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Create AI-powered social media content for TikTok, Instagram, YouTube, Twitter/X. Generate: images, videos, reels, shorts, thumbnails, captions, hashtags. Tools: FLUX, Veo, Seedance, Wan, Kokoro TTS, Claude for copywriting.
Passed 22 of 23 test cases with the skill, and 4 of 23 without it.
and 25 more in the full report
19 fixed3 passed either way0 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 19 test cases the skill fixed. Same model, same prompt, with and without the skill.
I need a terminal command to auto-generate an Instagram caption with 10 hashtags for a sunset photo. Base models often suggest running 'belt ai text' or calling OpenAI API directly. Which lightweight Claude model app on inference.sh should be called with 'belt app run', and what input key does it use?
| Checked | Without skill | With skill |
|---|---|---|
| uses belt app run with openrouter/claude-haiku-45 | Missed | Passed |
| wraps prompt parameters in JSON format inside the --input flag | Missed | Passed |
The instructions your model reads when the skill loads.
Install the belt CLI skill:
npx skills add belt-sh/cli
Create social media content for all platforms via inference.sh CLI.
Requires inference.sh CLI (
belt). Install instructions
belt login
# Generate a TikTok-style video
belt app run google/veo-3-1-fast --input '{
"prompt": "POV walking through a neon-lit Tokyo street at night, vertical format 9:16, cinematic"
}'
| Platform | Aspect Ratio | Duration | Resolution |
|---|---|---|---|
| TikTok | 9:16 vertical | 15-60s | 1080x1920 |
| Instagram Reels | 9:16 vertical | 15-90s | 1080x1920 |
| Instagram Feed | 1:1 or 4:5 | - | 1080x1080 |
| YouTube Shorts | 9:16 vertical | <60s | 1080x1920 |
| YouTube Thumbnail | 16:9 | - | 1280x720 |
| Twitter/X | 16:9 or 1:1 | <140s | 1920x1080 |
# Generate trending-style content
belt app run google/veo-3-1-fast --input '{
test cases passed, vs 4 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.