Give Your Agent a Film-Grade ETERNA Look

Where this fits

A user sends a portrait and asks, "Make this look like a still from a war drama." A generic sepia filter won't cut it. The eterna-image2image skill gives your agent a defined, professional color and composition language inspired by Fujifilm ETERNA film stock — muted tones, restrained contrast, and cinematic framing that reads as intentional, not AI-generated.

Why agents benefit

• Preserves subject identity and lighting – The skill keeps the original subject, composition, and scene lighting unless the user explicitly asks for creative changes, so edits stay faithful.
• Applies a consistent filmic grade – It translates ETERNA's low-saturation, subtle-teal-and-orange palette into actionable prompts or edits, avoiding the "generic retro filter" trap.
• Handles bilingual prompts – The skill's description covers both English and Chinese use cases, making it useful for agents serving global users.
• Reduces the "AI look" – By emphasizing restrained color and cinematic composition, it helps produce images that feel like movie stills, not diffusion outputs.
• Works with any image generation backend – It plugs into your existing raster image workflow, adding a style layer without requiring a new model.

Practical scenarios

War drama screenshot

A user wants a battlefield scene with dusty, muted tones and a sense of gravity. The agent applies ETERNA's desaturated palette and compositional rules (e.g., negative space, horizon placement) to generate a still that feels directed, not rendered.

Editorial fashion frame

For a fashion lookbook, the agent uses the skill to grade a studio shot toward ETERNA's restrained color, making the fabric textures and skin tones feel filmic rather than digital.

Bleach bypass effect

A user asks for the ETERNA Bleach Bypass look. The skill guides the agent to increase contrast while reducing saturation, producing a gritty, high-stakes feel perfect for crime or thriller scenes.

Add it to your agent workflow

Install the skill with:

npx skills add Cuimao777/eterna-image2image-skill --skill eterna-image2image

Then instruct your agent: "Apply the eterna-image2image treatment to this image, keeping the subject and lighting unchanged." The agent will follow the skill's core behavior to produce a cinema-grade result.

Compare before adopting

Evaluate this skill against other color-grading approaches by checking:

• Quality signals – Does the README show before/after examples or detailed color science? Look for actual test outputs.
• Maintenance freshness – Is the repo actively updated? A skill that lags behind image model changes loses value.
• Alternatives – How does it differ from generic "film" prompts or other creative skills? ETERNA's specificity is its strength.
• Workflow fit – Does it integrate with your current image generation tooling? The skill is model-agnostic, which helps.

Why it is worth tracking

With 179 stars and a focused, well-documented approach, this skill signals community interest in specialized cinematic grading for agents. It's worth tracking because it fills a real gap: most agents lack a consistent, professional color language. Revisit it when your users start asking for "movie-like" results — and check the repo for new releases or community forks that refine the ETERNA recipe. For a broader view of agent skills, browse OpenAgentSkill to see how it fits into the ecosystem.