Use Codex with Maverick Bank
BankSync's MCP server can let Codex query supported Maverick Bank 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 Maverick Bank or Codex. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Codex to Maverick Bank


Search for Maverick Bank in BankSync
Sign up for BankSync and, if Maverick Bank 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 Codex
Add the BankSync MCP server to Codex using your API key. Follow our Codex setup guide for step-by-step instructions.
Start querying
Ask Codex about supported Maverick Bank transactions, balances, and more using natural language.
Codex MCP Configuration
Add this configuration to let Codex query supported Maverick Bank account data through BankSync.
[mcp_servers.banksync]
url = "https://mcp.banksync.io"
[mcp_servers.banksync.http_headers]
X-API-Key = "bsk_your_key_here"What Codex can access from Maverick Bank
Accounts
List the Maverick Bank accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported Maverick Bank transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported Maverick Bank accounts.
Holdings
View supported investment positions, quantities, and market values from Maverick Bank.
Trades
Access supported investment trade and activity history from Maverick Bank.
Loans
Check supported loan balances and provider-supplied liability details from Maverick Bank.
Ready to connect Codex to Maverick Bank?
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Use Maverick Bank 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 Codex
Institutions in the same market that Codex can query through BankSync MCP.
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BankSync is not affiliated with, endorsed by, or an official partner of Codex or Maverick Bank. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.