APC Overnight MCP
@catrinmdonnelly
About APC Overnight MCP
A production-ready MCP server that connects Claude, Cursor, Windsurf and any MCP-compatible AI directly to APC Overnight's New Horizon API v3. No middleware, no per-parcel fees, no data leaving your infrastructure.
Basic information
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"apc": {
"command": "npx",
"args": [
"-y",
"apc-mcp"
],
"env": {
"APC_USERNAME": "[email protected]",
"APC_PASSWORD": "your-apc-portal-password"
}
}
}
}Tools
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Overview
What is APC Overnight MCP?
A Model Context Protocol server that enables AI assistants like Claude, Cursor, or Windsurf to book, label, track, and cancel APC Overnight parcels via the APC Overnight New Horizon API v3. It's built for businesses and developers automating shipping operations.
How to use APC Overnight MCP?
Install globally with npm install -g apc-mcp or run with npx apc-mcp. Configure environment variables APC_USERNAME, APC_PASSWORD, and APC_BASE_URL (default production endpoint) in a .env file or your MCP client's config (see examples for Claude Desktop and Cursor). The server exposes six tools that the AI can invoke based on natural language prompts.
Key features of APC Overnight MCP
- Book, label, track, and cancel APC Overnight consignments.
- Batch‑book multiple shipments and merge labels into one PDF.
- Retrieve labels as PDF, ZPL (thermal printers), or PNG.
- List all supported APC services with ProductCodes.
- Automatic retry for label generation (up to ~15 seconds).
- Handles multi‑piece consignments with weight splitting.
Use cases of APC Overnight MCP
- Automate daily order fulfilment by booking shipments from ecommerce orders.
- Generate ZPL labels for thermal printers (Zebra, Rollo) without PDF conversion.
- Triage orders before cut‑off to select the fastest available service.
- Build bulk manifests from spreadsheets and group labels by depot.
- Compare APC and Royal Mail prices by pairing with a Royal Mail MCP.
FAQ from APC Overnight MCP
What credentials are needed?
Your APC Overnight account email and password, the same used to log into the APC portal. Set them as APC_USERNAME and APC_PASSWORD environment variables.
What label formats are supported?
PDF for standard printers, ZPL for Zebra or Rollo thermal printers, and PNG for on‑screen display. You specify the format when calling get_label.
Can I cancel a shipment after it has been collected?
No. cancel_shipment only works before the parcel is manifested (collected by APC). After collection, you must cancel via the APC portal.
Does APC Overnight MCP work with ChatGPT?
Not directly. It uses stdio transport, so it is compatible with Claude Desktop, Cursor, Windsurf, Claude Code, and Zed. ChatGPT and other remote‑only MCP clients require an HTTP transport, which is not yet implemented.
Where are shipping labels saved?
Labels are saved to ~/Downloads/parcel-toolkit/ by default. You can change this directory by setting the PARCEL_TOOLKIT_LABELS_DIR environment variable.
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