Free OCR & vision MCP server for any AI client, powered by GLM-4.6V-Flash (z.ai)
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# mcp-glm-ocr ```text _ _ __ ___ ___ _ __ __ _| |_ __ ___ ___ ___ _ __ | '_ ` _ \ / __| '_ \ _____ / _` | | '_ ` _ \ _____ / _ \ / __| '__| | | | | | | (__| |_) |_____| (_| | | | | | | |_____| (_) | (__| | |_| |_| |_|\___| .__/ \__, |_|_| |_| |_| \___/ \___|_| |_| |___/ ``` **Free OCR & vision for any AI coding client, powered by GLM-4.6V-Flash.** `mcp-glm-ocr` is an [MCP](https://modelcontextprotocol.io) server that gives OCR and image-understanding capabilities to AI clients that cannot process images themselves (Claude Code, Claude Desktop, Cursor, Cline, OpenCode, and any other MCP-compatible client). Under the hood it sends the image to [GLM-4.6V-Flash](https://docs.z.ai/guides/vlm/glm-4.6v), z.ai's vision-language model, which is **completely free** (input and output). The model reads the image and returns text, so your text-only client gets full vision capabilities at zero cost. > Why this exists: z.ai's official vision MCP server is exclusive to paid > GLM Coding Plan subscribers. This one works with a plain free z.ai account. ## Tools | Tool | Description | | --- | --- | | `ocr_image(image)` | Extract all text from an image (screenshots, photos, receipts, document pages). | | `describe_image(image)` | Detailed description of what an image shows. | | `analyze_image(image, prompt)` | Answer a custom question about an image (charts, tables, diagrams, UI screenshots, math...). | All tools accept: - a **local file path** (absolute, or relative to the client's working directory), e.g. `demo.png` - an **http(s) URL**, e.g. `https://example.com/photo.jpg` - a **`file://` URL** or a **`data:` URL** ## Requirements - Python 3.10+ (or just [`uv`](https://docs.astral.sh/uv/)) - A free z.ai API key ### Get a free API key 1. Go to <https://z.ai/model-api> and create an account (or log in). 2. Cr…
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