sora

sora

Sora Video Generation Skill

Creates or manages short video clips for the current project (product demos, marketing spots, cinematic shots, UI mocks). Defaults to sora-2 and a structured prompt augmentation workflow, and prefers the bundled CLI for deterministic runs. Note: $sora is a skill tag in prompts, not a shell command.

When to use

• Generate a new video clip from a prompt

• Remix an existing video by ID

• Poll status, list jobs, or download assets (video/thumbnail/spritesheet)

• Batch runs (many prompts or variants)

Decision tree (create vs remix vs status/download vs batch)

• If the user has a video id and wants a change → remix

• If the user has a video id and wants status or assets → status/poll/download

• If the user needs many prompts/assets → create-batch

• If the user asks for two versions with a small change (same shot, different subject/detail) → create the base, then remix for the variation

• Otherwise → create (or create-and-poll if they need a ready asset in one step)

Workflow

• Decide intent: create vs remix vs status/download vs batch.

• Collect inputs: prompt, model, size, seconds, and any input reference image.

• If batch: write a temporary JSONL under tmp/ (one job per line), run once, then delete the JSONL.

• Prefer CLI augmentation flags (--use-case, --scene, --camera, etc.) instead of pre-writing a structured prompt. If you already produced a structured prompt file, pass --no-augment to avoid double-wrapping.

• Run the bundled CLI (scripts/sora.py) with sensible defaults (see references/cli.md). For long prompts, prefer --prompt-file to avoid shell-escaping issues; pair with --no-augment if the prompt is already structured.

• For async jobs, poll until complete (or use create-and-poll).

• Download assets (video/thumbnail/spritesheet) and save locally.

• Remove intermediate files created during invocation (for example prompt.txt, remix_job.json, temp JSONL). If the sandbox blocks rm, skip cleanup or truncate the files without surfacing an error.

• Iterate with a single targeted change per prompt.

Authentication

• OPENAI_API_KEY must be set for live API calls.

If the key is missing, give the user these steps:

• Create an API key in the OpenAI platform UI: https://platform.openai.com/api-keys

• Set OPENAI_API_KEY as an environment variable in their system.

• Offer to guide them through setting the environment variable for their OS/shell if needed.

• Never ask the user to paste the full key in chat. Ask them to set it locally and confirm when ready.

Defaults & rules

• Default model: sora-2 (use sora-2-pro for higher fidelity).

• Default size: 1280x720.

• Default seconds: 4 (allowed: "4", "8", "12" as strings).

• Always set size and seconds via API params; prose will not change them.

• Use the OpenAI Python SDK (openai package); do not use raw HTTP.

• Require OPENAI_API_KEY before any live API call.

• If uv cache permissions fail, set UV_CACHE_DIR=/tmp/uv-cache.

• Input reference images must be jpg/png/webp and should match target size.

• Download URLs expire after about 1 hour; copy assets to your own storage.

• Prefer the bundled CLI and never modify scripts/sora.py unless the user asks.

• Sora can generate audio; if a user requests voiceover/audio, specify it explicitly in the Audio: and Dialogue: lines and keep it short.

API limitations

• Models are limited to sora-2 and sora-2-pro.

• API access to Sora models requires an organization-verified account.

• Duration is limited to 4/8/12 seconds and must be set via the seconds parameter.

• The API expects seconds as a string enum ("4", "8", "12").

• Output sizes are limited by model (see references/video-api.md for the supported sizes).

• Video creation is async; you must poll for completion before downloading.

• Rate limits apply by usage tier (do not list specific limits).

• Content restrictions are enforced by the API (see Guardrails below).

Guardrails (must enforce)

• Only content suitable for audiences under 18.

• No copyrighted characters or copyrighted music.

• No real people (including public figures).

• Input images with human faces are rejected.

Prompt augmentation

Reformat prompts into a structured, production-oriented spec. Only make implicit details explicit; do not invent new creative requirements.

Template (include only relevant lines):

Use case: <where the clip will be used>
Primary request: <user's main prompt>
Scene/background: <location, time of day, atmosphere>
Subject: <main subject>
Action: <single clear action>
Camera: <shot type, angle, motion>
Lighting/mood: <lighting + mood>
Color palette: <3-5 color anchors>
Style/format: <film/animation/format cues>
Timing/beats: <counts or beats>
Audio: <ambient cue / music / voiceover if requested>
Text (verbatim): "<exact text>"
Dialogue:
<dialogue>
- Speaker: "Short line."
</dialogue>
Constraints: <must keep/must avoid>
Avoid: <negative constraints>

Augmentation rules:

• Keep it short; add only details the user already implied or provided elsewhere.

• For remixes, explicitly list invariants ("same shot, change only X").

• If any critical detail is missing and blocks success, ask a question; otherwise proceed.

• If you pass a structured prompt file to the CLI, add --no-augment to avoid the tool re-wrapping it.

Examples

Generation example (single shot)

Use case: product teaser
Primary request: a close-up of a matte black camera on a pedestal
Action: slow 30-degree orbit over 4 seconds
Camera: 85mm, shallow depth of field, gentle handheld drift
Lighting/mood: soft key light, subtle rim, premium studio feel
Constraints: no logos, no text

Remix example (invariants)

Primary request: same shot and framing, switch palette to teal/sand/rust with warmer backlight
Constraints: keep the subject and camera move unchanged

Prompting best practices (short list)

• One main action + one camera move per shot.

• Use counts or beats for timing ("two steps, pause, turn").

• Keep text short and the camera locked-off for UI or on-screen text.

• Add a brief avoid line when artifacts appear (flicker, jitter, fast motion).

• Shorter prompts are more creative; longer prompts are more controlled.

• Put dialogue in a dedicated block; keep lines short for 4-8s clips.

• State invariants explicitly for remixes (same shot, same camera move).

• Iterate with single-change follow-ups to preserve continuity.

Guidance by asset type

Use these modules when the request is for a specific artifact. They provide targeted templates and defaults.

• Cinematic shots: references/cinematic-shots.md

• Social ads: references/social-ads.md

CLI + environment notes

• CLI commands + examples: references/cli.md

• API parameter quick reference: references/video-api.md

• Prompting guidance: references/prompting.md

• Sample prompts: references/sample-prompts.md

• Troubleshooting: references/troubleshooting.md

• Network/sandbox tips: references/codex-network.md

Reference map

• references/cli.md: how to run create/poll/remix/download/batch via scripts/sora.py.

• references/video-api.md: API-level knobs (models, sizes, duration, variants, status).

• references/prompting.md: prompt structure and iteration guidance.

• references/sample-prompts.md: copy/paste prompt recipes (examples only; no extra theory).

• references/cinematic-shots.md: templates for filmic shots.

• references/social-ads.md: templates for short social ad beats.

• references/troubleshooting.md: common errors and fixes.

• references/codex-network.md: network/approval troubleshooting.

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