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zai-org/glm-skills/glmocr

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version: "1.0.0" name: glmocr description: Extract text from images using GLM-OCR API. Supports images and PDFs with high accuracy OCR, table recognition, formula extraction, and handwriting recognition. Use this skill whenever the user wants to extract text from images, perform OCR on pictures, scan documents, convert images to text, or process any image files to get their textual content. metadata: openclaw: requires: env:

ZHIPU_API_KEY
GLM_OCR_TIMEOUT

primaryEnv: ZHIPU_API_KEY emoji: "📄" homepage: https://github.com/zai-org/GLM-OCR/tree/main/skills/glmocr

GLM-OCR Text Extraction Skill

Extract text from images and PDFs using the GLM-OCR layout parsing API.

When to Use

Extract text from images (PNG, JPG, PDF)
Convert screenshots to text
Process scanned documents
OCR photos containing text (including handwritten text)
Recognize tables and formulas in documents
User mentions "OCR", "文字识别", "文档解析"

Key Features

Table recognition: Detects and converts tables to Markdown format
Formula extraction: LaTeX format output
Handwriting support: Strong recognition for handwritten text
Local file & URL: Supports both local files and remote URLs

Resource Links

Resource	Link
Get API Key	https://www.bigmodel.cn/usercenter/proj-mgmt/apikeys
GitHub	https://github.com/zai-org/GLM-OCR

Prerequisites

ZHIPU_API_KEY configured (see Setup below)

Security Notes

No runtime package installation is performed by the scripts.
OCR requests use the fixed official GLM endpoint and do not accept custom API URLs.
Only ZHIPU_API_KEY (and optional timeout) is read from environment variables.

⛔ MANDATORY RESTRICTIONS - DO NOT VIOLATE ⛔

ONLY use GLM-OCR API - Execute the script python scripts/glm_ocr_cli.py
NEVER parse documents directly - Do NOT try to extract text yourself
NEVER offer alternatives - Do NOT suggest "I can try to analyze it" or similar
IF API fails - Display the error message and STOP immediately
NO fallback methods - Do NOT attempt text extraction any other way

Setup

Get your API key: https://www.bigmodel.cn/usercenter/proj-mgmt/apikeys
Configure:

``bash python scripts/config_setup.py setup --api-key YOUR_KEY ``

How to Use

Extract from URL

bash

python scripts/glm_ocr_cli.py --file-url "URL provided by user"

Extract from Local File

bash

python scripts/glm_ocr_cli.py --file /path/to/image.jpg

Save result to file (recommended)

bash

python scripts/glm_ocr_cli.py --file-url "URL" --output result.json

CLI Reference

python {baseDir}/scripts/glm_ocr_cli.py (--file-url URL | --file PATH) [--output FILE] [--pretty]

Parameter	Required	Description
`--file-url`	One of	URL to image/PDF
`--file`	One of	Local file path to image/PDF
`--output`, `-o`	No	Save result JSON to file
`--pretty`	No	Pretty-print JSON output

Response Format

json

{
  "ok": true,
  "text": "# Extracted text in Markdown...",
  "layout_details": [[...]],
  "result": { "raw_api_response": "..." },
  "error": null,
  "source": "/path/to/file.jpg",
  "source_type": "file"
}

Key fields:

ok — whether extraction succeeded
text — extracted text in Markdown (use this for display)
layout_details — layout analysis details
result — raw API response
error — error details on failure

Error Handling

API key not configured:

Error: ZHIPU_API_KEY not configured. Get your API key at: https://www.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

Reference

references/output_schema.md — detailed output format specification

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