RapidOCR Server

High-performance OCR MCP Server.

Features

• Multi-mode: MCP stdio, FastAPI HTTP, streamable-http
• Multi-input: Path, Base64, URL, File upload
• Batch OCR: Process multiple images in one request
• Output formats: Plain, JSON, Markdown, Structured
• Image preprocessing: Auto-enhance, rotate, binarize
• Security: Path whitelist, API key, CORS, audit logging
• Monitoring: Prometheus metrics, OpenTelemetry tracing
• Production-ready: Docker, CI/CD, tests

Quick Start

Global Installation

# Install globally with uvx (recommended)
uvx rapidocr-mcp

# Or install globally with pip
pip install rapidocr-mcp

Local Development

# Install dependencies
uv sync

# Run MCP server (stdio mode)
uv run rapidocr-mcp

# Run FastAPI server
uv run rapidocr-mcp --mode fastapi --port 8080

Configuration

Set environment variables with RAPIDOCR_ prefix:

export RAPIDOCR_LANG=ch
export RAPIDOCR_LOG_LEVEL=INFO
export RAPIDOCR_API_KEY=your-key

MCP Configuration

Available Tools

Tool	Description
ocr_by_path	OCR for local image file by path
ocr_by_content	OCR for Base64 encoded image
ocr_by_url	OCR for image from HTTP/HTTPS URL
ocr_batch	Batch OCR for multiple images

Claude Desktop

Add to your Claude Desktop config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "rapidocr": {
      "command": "uvx",
      "args": ["rapidocr-mcp"]
    }
  }
}

Or with local installation:

{
  "mcpServers": {
    "rapidocr": {
      "command": "uv",
      "args": ["--directory", "/path/to/rapidocr-mcp", "run", "rapidocr-mcp"]
    }
  }
}

Other MCP Clients

For other MCP clients that support stdio mode, configure the command as:

uvx rapidocr-mcp
# or
rapidocr-mcp

Docker

docker-compose -f docker/docker-compose.yml up

API Endpoints

• GET /health - Health check
• POST /ocr/path - OCR by file path
• POST /ocr/base64 - OCR by base64
• POST /ocr/url - OCR by URL
• POST /ocr/upload - OCR by file upload
• GET /metrics - Prometheus metrics

Sponsoring

If you find this project helpful, consider buying me a coffee!

License

MIT