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The Quartermaster, in your assistant

Bring him into ChatGPT or Claude.

The same fitting and the same 53 graded makers, inside the assistant you already use. He asks like a tailor, prescribes from the ledger, and checks any price you paste. No brand pays for placement.

Connect

Two minutes, no account with us.

Claude

  1. Open Customize, then Connectors.
  2. Choose Add custom connector.
  3. Name it QuarterMaster, paste the address above, and choose no sign-in.
  4. In a chat, turn it on from the + menu under Connectors.

Works on Free, Pro and Max. On Team and Enterprise, an owner adds it once under Organization settings.

ChatGPT

  1. Open Settings, then Apps, then Advanced settings, and turn on developer mode.
  2. Back in Apps, choose Create.
  3. Paste the address above, choose no authentication, and scan the tools.

Developer mode is on Pro, Business, Enterprise and Edu plans today. A listing in the ChatGPT app directory is on its way for everyone else.

Claude Code and other agents

Any client that speaks the Model Context Protocol can use the address as a remote server over Streamable HTTP.

claude mcp add --transport http quartermaster https://quartermaster.style/api/mcp/

Then ask

Talk to him the way you would a tailor.

  • Dress me for a friend's wedding. Daytime, outdoors, $800, and I already own brown shoes.
  • Is a $199 pair of Allen Edmonds at Nordstrom Rack worth it? Compare-at $450.
  • Which boots are graded A or better, and what do they cost?
  • Look up Barbour. Is the Rack stock the real thing?

What he can do

Start a fitting
Start a guided menswear fitting with QuarterMaster.
Plan an outfit
Prescribe a complete men's outfit for an occasion within a budget.
Is this worth it?
Judge one piece of menswear before someone pays for it.
Look up a maker
Look up one maker in the QuarterMaster ledger: grade S to D and why, how it is built, where it is made, how its off-price stock behaves (mainline or made for outlets) and how to tell, full-price ranges, and what to check before buying.
List graded makers
List menswear makers graded in the QuarterMaster ledger, best first, optionally filtered by category, minimum grade, and how their off-price stock behaves.

What he won't do

  • Recommend a maker that is not in the ledger, or invent a grade or a price.
  • Take money from a brand for a place in an answer.
  • Know who you are. The service keeps no accounts and no history. We count which tool was used and for which occasion, never who asked.

Prefer the website? The same judgment runs the value desk.