Connect Grok to Public.com and trade stocks, crypto, and options from your chat. Powered by the Public MCP server with OAuth sign-in, or the Public Agent Skill with your Public API key.
https://mcp.public.com/mcp.API key security
The Agent Skill connects with a Public API key instead of OAuth. Treat the key like a password: only paste it into tools you trust, and never share it publicly.
https://mcp.public.com/mcpOpen source on GitHub.
YOUR_API_KEY. How is my portfolio performing today?Once connected through the Public MCP server or the Agent Skill, Grok can retrieve market data, review your portfolio, and place orders from a conversation.
Research and trade stocks, ETFs, options, and crypto supported by Public.
Submit supported order types during the trading sessions available for each asset. Eligible equity orders can use extended hours.
Grok uses the accounts and trading permissions you authorize when you connect. Options strategies require the appropriate approval level.
View balances, positions, quotes, option chains, open orders, and transaction history; run preflight checks; and submit or cancel orders.
Use these examples after you connect your Public account.
Important
Placing a trade through Grok is a real order using real money in your Public account. Review all preflight details carefully before confirming.