# Sprint Mail Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Sprint Mail

Print and mail US letters by USPS First-Class from Muse, with tracking.

- Record: https://musedirectory.ai/connector/sprint-mail
- Category: Productivity
- Developer: Sprint Mail (https://sprintmail.io/mcp/)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 165ms, checked 2026-11-04T20:11:33Z
- Endpoint: https://api-production.sprintmail.io/mcp
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-11-04T20:11:33Z)
- Source: Found in the official MCP Registry (io.sprintmail/mcp) https://registry.modelcontextprotocol.io/v0/servers?search=io.sprintmail%2Fmcp

Connects Muse to Sprint Mail to print and send US letters by USPS First-Class, with tracking. Sign-in is required to use the tools. Muse can send a letter through Sprint Mail and check its tracking status. No source repository is published.

Example request: "Mail this signed lease renewal to my tenant by First-Class mail and tell me when it's delivered."

How to connect: Sprint Mail is not in Muse's Connectors list yet, and it needs you to sign in with your Sprint Mail account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Screening checks:
- MCP handshake: pass (Requires sign-in (publishes OAuth metadata))
- Domain against threat feeds (Cloudflare security DNS): pass (api-production.sprintmail.io, sprintmail.io not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)