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How to connect Claude (and other AI apps) to the Public hosted MCP server

✓ Written from official docs · checked 2026-10-16

Public hosts its MCP server at https://mcp.public.com/mcp with OAuth sign-in. These steps come from Public's Claude & Claude Code guide and hosted MCP overview.

Claude on web and desktop

Settings → Connectors → + → Add custom connector, and name it.
Paste https://mcp.public.com/mcp into the Remote MCP server URL field and click Add.
Click Connect and complete the authorization flow in your browser.

On Claude iOS, do the same under Settings → Connectors.

Claude Code

In claude.ai or Claude Desktop, go to Settings → Connectors, find Public, click Add and sign in.
Run claude in a terminal, signed in to the same Claude account.
Type /mcp and select Public. If it shows as not authenticated, choose Connect.
Verify: ask Claude Code to list your Public accounts.

Other documented clients

Public also documents ChatGPT and Codex, Meta Muse (API key), Perplexity (built-in connector) and Grok (custom connector or Agent Skill). See the overview.

Safety

Public warns that any trade placed through an MCP client is a real order with real money.
Review the preflight details carefully before confirming.

Source: https://public.com/api/docs/templates/claude. Not financial advice.

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