Codex Imagegen Prompt File Workflow
Source type:
obs· Harvested: 2026-05-04 · Original date: 2026-05-04T06:03:44.680Z Metadata:{"project":"Desktop","type":"discovery","obs_id":65416}
obs/65416 · discovery · 2026-05-04T06:03:44.680Z
Codex Imagegen Prompt File Workflow
Discovered Codex Presentations image generation workflow uses an intermediary script to prepare prompt files rather than direct API calls. The openai_generate_image.py helper creates structured prompt text files containing JSON metadata and the actual prompt text, which are then passed to Codex’s imagegen tool. This two-step approach keeps API credentials and network calls within the Codex agent boundary while allowing the Presentations skill to specify image requirements. Relevant for regenerating concept diagrams in the Advanced PCA deck using gpt-image-2.
Concepts: [“how-it-works”,“pattern”]
Facts: [“openai_generate_image.py script writes prompt text files for Codex imagegen tool, does not call network APIs or read API keys”,“Script accepts prompt, output path, reference image, size (default 1792x1024), quality (default medium), format (default png), and background mode”,“Generated prompt files include JSON metadata with intended_output, reference_image, size, quality, format, background, and moderation settings”,“Prompt files saved with .imagegen.txt extension beside intended output path or with timestamp in current directory”]
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