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Install in OpenClaw
/install video-caption
Description
add video clips into captioned videos with this skill. Works with MP4, MOV, AVI, WebM files up to 500MB. YouTubers and content creators use it for adding sub...
Usage Guidance
This skill appears to do what it says: it uploads video files to mega-api-prod.nemovideo.ai and uses a NEMO_TOKEN to authenticate (or obtains a short-lived anonymous token). Before installing/using: 1) Confirm you are comfortable uploading your video content to that external domain and review the provider's privacy/data-retention policy (no homepage was provided). 2) Prefer using a scoped token or the anonymous token flow for non-sensitive content rather than a long-lived secret in your environment. 3) Ask the publisher to clarify where session_id and tokens are stored (memory vs disk) and whether ~/.config/nemovideo/ is actually used (registry metadata omitted it). 4) Be aware the agent may read local file paths to attach uploads and may try to detect the install path—ensure the agent only accesses files you explicitly upload. If any of these points are unacceptable or unclear, request more details from the skill author before enabling it.
Capability Analysis
Type: OpenClaw Skill
Name: video-caption
Version: 1.0.0
The skill instructions in SKILL.md direct the agent to upload user video files to an external third-party API (mega-api-prod.nemovideo.ai) and to 'auto-detect' its installation path for telemetry purposes. While these actions support the stated goal of cloud-based video captioning, the automated transmission of local data to a remote endpoint and the requirement for environment inspection constitute high-risk behaviors. No evidence of clear malicious intent or unauthorized credential theft was identified, but the reliance on external processing of local files is a significant risk surface.
Capability Assessment
Purpose & Capability
Name/description match the behavior in SKILL.md: it uploads video files, requests a session token, and calls a remote render API. The required primary env var (NEMO_TOKEN) is appropriate for authenticating to the stated service.
Instruction Scope
Instructions direct the agent to POST to mega-api-prod.nemovideo.ai, create an anonymous token if NEMO_TOKEN is absent, upload local files via multipart form (files=@/path), and save session_id. Uploading local video files is expected for the feature, but users should understand videos and metadata will be transmitted to the external service. The SKILL.md also asks the agent to 'auto-detect' platform from an install path — that implies file-system/agent-path access which is out-of-band for a pure UI action and could be clarified.
Install Mechanism
This is an instruction-only skill with no install spec and no binaries to download, which minimizes installation risk.
Credentials
Only NEMO_TOKEN is declared as required, which aligns with the API auth model. The SKILL.md frontmatter also references a config path (~/.config/nemovideo/) that could be used to locate local config—this is not declared in the registry metadata and is a minor inconsistency to clarify. No unrelated secrets or broad system credentials are requested.
Persistence & Privilege
always is false and the skill does not request system-wide or cross-skill modifications. It does instruct the agent to 'save session_id' (presumably in memory/session), which is normal for API sessions; the storage location and lifetime are not specified and should be clarified.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install video-caption - After installation, invoke the skill by name or use
/video-caption - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
video-caption 1.0.0
- Initial release for video-to-caption workflow via cloud GPU.
- Supports MP4, MOV, AVI, WebM uploads up to 500MB.
- Automatic subtitle generation, dual-language support, and cloud rendering to 1080p MP4.
- Full workflow: upload, edit, view credits, track status, and export—all handled via intuitive commands.
- Anonymous usage enabled with free token; seamless session and export management.
- Detailed error handling and real-time progress updates.
Metadata
Frequently Asked Questions
What is Video Caption?
add video clips into captioned videos with this skill. Works with MP4, MOV, AVI, WebM files up to 500MB. YouTubers and content creators use it for adding sub... It is an AI Agent Skill for Claude Code / OpenClaw, with 74 downloads so far.
How do I install Video Caption?
Run "/install video-caption" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Video Caption free?
Yes, Video Caption is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Video Caption support?
Video Caption is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Video Caption?
It is built and maintained by mory128 (@mory128); the current version is v1.0.0.
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