glmv-caption

Q: How do I install glmv-caption?

Run npx skills add https://modelscope.cn --skill glmv-caption in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/glmv-caption/ (personal) or .claude/skills/glmv-caption/ (project).

by modelscope.cnMedia & Creative

Generate captions (descriptions) for images, videos, and documents using ZhiPu GLM-V multimodal model series. Use this skill whenever the user wants to describe, caption, summarize, or interpret the content of images, videos, or files. Supports single/multiple inputs, URLs, local paths, and base64 (images only).

Installs: 299
Last 24h: —
Trending rank: —
Security: Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://modelscope.cn --skill glmv-caption

01
Install
Run the command in your project. The CLI asks which agents to install for.
02
Describe the task
Ask your agent for something this skill covers. It loads glmv-caption automatically when relevant.
03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

GLM-V Caption Skill

Generate captions for images, videos, and documents using the ZhiPu GLM-V multimodal model.

When to Use

Describe, caption, summarize, or interpret image/video/document content
User mentions "describe this image", "caption", "summarize this video", "图片描述", "视频摘要", "文档解读", "看图说话"
Extract visual or textual information from media files
Compare multiple images
User provides an image/video/file and asks what's in it

Supported Input Types

Type	Formats	Max Size	Max Count	Base64
Image	jpg, png, jpeg	5MB / 6000×6000px	50	✅
Video	mp4, mkv, mov	200MB	—	❌
File	pdf, docx, txt, xlsx, pptx, jsonl	—	50	❌

⚠️ file_url cannot mix with image_url or video_url in the same request. ⚠️ Videos and files only support URLs — local paths and base64 are NOT supported (images only).

Resource Links

Resource	Link
Get API Key	https://bigmodel.cn/usercenter/proj-mgmt/apikeys
API Docs	Chat Completions / 对话补全

Prerequisites

API Key Setup / API Key 配置（Required / 必需）

This script reads the key from the ZHIPU_API_KEY environment variable and shares it with other Zhipu skills. 脚本通过 ZHIPU_API_KEY 环境变量获取密钥，与其他智谱技能共用同一个 key。

Get Key / 获取 Key： Visit Zhipu Open Platform API Keys / 智谱开放平台 API Keys to create or copy your key.

Setup options / 配置方式（任选一种）：

OpenClaw config (recommended) / OpenClaw 配置（推荐）： Set in openclaw.json under skills.entries.glmv-caption.env:
```
"glmv-caption": { "enabled": true, "env": { "ZHIPU_API_KEY": "你的密钥" } }
```
Shell environment variable / Shell 环境变量： Add to ~/.zshrc:
```
export ZHIPU_API_KEY="你的密钥"
```
.env file / .env 文件： Create .env in this skill directory:
```
ZHIPU_API_KEY=你的密钥
```

⛔ MANDATORY RESTRICTIONS - DO NOT VIOLATE ⛔

ONLY use GLM-V API — Execute the script python scripts/glmv_caption.py
NEVER caption media yourself — Do NOT try to describe content using built-in vision or any other method
NEVER offer alternatives — Do NOT suggest "I can try to describe it" or similar
IF API fails — Display the error message and STOP immediately
NO fallback methods — Do NOT attempt captioning any other way

📋 Output Display Rules (MANDATORY)

After running the script, you must show the full raw output to the user exactly as returned. Do not summarize, truncate, or only say "generated". Users need the original model output to evaluate quality.

Image captioning: show the full caption text
Multiple images: show each image result
Video/files: show the full understanding result
If token usage is included, you may optionally display it

How to Use

Caption an Image

python scripts/glmv_caption.py --images "https://example.com/photo.jpg"
python scripts/glmv_caption.py --images /path/to/photo.png

Caption Multiple Images

python scripts/glmv_caption.py --images img1.jpg img2.png "https://example.com/img3.jpg"

Caption a Video

python scripts/glmv_caption.py --videos "https://example.com/clip.mp4"

Caption a Document

python scripts/glmv_caption.py --files "https://example.com/report.pdf"
python scripts/glmv_caption.py --files "https://example.com/doc1.docx" "https://example.com/doc2.txt"

Custom Prompt

python scripts/glmv_caption.py --images photo.jpg --prompt "Describe the architecture style in detail"

Save Result

python scripts/glmv_caption.py --images photo.jpg --output result.json

Thinking Mode

python scripts/glmv_caption.py --images photo.jpg --thinking

CLI Reference

python {baseDir}/scripts/glmv_caption.py (--images IMG [IMG...] | --videos VID [VID...] | --files FILE [FILE...]) [OPTIONS]

Parameter	Required	Description
`--images`, `-i`	One of	Image paths or URLs (supports multiple, base64 OK)
`--videos`, `-v`	One of	Video paths or URLs (supports multiple, mp4/mkv/mov)
`--files`, `-f`	One of	Document paths or URLs (supports multiple, pdf/docx/txt/xlsx/pptx/jsonl)
`--prompt`, `-p`	No	Custom prompt (default: "请详细描述这张图片的内容" / "Please describe this image in detail")
`--model`, `-m`	No	Model name (default: `glm-4.6v`)
`--temperature`, `-t`	No	Sampling temperature 0-1 (default: 0.8)
`--top-p`	No	Nucleus sampling 0.01-1.0 (default: 0.6)
`--max-tokens`	No	Max output tokens (default: 1024, max 32768)
`--thinking`	No	Enable thinking/reasoning mode
`--output`, `-o`	No	Save result JSON to file
`--pretty`	No	Pretty-print JSON output
`--stream`	No	Enable streaming output

Note: --images, --videos, and --files are mutually exclusive per API limits.

Response Format

{
  "success": true,
  "caption": "A landscape photo showing a mountain range at sunset...",
  "usage": {
    "prompt_tokens": 128,
    "completion_tokens": 256,
    "total_tokens": 384
  }
}

Key fields:

success — whether the request succeeded
caption — the generated caption text
usage — token usage statistics
warning — present when content was blocked by safety review
error — error details on failure

Error Handling

API key not configured:

ZHIPU_API_KEY not configured. Get your API key at: https://bigmodel.cn/usercenter/proj-mgmt/apikeys

→ Show exact error to user, guide them to configure

Authentication failed (401/403): API key invalid/expired → reconfigure

Rate limit (429): Quota exhausted → inform user to wait

File not found: Local file missing → check path

Content filtered: warning field present → content blocked by safety review

FAQ

What does the glmv-caption skill do?

How do I install glmv-caption?

Run npx skills add https://modelscope.cn --skill glmv-caption in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/glmv-caption/ (personal) or .claude/skills/glmv-caption/ (project).

Which AI agents can use glmv-caption?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is glmv-caption safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains glmv-caption?

It is published by modelscope.cn in modelscope.cn. It has 299 recorded installs.

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glmv-caption

Install

Install

Describe the task

Review the result

SKILL.md

GLM-V Caption Skill

When to Use

Supported Input Types

Resource Links

Prerequisites

API Key Setup / API Key 配置（Required / 必需）

📋 Output Display Rules (MANDATORY)

How to Use

Caption an Image

Caption Multiple Images

Caption a Video

Caption a Document

Custom Prompt

Save Result

Thinking Mode

CLI Reference

Response Format

Error Handling

FAQ

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