaming, non-streaming, tool use, system prompts, and model discovery.
- Full request/response type conversion with Anthropic format
- System prompts (string and array formats)
- Multi-turn conversations with conversation history
- Tool use and tool results with full support
- SSE streaming with Anthropic-specific event types (6 event types)
- Tool choice: auto, any, or specific
- All inference parameters (temperature, top_p, top_k, stop_sequences)
- TensorZero-specific parameters (tags, episode_id, variant_name, etc.)
- Model discovery endpoint returning all configured models
- Function models (tensorzero::function_name::{name})
- Provider models (tensorzero::model_name::{name})
- Filters functions without variants, sorted alphabetically
Aligned with Anthropic API specifications:
- Messages API: https://docs.anthropic.com/en/api/messages
- Models API: https://docs.anthropic.com/en/api/models
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All contributors have signed the CLA ✍️ ✅ |
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I have read the Contributor License Agreement (CLA) and hereby sign the CLA. |
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Implement comprehensive compatibility with Anthropic's Messages API and Models API, including streaming, non-streaming, tool use, system prompts, and model discovery.
Full request/response type conversion with Anthropic format
System prompts (string and array formats)
Multi-turn conversations with conversation history
Tool use and tool results with full support
SSE streaming with Anthropic-specific event types (6 event types)
Tool choice: auto, any, or specific
All inference parameters (temperature, top_p, top_k, stop_sequences)
TensorZero-specific parameters (tags, episode_id, variant_name, etc.)
Model discovery endpoint returning all configured models
Function models (tensorzero::function_name::{name})
Provider models (tensorzero::model_name::{name})
Filters functions without variants, sorted alphabetically
Aligned with Anthropic API specifications: