com.postalref/postalref

up checked 2026-11-11T09:37:50.989Z

Unclaimed · Unverified

Publisher-provided title

postalref

Publisher-provided description

USPS package barcodes, service type codes and mailing terms, each cited to its USPS source.

Summary by lookupd

Decodes USPS package and letter barcodes, looks up postal codes and terms, compares document editions, and searches USPS documents with…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http postalref https://postalref.com/mcp

Codex, remote (streamable-http)

codex mcp add postalref --url https://postalref.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "postalref": {
      "url": "https://postalref.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

decode Read a package barcode or tracking number (IMpb), or a letter's or flat's Intelligent Mail barcode (IMb) from its digits or bars: its layout, each field's digit
lookup Look up a USPS code: its row as USPS prints it in the newest edition that lists it, the codes its cells name, the editions that list it and its history, each ro
diff What changed in a code table or document between two editions: each code added, removed or changed and each changed section, rated editorial, additive or breaki
search Search the codes, terms, banner texts, specs and documents postalref models, by one index: names and codes whose key is the query's first, then those that start
define What USPS means by a name or abbreviation: each registry entry it names, in the order search ranks them, with its kind and tier, the USPS words that define it a
read_source Read any document postalref holds page by page, as extracted, to quote it: a quote cites the revision's sha256, the PDF page and the words exactly. A text witho
search_documents Search every document on PostalPro by title and file name, with its page and newest file, and the product pages and downloads postalref holds by title. Each one
search_text Search the text of every document postalref holds, or of one, for the pages that say the words, best first: those that say them as a phrase, then by how much of

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