# Shack

> Shack is an auction marketplace where people sell items from photos and bid on what others list. It has an iOS app, a website and a connector for AI agents.

- Website: https://www.shack.xyz
- Support: crew@shack.xyz
- Operator: Shack AG

## Use Shack from an AI agent

Shack offers a remote MCP server. A user connects it in their AI app and signs in with their Shack account (Apple or Google) on login.shack.xyz.

- MCP server: https://login.shack.xyz/mcp
- Authentication: OAuth 2.1 with PKCE
- Guide: https://www.shack.xyz/ai/

## Tools

- search_auctions: search running auctions. All filters are optional: text, category, condition, maximum price, sort order.
- list_my_auctions: the user's own drafts, live auctions and ended auctions.
- get_auction: details of one of the user's own auctions or drafts.
- create_draft: turn photos into a private auction draft.
- update_draft: change the title, start price, condition or delivery options of a draft.
- publish_draft: make a draft a live auction. Needs its own permission, which is off until the user turns it on.

## What agents can't do

Agents can't bid, buy, message other users, or see orders, addresses, contact details, payment details or Coins.

## Legal

- Terms of Service: https://www.shack.xyz/termsOfService/
- Privacy Policy: https://www.shack.xyz/privacyPolicy/