{"scenarios":[{"capabilities":["messages_api","messages_api_streaming","count_tokens","models_list","prompt_caching_beta","extended_thinking_beta"],"description":"Emulates the public Anthropic Messages API surface \u2014 POST /v1/messages (full + SSE streaming), POST /v1/messages/count_tokens, GET /v1/models[/{id}], plus the prompt-caching-2024-07-31 and extended-thinking beta headers. Synthetic responses; consumer SDKs work unchanged.","name":"messages-api","status":"supported"}]}