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