MCP server for UPS, FedEx, USPS, and DHL shipping rates
View on GitHub ↗A local MCP server for UPS, FedEx, USPS, and DHL rate quotes, backed by the ShippingRates NuGet package.
- One structured tool for multi-package quotes across every configured carrier. - UPS, FedEx (including optional SmartPost), USPS, and DHL configuration through environment variables. - Provider status and carrier-service discovery without revealing credentials. - Metric and US customary package inputs. - Native, self-contained Windows and macOS binaries.
The server retrieves rates only. It does not buy postage, create labels, book pickups, or track shipments.
Demo Mode: No carrier credentials yet? The server falls back to Pigeon Post: a fictional demo that geocodes cities or postcodes, measures the as-the-pigeon-flies distance, estimates the required flock, and quotes prices in Pigeon Coins.
The tap chooses the Intel or Apple-silicon binary automatically.
1. Download shippingrates-mcp-win-x64.zip or shippingrates-mcp-win-arm64.zip from the latest release. 2. Verify it against SHA256SUMS from the same release:
3. Extract shippingrates-mcp.exe to a stable folder such as %LOCALAPPDATA%\ShippingRatesMcp and run:
The binaries are currently unsigned. Download them only from this repository and verify the checksum.
The source build requires the .NET 10 SDK:
Run the executable with no arguments. It speaks MCP over stdin/stdout; seeing no interactive prompt is expected. Logs go to stderr.
The ChatGPT desktop app, Codex CLI, and Codex IDE extension share the same MCP configuration. The quickest setup is:
From the project README.
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