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