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