BankSync's MCP server connects ChatGPT to Mainstreet, giving the AI direct read access to your real-time transactions, balances, and account data. Query your finances in natural language — no spreadsheets, no exports.
Sign up for BankSync and securely link your Mainstreet account through Plaid.
Create an API key from the Developers section of your BankSync workspace.
Add the BankSync MCP server to ChatGPT using your API key. Follow our ChatGPT setup guide for step-by-step instructions.
Ask ChatGPT about your Mainstreet transactions, balances, and more using natural language.
Add this configuration to connect ChatGPT to your Mainstreet data.
{
"mcpServers": {
"banksync": {
"url": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}Query Mainstreet transactions by date range with merchant details, amounts, and categories.
Get live current and available balances for all your Mainstreet accounts.
List all checking, savings, and investment accounts linked through Mainstreet.
View investment positions, quantities, and market values from Mainstreet brokerage accounts.
Access buy/sell/dividend transactions from your Mainstreet investment accounts.
Check outstanding balances, interest rates, and payment schedules for Mainstreet loans.
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
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