MCP servers tagged usps

2 live MCP servers tagged "usps", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with usps.

live servers

avg trust

Karrio

Programmable Shipping APIs (self-hosted)

arbengine/mailbox-mcp

Physical mail API for AI agents. Send letters, certified mail, postcards, and batch mailings with cost previews, approval controls, tracking, and webhooks.