Use Codex with Keystone Savings Bank
BankSync's MCP server can let Codex query supported Keystone Savings 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 Keystone Savings Bank or Codex. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Codex to Keystone Savings Bank
one key, every agent
Search for Keystone Savings Bank in BankSync
Sign up for BankSync and, if Keystone Savings 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 Keystone Savings Bank transactions, balances, and more using natural language.
Codex MCP Configuration
Add this configuration to let Codex query supported Keystone Savings 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 Keystone Savings Bank
Accounts
List the Keystone Savings Bank accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported Keystone Savings Bank transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported Keystone Savings Bank accounts.
Holdings
View supported investment positions, quantities, and market values from Keystone Savings Bank.
Trades
Access supported investment trade and activity history from Keystone Savings Bank.
Loans
Check supported loan balances and provider-supplied liability details from Keystone Savings Bank.
Ready to connect Codex to Keystone Savings Bank?
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Other banks you can use with Codex
Institutions in the same market that Codex can query through BankSync MCP.
- Use Franklin Savings Bank (ME) - Business with Codex🇺🇸 United States
- Use Elements Financial FCU with Codex🇺🇸 United States
- Use TrustCo Bank with Codex🇺🇸 United States
- Use American Community Bank & Trust - Commercial with Codex🇺🇸 United States
- Use Caltech Employees Federal Credit Union with Codex🇺🇸 United States
- Use Bangor Savings Bank - Employees with Codex🇺🇸 United States
- Use Wood County National Bank with Codex🇺🇸 United States
- Use Waukesha State Bank - Business with Codex🇺🇸 United States
BankSync is not affiliated with, endorsed by, or an official partner of Codex or Keystone Savings Bank. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.