Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add sideshowroberto/vfx-agent-toolkit --skill magnific-video-gengit clone --depth 1 https://github.com/sideshowroberto/vfx-agent-toolkitWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/sideshowroberto/vfx-agent-toolkit/magnific-video-gen)<a href="https://agentmods.dev/skills/sideshowroberto/vfx-agent-toolkit/magnific-video-gen"><img src="https://agentmods.dev/badge/skills/sideshowroberto/vfx-agent-toolkit/magnific-video-gen/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/sideshowroberto/vfx-agent-toolkit/magnific-video-gen"><img src="https://agentmods.dev/badge/skills/sideshowroberto/vfx-agent-toolkit/magnific-video-gen.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00063 | $0.02676 |
| Opus 5.5 | $0.00025 | $0.01070 |
| Sonnet 5.5 | $0.00013 | $0.00535 |
| Haiku 4.5 | $0.00006 | $0.00268 |
Grade A, and why
magnific-video-gen scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Magnific Video Generation Skill
Before Generating - Routing and Session Rules
- Routing check: on production jobs with ComfyUI API-node credits, video generation is usually cheaper via ComfyUI (
comfy generate --api-keyheadless, or the workflow UI) - Magnific video is for tests, personal work, or when its models/features are specifically wanted. Confirm the route if a production job is active. - Confirm the destination folder before generating (teams accumulate multiple similarly-named project folders). Never generate into the workspace root.
- On an auth/re-authorization error, stop - don't retry. Tell the user to run
/mcpto re-authenticate, then resume. Presigned upload URLs go stale across re-auth; re-request them. - Default audio OFF - audio generation costs significantly more; only enable when the user asks.
Skill Pairing - Seedance Prompt System
The seedance-20 skill ecosystem handles prompt writing and shot direction. Use it before generating via Magnific for better results.
| Goal | Use first |
|---|---|
| Vague idea, need creative direction | seedance-interview or seedance-interview-short |
| Write/improve a Seedance prompt | seedance-prompt or seedance-prompt-short |
| Camera move / shot language | seedance-camera |
| Remove generic AI filler from prompt | seedance-antislop |
| VFX effects in the video | seedance-vfx |
| Bad result, diagnosing | seedance-troubleshoot |
Workflow: Seedance skills -> polished prompt -> magnific-video-gen for MCP execution.
Mandatory First Step
Always call video_plan before video_generate. Skip only if the user explicitly says "just generate" or "one-shot".
video_plan returns: brief summary, open questions, recommended model slug, prompt draft, and multi-clip instructions for videos >15s.
video_plan(
prompt="raw user idea - pass verbatim",
aspectRatioHint="16:9",
durationHint=6,
styleHint="cinematic photorealistic",
referenceIdentifiers=["<creation_id>"] # if attaching refs
)
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- today First seen · 240 lines · 63 tokens per session scan A e0e67fed8161
magnific-video-gen is a skill published in the GitHub repository sideshowroberto/vfx-agent-toolkit (16 stars, last pushed 22d ago), licensed MIT. It adds 63 tokens to every session and 2,676 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-02.
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