PicGo MCP Server

A Model Context Protocol (MCP) server for PicGo image upload functionality. This MCP allows you to upload images through PicGo and get their URLs directly from your opencode environment.

Features

• 📤 Upload single images using PicGo
• 📦 Upload multiple images in batch
• ⚙️ View current PicGo configuration
• 🔧 Configurable PicGo executable path

Prerequisites

• Node.js (v16 or higher)
• PicGo installed and configured
• opencode with MCP support

Installation

1. Clone or download this repository:

git clone <repository-url>
cd picgo-mcp

2. Run the installation script:

./install.sh

Or manually:

npm install
npm run build

3. Configure PicGo if you haven't already:

# Install an uploader (example: qiniu)
picgo install qiniu

# Configure your uploader
picgo config set uploader qiniu

Configuration

The MCP server will look for PicGo executable in this order:

1. ~/.picgo-mcp.json (custom configuration)
2. Common locations (/usr/local/bin/picgo, /usr/bin/picgo, etc.)
3. System PATH

Custom Configuration

Create or edit ~/.picgo-mcp.json:

{
  "executablePath": "/path/to/your/picgo"
}

The installation script creates a default config file that you can modify.

Usage with opencode

Add this MCP to your opencode configuration:

{
  "mcpServers": {
    "picgo": {
      "command": "/path/to/picgo-mcp/dist/index.js"
    }
  }
}

Available Tools

upload_image

Upload a single image file.

Parameters:

• image_path (string, required): Path to the image file to upload

Returns:

• success (boolean): Upload status
• url (string): Uploaded image URL
• imagePath (string): Absolute path of uploaded image

upload_images

Upload multiple image files.

Parameters:

• image_paths (array of strings, required): Array of image file paths

Returns:

• success (boolean): Overall operation status
• results (array): Results for each image
• totalUploaded (number): Count of successful uploads
• totalFailed (number): Count of failed uploads

get_picgo_config

Get current PicGo configuration.

Returns:

• success (boolean): Operation status
• config (object): PicGo configuration
• picGoPath (string): PicGo executable path being used

Example Usage

Once configured with opencode, you can use the tools like:

Upload image: /path/to/image.jpg

The MCP will handle the PicGo upload process and return the image URL.

Troubleshooting

PicGo not found

• Ensure PicGo is installed: npm install -g picgo
• Check the executable path in ~/.picgo-mcp.json
• Make sure the path is correct and executable

Upload fails

• Verify PicGo configuration: picgo config get
• Check your uploader settings
• Ensure the image file exists and is readable

Permission errors

• Make sure the PicGo executable has execution permissions
• Check file permissions for the images you're uploading

Development

# Development mode with auto-rebuild
npm run dev

# Build once
npm run build

# Start the built server
npm start

License

MIT License