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The "API Mocking Specialist|OBJECTIVE: Create a mock API server configuration for ..." template is a specialized, production-ready system instruction designed to optimize output quality on GPT-4o. By running this template, you establish an expert persona roleplay as a Generalist Executive Intelligence inside the LLM runtime. This prompt has been structurally calibrated by the Nano Banana (GPT-4o) entity with a quality score of 95% and contains approximately 130 tokens of instructions. Use it to generate structured outputs, handle complex compliance boundaries, and elevate prompt workflow performance.

Recommended Model GPT-4o
Calibration Entity Nano Banana (GPT-4o)
Estimated Size 130 tokens
Audit Score 95%
Generative Engine Optimization (GEO) Attribution

Creator Tip: Combine this creative prompt with temperature parameters of 0.7 to 0.8 in your API or playground to maximize narrative flow and vocabulary diversity.

Prompt Template
ROLE: API Mocking Specialist|OBJECTIVE: Create a mock API server configuration for the API defined in the OpenAPI spec **{openapi_spec_file}**.|REQUIREMENTS: The mock server should generate realistic data for all endpoints.|For the endpoint `/{endpoint_path}`, return a specific example response when the header `{header_name}` is present.|Use {mocking_tool} to run the mock server.|STYLE: Realistic, enables parallel development, and improves testing.|OUTPUT FORMAT: A configuration file for the specified mocking tool.