io.usefulapi/lob

up checked 2026-11-11T07:38:42.535Z

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Publisher-provided title

Lob MCP by usefulapi

Publisher-provided description

Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.

Summary by lookupd

Verify and standardize US and international addresses, save address records, and send, track, or cancel physical mail.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http lob https://lob.usefulapi.io/mcp

Codex, remote (streamable-http)

codex mcp add lob --url https://lob.usefulapi.io/mcp

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

{
  "mcpServers": {
    "lob": {
      "url": "https://lob.usefulapi.io/mcp"
    }
  }
}

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

Tools (18 tools)

Publisher-provided text

• lob_verify_us_address Validate & standardize a US address, returning deliverability, corrected components, and a confidence score. Pass either a single freeform `address` string OR s
• lob_verify_intl_address Validate & standardize a non-US address. `country` (2-letter ISO code) is required. Non-mutating (no mail sent). Lob API: POST /v1/intl_verifications.
• lob_us_zip_lookup Return the cities and state associated with a US ZIP code. Non-mutating. Lob API: POST /v1/us_zip_lookups.
• lob_us_autocomplete Suggest complete US addresses from a partial primary line — useful for address entry. Non-mutating. Lob API: POST /v1/us_autocompletions.
• lob_list_postcards List sent/scheduled postcards, newest first. Lob API: GET /v1/postcards.
• lob_get_postcard Retrieve a single postcard by id, including status, PDF url, and expected delivery. Lob API: GET /v1/postcards/{id}.
• lob_list_letters List sent/scheduled letters, newest first. Lob API: GET /v1/letters.
• lob_get_letter Retrieve a single letter by id, including status, PDF url, and tracking. Lob API: GET /v1/letters/{id}.
• lob_list_checks List sent/scheduled checks, newest first. Lob API: GET /v1/checks.
• lob_get_check Retrieve a single check by id, including amount, status, and check number. Lob API: GET /v1/checks/{id}.
• lob_list_self_mailers List sent/scheduled self-mailers, newest first. Lob API: GET /v1/self_mailers.
• lob_list_addresses List saved address records, newest first. Lob API: GET /v1/addresses.
• lob_get_address Retrieve a single saved address record by id. Lob API: GET /v1/addresses/{id}.
• lob_list_templates List saved HTML templates usable as postcard/letter artwork. Lob API: GET /v1/templates.
• lob_create_address Create a reusable saved address record (does NOT send any mail). Returns an address id (adr_…) usable as `to`/`from` in mail tools. Lob API: POST /v1/addresses.
• lob_create_postcard ⚠️ SENDS A REAL POSTCARD and charges your Lob account (use a test_ key to avoid real mail/charges). `to` and `from` accept an existing address id (adr_…) or an
• lob_create_letter ⚠️ SENDS A REAL LETTER and charges your Lob account (use a test_ key to avoid real mail/charges). `to`/`from` accept an address id (adr_…) or inline object. `fi
• lob_cancel_postcard Cancel a postcard before its send_date so it is never mailed (and not billed). Fails if the send window has passed. Lob API: DELETE /v1/postcards/{id}.

Details

• Version: 1.38.3
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 437 ms
• First indexed: 2026-11-01T10:05:15.240Z
• Last seen in registry: 2026-11-11T00:17:29.252Z
• Repository: https://github.com/m190/usefulapi-mcp
• Website: https://usefulapi.io/lob/

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