Mr. MarketDocs
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Quickstart

Connect your AI assistant to Mr. Market in three steps, then ask your first question.

You need a Mr. Market account that has joined the beta. If you don't have one yet, see access and invites.

1. Add Mr. Market to your assistant#

Every app takes the same address:

https://mrmarket.fyi/mcp

Pick your app for the exact steps:

Claudeclaude.ai and the desktop app: Settings → Connectors.Claude CodeOne terminal command, then /mcp.ChatGPTDeveloper mode → Create a connector.Codexcodex mcp add, then codex mcp login.CursorOne click, or mcp.json.VS CodeOne click, or .vscode/mcp.json.Other appsWindsurf, Zed, Gemini CLI, mcp-remote and any MCP client.

2. Sign in and allow#

Your app opens a Mr. Market page in the browser. Sign in with the account you use on https://mrmarket.fyi and choose Allow. The page names the app asking for access and where it will send you back.

The app gets its own read-only access for 90 days. You can see and disconnect it in Account.

3. Ask#

Start a new chat. Mentioning mr-market the first time helps the assistant pick the right tools:

Using mr-market, give me a snapshot of Costco with sources.

If your app asks permission to use a Mr. Market tool, allowing it is safe: every tool only reads.

Next#

  • Best practices: get cited, well-formatted answers and stay within the limits.
  • Skills: ready-made workflows such as an earnings preview or an ownership report.
  • Troubleshooting: if a step doesn't work.