Use Gemini CLI with Capital One
BankSync's MCP server can let Gemini CLI query supported Capital One account data that you have connected through BankSync and authorized for API access. Query your finances in natural language without spreadsheets or exports.
BankSync is not affiliated with, endorsed by, sponsored by, or partnered with Capital One or Gemini CLI. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Gemini CLI to Capital One


Search for Capital One in BankSync
Sign up for BankSync and, if Capital One is available, link your account through a provider-hosted or bank-hosted authorization flow.
Generate an API key
Create an API key from the Developers section of your BankSync workspace.
Configure Gemini CLI
Add the BankSync MCP server to Gemini CLI using your API key. Follow our Gemini CLI setup guide for step-by-step instructions.
Start querying
Ask Gemini CLI about supported Capital One transactions, balances, and more using natural language.
Gemini CLI MCP Configuration
Add this configuration to let Gemini CLI query supported Capital One account data through BankSync.
{
"mcpServers": {
"banksync": {
"httpUrl": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}What Gemini CLI can access from Capital One
Accounts
List the Capital One accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported Capital One transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported Capital One accounts.
Holdings
View supported investment positions, quantities, and market values from Capital One.
Trades
Access supported investment trade and activity history from Capital One.
Loans
Check supported loan balances and provider-supplied liability details from Capital One.
Ready to connect Gemini CLI to Capital One?
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Use Capital One with another agent
The same BankSync MCP server and API key work with every one of these.
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Other banks you can use with Gemini CLI
Institutions in the same market that Gemini CLI can query through BankSync MCP.
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BankSync is not affiliated with, endorsed by, or an official partner of Gemini CLI or Capital One. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.