Opennan

Story concepts

Disponible

Send a script, lyrics or a story idea. Get distinct film concepts, each with a synopsis, a visual style, a story arc, key scenes, locations, key objects and the story's sections.

$0.2808 per runFailed runs are not charged.

Story concepts

Entrada

287 / 20.000
For example: anime, film noir, warm 3D animation.
One a line, up to 10: a name, then what they look like after a colon.
Kept in every concept.

$0.2808 per run.

These tools need an API key with the api:opennan scope: paste one under Use API key to run them.

Salida

Ejemplo
Resultado de ejemploMade with these inputs

The Cabin on the Ridge

Leo's journey is told exactly as the lyrics describe — a weary climb rewarded by warmth, a mysterious map, and a hopeful dawn departure. The video ends with the first breathtaking glimpse of the hidden lake, glittering below the mountains. Every visual beat mirrors the song's gentle, wonder-filled tone.

Visual style

Warm amber and honey tones dominate interior scenes; crisp blue-white snow outside creates a cozy contrast. Soft volumetric lighting spills from cabin windows into the dusk. Camera moves are slow and deliberate — wide establishing shots of the mountain, then intimate close-ups inside the cabin. 3D animation with slightly painterly textures, like a storybook illustration come to life.

Story arc

The video opens on a vast snowy mountain at dusk, tiny Leo visible against the immensity of the landscape — immediately establishing scale and wonder. As he reaches the cabin and steps inside, the world shrinks to something warm and safe, full of small discoveries. The old map becomes the emotional turning point — his eyes light up, and we feel the pull of the unknown. Dawn arrives gently, and Leo steps back into the cold world, but now with purpose. The final shot — the hidden lake revealed below the treeline — lands as a quiet, earned miracle.

Key scenes

  1. Leo silhouetted against a violet dusk sky, the glowing cabin window the only warm light on the entire snowy slope — he reaches out and touches the door.
  2. Close-up of Leo's gloved finger tracing the route on the old map pinned to the cabin wall, his breath fogging slightly in the cold air.
  3. Time-lapse of the cabin at night — stars wheel overhead, warm light steady in the window — then dawn blushes pink across the snow.
  4. Leo crests a final ridge at golden hour and stops. Camera slowly pulls back to reveal the hidden lake below, perfectly still, reflecting the morning sky.

Locations

  • snowy_mountain_slope · Steep snow-covered hillside at dusk, purple-blue shadows, sparse pine trees, soft gradient sky fading from orange to violet
  • cabin_exterior_dusk · Small log cabin on a snowy ridge, amber light glowing warmly from two square windows, thin smoke curling from stone chimney
  • cabin_interior · Cozy single-room log cabin, stone fireplace casting warm orange glow, wooden shelves with jars and books, planked floor dusted with snow from the open door
  • cabin_exterior_dawn · Same log cabin at early morning, snow tinted pink-gold by rising sun, long blue shadows stretching across fresh undisturbed snow
  • mountain_ridge_path · Narrow snow trail winding between frosted pine trees, pale morning light filtering through branches, footprints forming behind a small walking figure
  • hidden_lake_reveal · Vast pristine alpine lake in a mountain valley, perfectly still water reflecting gold-pink dawn sky, surrounded by snow-capped peaks, no footprints anywhere

Cómo funciona

  1. 01Send the scriptUp to 20,000 characters, with your characters and direction.
  2. 02We write conceptsEach one a different take, built around your direction.
  3. 03Pick oneUse its scenes, locations and objects to plan the film.

Llama a Story concepts desde tu código

One endpoint and one key, on the same balance as the playground. The request below is the example's own.

POSThttps://api.opennan.com/v1/story/concepts
  1. Consigue una clave de API

    Crea una clave en la consola. Usa el mismo saldo que el playground.

    Crear una clave
  2. Envía tu primera solicitud

    La misma solicitud que envía el playground. Pon tu clave en OPENNAN_KEY.

    curl https://api.opennan.com/v1/story/concepts \
      -H "Authorization: Bearer $OPENNAN_KEY" \
      -H "Content-Type: application/json" \
      -d '{"script":"Leo, a cheerful young explorer in a green jacket with a big backpack, reaches a snowy log cabin at dusk after a long climb. Warm light glows in the windows. Inside he finds an old map pinned to the wall, showing a hidden lake beyond the mountains. At dawn he sets off again, map in hand.","style":"warm 3D animation","characters":[{"name":"Leo","description":"a cheerful young explorer, green jacket, big backpack, brown hair"}],"direction":"Keep it hopeful and gentle; end on the first view of the hidden lake."}'
    
    # Then poll until "status" is "succeeded" or "failed":
    curl https://api.opennan.com/v1/tasks/<task id> -H "Authorization: Bearer $OPENNAN_KEY"
  3. Consulta la tarea

    La llamada responde al instante con un id de tarea. Consulta la tarea hasta que termine:

    GEThttps://api.opennan.com/v1/tasks/{id}
    queued
    Esperando un worker
    running
    En proceso
    succeeded
    Listo: outputs[].url contiene los archivos
    failed
    Falló: no se cobra

Errores y cómo resolverlos

  • 401Falta la clave o es incorrecta

    Envía la cabecera Authorization: Bearer con una clave de la consola.

  • 402Saldo insuficiente

    Añade saldo en Facturación y vuelve a enviar la misma llamada.

  • 400Un valor no se acepta

    Lee error.message: indica el campo. Usa un valor de la tabla de parámetros.

  • 429Demasiadas solicitudes

    Espera unos segundos y vuelve a intentarlo, esperando más tras cada 429.

Añade Opennan a tu app de IA

Una sola instalación le da a tu IA todas las herramientas de Opennan: vídeo, imágenes, chat, voz, música, efectos de sonido, 3D, subtítulos y doblaje. Elige tu app y sigue los pasos.

Servidor MCPhttps://api.opennan.com/v1/mcp

Funciona en Codex CLI, la app de Codex y la extensión de Codex para el IDE: comparten ~/.codex/config.toml. Si la app o el IDE no ven OPENNAN_KEY, usa la opción de config.toml con tu clave. Codex pide permiso antes de cada herramienta: apruébalo para seguir.

  1. Consigue una clave de API

    Crea una clave en la consola. Empieza por sk- y usa el mismo saldo que la web.

    Crear una clave
  2. Guarda tu clave como OPENNAN_KEY

    # macOS / Linux (zsh shown; bash: ~/.bashrc)
    echo 'export OPENNAN_KEY="sk-..."' >> ~/.zshrc
    source ~/.zshrc
    
    # Windows (PowerShell), then open a new terminal
    setx OPENNAN_KEY "sk-..."
  3. Instala el plugin de Opennan: el servidor y una skill que enseña a tu IA a elegir modelos, confirmar precios y esperar los resultados

    codex plugin marketplace add Opennan/opennan-ai-plugin
    codex plugin add opennan@opennan
  4. O añade solo el servidor

    codex mcp add opennan --url https://api.opennan.com/v1/mcp --bearer-token-env-var OPENNAN_KEY
  5. O añade esto a ~/.codex/config.toml

    [mcp_servers.opennan]
    url = "https://api.opennan.com/v1/mcp"
    http_headers = { Authorization = "Bearer sk-..." }
  6. Comprueba que opennan aparece en la lista

    codex mcp list
  7. Reinicia Codex y pide lo que quieras

    “Haz un vídeo de 5 segundos de lluvia en una calle de neón, una canción que lo acompañe y una imagen de póster.”

Cambia sk-... por tu propia clave y mantenla en privado: quien la tenga puede gastar tu saldo. Tu app puede listar las herramientas sin clave; para crear algo necesitas una.

Úsalo desde un agente de IA

Añade el servidor MCP de Opennan a tu agente y llama a esta herramienta.

Herramienta
generate_concepts
Argumentos de ejemplo
{
  "script": "Leo, a cheerful young explorer in a green jacket with a big backpack, reaches a snowy log cabin at dusk after a long climb. Warm light glows in the windows. Inside he finds an old map pinned to the wall, showing a hidden lake beyond the mountains. At dawn he sets off again, map in hand.",
  "style": "warm 3D animation",
  "characters": [
    {
      "name": "Leo",
      "description": "a cheerful young explorer, green jacket, big backpack, brown hair"
    }
  ],
  "direction": "Keep it hopeful and gentle; end on the first view of the hidden lake."
}

Story concepts: preguntas

¿Cuánto cuesta Story concepts?

$0.2808 per run. The Run button shows the exact price for your input before you start.

¿Cómo lo llamo desde mi código?

Envía POST https://api.opennan.com/v1/story/concepts con tu clave de API. Responde con un id de tarea: consulta https://api.opennan.com/v1/tasks/{id} hasta que la tarea termine bien o falle.

¿Puede usarlo mi agente de IA?

Sí. Añade el servidor MCP https://api.opennan.com/v1/mcp y llama a la herramienta generate_concepts, o indícale a tu agente https://api.opennan.com/llms.txt.

¿Qué pasa si una ejecución falla?

Una ejecución fallida no se cobra. Solo pagas por resultados.

Which API key do I need?

A key with the api:opennan scope. A full api key does not include it: create one with that scope in the console, then use it here under Use API key or in your code.

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