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


Search for CommBank in BankSync
Sign up for BankSync and, if CommBank 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 CommBank transactions, balances, and more using natural language.
Codex MCP Configuration
Add this configuration to let Codex query supported CommBank 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 CommBank
Accounts
List the CommBank accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported CommBank transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported CommBank accounts.
Ready to connect Codex to CommBank?
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Use CommBank with another agent
The same BankSync MCP server and API key work with every one of these.
Other banks you can use with Codex
Institutions in the same market that Codex can query through BankSync MCP.
- Use NATIONAL AUSTRALIA BANK with Codex🇦🇺 Australia
- Use Westpac with Codex🇦🇺 Australia
- Use Macquarie Bank Limited with Codex🇦🇺 Australia
- Use ANZ with Codex🇦🇺 Australia
- Use ING BANK (Australia) Ltd with Codex🇦🇺 Australia
- Use Up with Codex🇦🇺 Australia
- Use St.George Bank with Codex🇦🇺 Australia
- Use ANZ Plus with Codex🇦🇺 Australia
BankSync is not affiliated with, endorsed by, or an official partner of Codex or CommBank. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.