runway-core-workflow-b
Runway core workflow b — AI video generation and creative AI platform. Use when working with Runway for video generation, image editing, or creative AI. Trigger with phrases like "runway core workflow b", "runway-core-workflow-b", "AI video generation".
Best use case
runway-core-workflow-b is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Runway core workflow b — AI video generation and creative AI platform. Use when working with Runway for video generation, image editing, or creative AI. Trigger with phrases like "runway core workflow b", "runway-core-workflow-b", "AI video generation".
Teams using runway-core-workflow-b should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/runway-core-workflow-b/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How runway-core-workflow-b Compares
| Feature / Agent | runway-core-workflow-b | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Runway core workflow b — AI video generation and creative AI platform. Use when working with Runway for video generation, image editing, or creative AI. Trigger with phrases like "runway core workflow b", "runway-core-workflow-b", "AI video generation".
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
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SKILL.md Source
# Runway Core Workflow B
## Overview
Image-to-video and video-to-video generation: animate still images and transform existing videos.
## Prerequisites
- Completed `runway-core-workflow-a`
## Instructions
### Step 1: Image-to-Video
```python
from runwayml import RunwayML
client = RunwayML()
# Animate a still image
task = client.image_to_video.create(
model='gen3a_turbo',
prompt_image='https://your-cdn.com/landscape.jpg', # URL to source image
prompt_text='Camera slowly pans right revealing mountains, gentle wind in trees',
duration=5,
)
result = task.wait_for_task_output()
print(f"Animated video: {result.output[0]}")
```
### Step 2: Image-to-Video with Data URI
```python
import base64
# Load local image as data URI
with open('photo.jpg', 'rb') as f:
image_data = base64.b64encode(f.read()).decode()
data_uri = f"data:image/jpeg;base64,{image_data}"
task = client.image_to_video.create(
model='gen3a_turbo',
prompt_image=data_uri,
prompt_text='Subtle motion, gentle camera push in, atmospheric lighting',
duration=5,
)
```
### Step 3: Video-to-Video (Style Transfer)
```python
# Transform an existing video with a new style
task = client.video_to_video.create(
model='gen3a_turbo',
prompt_video='https://your-cdn.com/input-video.mp4',
prompt_text='Transform to watercolor painting style, soft colors, artistic brushstrokes',
)
result = task.wait_for_task_output()
print(f"Styled video: {result.output[0]}")
```
### Step 4: Image Specifications
```text
Supported formats: JPEG, PNG, WebP
Supported resolutions:
- Gen-3 Alpha Turbo: 1280x768 or 768x1280
- Input images are automatically resized
Max file size: 16MB (URL), varies for data URI
```
## Output
- Still images animated with motion prompts
- Local images encoded as data URIs
- Videos restyled with text prompts
- Proper image format handling
## Error Handling
| Error | Cause | Solution |
|-------|-------|----------|
| `400 Invalid image` | Unsupported format | Use JPEG, PNG, or WebP |
| `413 Image too large` | File exceeds limit | Resize to under 16MB |
| Poor animation quality | Prompt doesn't describe motion | Add camera/motion keywords |
| Style transfer too subtle | Weak prompt | Be more specific about target style |
## Resources
- [Runway API Reference](https://docs.dev.runwayml.com/api/)
- [Input Parameters](https://docs.dev.runwayml.com/assets/inputs/)
- [SDKs](https://docs.dev.runwayml.com/api-details/sdks/)
## Next Steps
Error handling: `runway-common-errors`Related Skills
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