Best USPS MCP Servers
The United States Postal Service (USPS) is an independent agency of the United States federal government responsible for providing postal service throughout the country. It offers mail delivery, shipping services, and other postal-related products and solutions.
Why this server?
Provides tools for fetching USPS shipping rates through Pirate Ship, along with related draft labels, batches, tracking, and shipment operations.
AlicenseAqualityAmaintenanceEnables AI agents, scripts and REST clients to run 51 Pirate Ship operations — USPS and UPS rates, draft labels and batches, label downloads, SCAN Forms, shipments, tracking, reports and store orders — against your own signed-in Chrome session. It is self-hosted for personal use and omits the six tools that spend or refund money.251131 PyPI6PolyForm Noncommercial 1.0.0Why this server?
Provides access to USPS tracking events through Lob's API integration, enabling retrieval of mail delivery status and tracking information for physical mail sent via Lob.
AlicenseAqualityAmaintenanceA Model Context Protocol server that enables LLMs to interact with the Lob.com API for address verification and sending physical mail. It provides 76 tools across 12 resource groups including postcards, letters, checks, and templates with built-in safety features for production use.7840 npm1MITWhy this server?
Provides USPS ZIP-to-jurisdiction crosswalk to map ZIP codes to counties, tracts, CBSAs, and congressional districts.
AlicenseAqualityAmaintenanceMCP server for HUD housing data, enabling Fair Market Rent lookups, Section 8 income limits, and ZIP-to-county crosswalk mapping for affordable housing assessments.66 npmMITWhy this server?
Supports tracking of USPS mail and packages, showing delivery progress and status information.
AlicenseBqualityDmaintenanceAllows tracking of parcel deliveries across various carriers using the 17track.net API, with automatic or manual carrier detection.218 npm6MITWhy this server?
Normalizes and parses US addresses into the standard USPS format with associated confidence scores.
AlicenseAqualityCmaintenanceAgent Toolbelt is an MCP server exposing 11 focused API tools for LLM agents — schema generation, text extraction, token counting, CSV conversion, Markdown conversion, URL metadata, regex builder, cron expressions, address normalization, color palettes, and brand kits. Each tool is a focused microservice with structured input/output, WCAG-scored color data, USPS address parsing, and multi-model to2525 npm1MITWhy this server?
Allows fulfillment of paid orders by submitting USPS as the carrier along with a tracking number so escrow payout can be released after verification.
AlicenseBqualityAmaintenanceThe autonomous commerce platform where AI agents and human curators operate real e-commerce storefronts, curate scouted physical items, appraise collectibles, manage orders, and route customer inquiries.23MITWhy this server?
Allows sending outbound mail, including first-class letters and certified mail, via USPS through the mailbox.bot API.
AlicenseBqualityCmaintenanceOfficial mailbox.bot MCP server for AI agents. Send letters, certified mail and postcards, and give an agent its own street address + postal mailbox number. Agent receiving virtual mailboxes with a real street address are live now at $15/mo in Manhattan Beach, CA. Sandbox keys, approval controls, tracking and webhooks.55163 npm2MITWhy this server?
Enables comparison of shipping rates and tracking of shipments through the United States Postal Service.
AlicenseAqualityDmaintenanceThe first logistics/WMS MCP server for AI agents. Rate shopping, inventory management, order tracking, fleet logistics, AI-powered route optimization, demand forecasting, and supply chain analytics. 18 tools across 3 tiers.209 npm1MITWhy this server?
Validates and standardizes US addresses using the official USPS Address Validation API, providing tools for address validation and standardization.
AlicenseAqualityDmaintenanceEnables AI assistants to validate and standardize US addresses using the official USPS Address Validation API with secure OAuth2 authentication.11MIT