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tk8544-b

Animation Video

by tk8544-b · GitHub ↗ · v1.0.0 · MIT-0
cross-platform ✓ Security Clean
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Install in OpenClaw
/install animation-video
Description
Skip the learning curve of professional editing software. Describe what you want — turn my script into an animated explainer video with characters and backgr...
README (SKILL.md)

Getting Started

Got images or script to work with? Send it over and tell me what you need — I'll take care of the AI animation creation.

Try saying:

  • "create a 10-slide storyboard with scene descriptions into a 1080p MP4"
  • "turn my script into an animated explainer video with characters and background music"
  • "generating animated explainer videos from scripts or images for marketers, educators, content creators"

Automatic Setup

On first interaction, connect to the processing API before doing anything else. Show a brief status like "Setting things up...".

Token: If NEMO_TOKEN environment variable is already set, use it and skip to Session below.

Free token: Generate a UUID as client identifier, then POST to https://mega-api-prod.nemovideo.ai/api/auth/anonymous-token with header X-Client-Id: \x3Cuuid>. The response field data.token becomes your NEMO_TOKEN (100 credits, 7-day expiry).

Session: POST to https://mega-api-prod.nemovideo.ai/api/tasks/me/with-session/nemo_agent with Bearer auth and body {"task_name":"project"}. Save session_id from the response.

Confirm to the user you're connected and ready. Don't print tokens or raw JSON.

Animation Video — Create Animated Videos from Scripts

This tool takes your images or script and runs AI animation creation through a cloud rendering pipeline. You upload, describe what you want, and download the result.

Say you have a 10-slide storyboard with scene descriptions and want to turn my script into an animated explainer video with characters and background music — the backend processes it in about 1-3 minutes and hands you a 1080p MP4.

Tip: shorter scripts with clear scene breaks produce more accurate animations.

Matching Input to Actions

User prompts referencing animation video, aspect ratio, text overlays, or audio tracks get routed to the corresponding action via keyword and intent classification.

User says... Action Skip SSE?
"export" / "导出" / "download" / "send me the video" → §3.5 Export
"credits" / "积分" / "balance" / "余额" → §3.3 Credits
"status" / "状态" / "show tracks" → §3.4 State
"upload" / "上传" / user sends file → §3.2 Upload
Everything else (generate, edit, add BGM…) → §3.1 SSE

Cloud Render Pipeline Details

Each export job queues on a cloud GPU node that composites video layers, applies platform-spec compression (H.264, up to 1080x1920), and returns a download URL within 30-90 seconds. The session token carries render job IDs, so closing the tab before completion orphans the job.

All calls go to https://mega-api-prod.nemovideo.ai. The main endpoints:

  1. SessionPOST /api/tasks/me/with-session/nemo_agent with {"task_name":"project","language":"\x3Clang>"}. Gives you a session_id.
  2. Chat (SSE)POST /run_sse with session_id and your message in new_message.parts[0].text. Set Accept: text/event-stream. Up to 15 min.
  3. UploadPOST /api/upload-video/nemo_agent/me/\x3Csid> — multipart file or JSON with URLs.
  4. CreditsGET /api/credits/balance/simple — returns available, frozen, total.
  5. StateGET /api/state/nemo_agent/me/\x3Csid>/latest — current draft and media info.
  6. ExportPOST /api/render/proxy/lambda with render ID and draft JSON. Poll GET /api/render/proxy/lambda/\x3Cid> every 30s for completed status and download URL.

Formats: mp4, mov, avi, webm, mkv, jpg, png, gif, webp, mp3, wav, m4a, aac.

Three attribution headers are required on every request and must match this file's frontmatter:

Header Value
X-Skill-Source animation-video
X-Skill-Version frontmatter version
X-Skill-Platform auto-detect: clawhub / cursor / unknown from install path

Include Authorization: Bearer \x3CNEMO_TOKEN> and all attribution headers on every request — omitting them triggers a 402 on export.

Draft JSON uses short keys: t for tracks, tt for track type (0=video, 1=audio, 7=text), sg for segments, d for duration in ms, m for metadata.

Example timeline summary:

Timeline (3 tracks): 1. Video: city timelapse (0-10s) 2. BGM: Lo-fi (0-10s, 35%) 3. Title: "Urban Dreams" (0-3s)

Backend Response Translation

The backend assumes a GUI exists. Translate these into API actions:

Backend says You do
"click [button]" / "点击" Execute via API
"open [panel]" / "打开" Query session state
"drag/drop" / "拖拽" Send edit via SSE
"preview in timeline" Show track summary
"Export button" / "导出" Execute export workflow

SSE Event Handling

Event Action
Text response Apply GUI translation (§4), present to user
Tool call/result Process internally, don't forward
heartbeat / empty data: Keep waiting. Every 2 min: "⏳ Still working..."
Stream closes Process final response

~30% of editing operations return no text in the SSE stream. When this happens: poll session state to verify the edit was applied, then summarize changes to the user.

Error Codes

  • 0 — success, continue normally
  • 1001 — token expired or invalid; re-acquire via /api/auth/anonymous-token
  • 1002 — session not found; create a new one
  • 2001 — out of credits; anonymous users get a registration link with ?bind=\x3Cid>, registered users top up
  • 4001 — unsupported file type; show accepted formats
  • 4002 — file too large; suggest compressing or trimming
  • 400 — missing X-Client-Id; generate one and retry
  • 402 — free plan export blocked; not a credit issue, subscription tier
  • 429 — rate limited; wait 30s and retry once

Tips and Tricks

The backend processes faster when you're specific. Instead of "make it look better", try "turn my script into an animated explainer video with characters and background music" — concrete instructions get better results.

Max file size is 500MB. Stick to MP4, MOV, PNG, JPG for the smoothest experience.

Export as MP4 for widest compatibility across platforms and devices.

Common Workflows

Quick edit: Upload → "turn my script into an animated explainer video with characters and background music" → Download MP4. Takes 1-3 minutes for a 30-second clip.

Batch style: Upload multiple files in one session. Process them one by one with different instructions. Each gets its own render.

Iterative: Start with a rough cut, preview the result, then refine. The session keeps your timeline state so you can keep tweaking.

Usage Guidance
This skill will upload your scripts, images, and video files to a third‑party API (mega-api-prod.nemovideo.ai) and requires a service token (NEMO_TOKEN). Before installing: 1) avoid uploading sensitive or confidential media to this skill unless you trust the provider; 2) prefer using an ephemeral or limited-scope token (or use the anonymous 7-day token flow) rather than long-lived credentials; 3) check where the agent will persist session/token data (the skill references ~/.config/nemovideo/) and how to delete/revoke it; 4) review the provider's privacy/terms and any billing/credits implications; 5) be aware the agent will make outbound network calls and can upload files autonomously when invoked. If any of these are unacceptable, do not install or supply your primary credentials.
Capability Analysis
Type: OpenClaw Skill Name: animation-video Version: 1.0.0 The skill is a legitimate integration for an AI video generation service (nemovideo.ai). It facilitates video creation by managing API sessions, file uploads, and rendering tasks through the 'mega-api-prod.nemovideo.ai' backend. The instructions in SKILL.md are consistent with the stated purpose, providing clear guidance on authentication (via NEMO_TOKEN or anonymous UUID), error handling, and SSE stream processing without any evidence of data exfiltration, malicious execution, or harmful prompt injection.
Capability Assessment
Purpose & Capability
Name/description (create animated explainer videos) align with requested credential (NEMO_TOKEN), endpoints, and upload/export workflow. The listed config path (~/.config/nemovideo/) is plausible for caching session or token data and is not disproportionate to the service.
Instruction Scope
SKILL.md directs the agent to obtain or use a bearer token, create a session, upload user media (up to 500MB), stream SSE chat edits, poll export status, and include attribution headers on every request — all expected for a cloud render API. Note: it will transmit user files and script text to an external domain (mega-api-prod.nemovideo.ai). The instructions instruct saving session_id but do not strictly specify where; policy for storing tokens/session state should be considered.
Install Mechanism
No install spec or code is present (instruction-only), so nothing is written to disk by an installer. This is the lowest install risk.
Credentials
Only one environment variable (NEMO_TOKEN) is required and declared as the primary credential, which is proportional for a third‑party API. The metadata's config path is plausible for caching; no unrelated credentials or broad secrets are requested.
Persistence & Privilege
Skill does not request always: true and uses normal autonomous invocation. The skill expects to save session_id and may persist tokens in the declared config path; this is reasonable for a session-based API but you should confirm where tokens/session data are stored and how to revoke them.
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install animation-video
  3. After installation, invoke the skill by name or use /animation-video
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
Animation Video Skill — Version 1.0.0 - Initial release: Instantly create animated videos from scripts or images with cloud AI processing. - Supports uploads up to 500MB (MP4, MOV, PNG, JPG) and returns 1080p MP4 exports in 1–3 minutes. - Automated free token handling and session management for easy setup. - Clear user workflows for uploading, editing, exporting, and managing credits. - Error codes and intelligent guidance for smoother editing and animation creation.
Metadata
Slug animation-video
Version 1.0.0
License MIT-0
All-time Installs 0
Active Installs 0
Total Versions 1
Frequently Asked Questions

What is Animation Video?

Skip the learning curve of professional editing software. Describe what you want — turn my script into an animated explainer video with characters and backgr... It is an AI Agent Skill for Claude Code / OpenClaw, with 88 downloads so far.

How do I install Animation Video?

Run "/install animation-video" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is Animation Video free?

Yes, Animation Video is completely free, licensed under MIT-0. You can download, install and use it at no cost.

Which platforms does Animation Video support?

Animation Video is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created Animation Video?

It is built and maintained by tk8544-b (@tk8544-b); the current version is v1.0.0.

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