Aries.
Connect an AI assistant to a US brokerage account.
Aries is a US brokerage. Its MCP connection lets a supported assistant, such as Perplexity, read account data and, with permission, place orders. Trading can lose money.
Getting started: Some setupNeeds an approved US brokerage account and a compatible assistant. Review connection permissions and order controls before using real money. Our setup guide, not a performance score.
Good for
Eligible US brokerage customers researching market or account information with an assistant.
Start with
An approved US brokerage account and a supported AI client. Available products, data and actions depend on account permissions and eligibility.
Cost
No platform fee. Eligible stock, ETF and equity/ETF-option trades have $0 commissions. Index options cost $0.55 per contract plus exchange and regulatory fees. Other fees and your assistant bill can apply.
Plans and limits explainedFree access, plans and limits.
- Free access not confirmed
- No platform fee or minimum opening deposit. This does not make trading or the AI connection free. A separate MCP access charge and its usage limits are Unknown.
- Trial not confirmed
- Unknown. No general trial or free AI trading allowance was verified. A promotional stock offer is not a recurring service allowance.
- Pay-as-you-go
- Eligible electronically placed US-listed stock, ETF, equity-option and ETF-option trades in self-directed individual brokerage accounts have $0 commissions. Index options cost $0.55 per contract, plus applicable exchange and regulatory fees.
- Extra costs & limits
- Other trading, account, service and applicable data costs can apply. Your AI assistant can have its own bill. Read the full fee schedule before use; no fixed monthly or annual MCP bill is confirmed. Money invested and potential losses are separate from service fees.
Prices in USD unless noted. Check the billing period; local prices, taxes and offers can differ.
More pricing sources
Pricing checked 22 Oct 2026.
Try something small.
- Read quotes and company financials
- Compare source material from earnings transcripts
- Review the actions your assistant may use
Getting started.
Read the official setup guide for your assistant. Check the account, permissions and order controls before connecting. Start with simulation; if that route or read-only permissions are unavailable, do not enable live trading just to try the connection.
Official connection guideA prompt asking for approval does not enforce a trading limit. Check the actual permissions. Current MCP simulation support, a general trial and any separate MCP access charge are Unknown. We have not opened an account or tested an order.
Checked 22 October 2026. Prices and access can change. Character art is our unofficial illustration.



