Use Mercury with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Bank smarter for your startup with FDIC-insured accounts, treasury management, and business banking built for tech companies.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 8 capabilities
The complete Mercury capability set.
These are the exact actions your AI can choose when you ask it to work with Mercury.
01-04
4 capabilities in this set.
Part of 8 available through Mercury.
- 01
Get account
Get details for a specific Mercury account
- 02
Get balance
Get account balance
- 03
List accounts
List Mercury bank accounts
- 04
List cards
List Mercury debit cards
05-08
4 capabilities in this set.
Part of 8 available through Mercury.
- 05
List customers
List invoicing customers
- 06
List invoices
List account receivable invoices
- 07
List recipients
List payment recipients
- 08
List transactions
List transactions for an account
Observed, not estimated
621ms average. Fast in production.
Mercury is checked daily against the live service.
- Fastest day
- 494ms
- Slowest day
- 813ms
- 14-day trend
- Slowing+17%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 8 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Mercury, so you can see the experience inside your AI.
It does not authenticate your account with Mercury. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Mercury Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_TBttHxDdlG6cItEXTY6m4MtRK9QjBfxJ0Q13Xbak/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Mercury capabilities are ready to use.
{
"mcpServers": {
"mercury-alternative-mcp": {
"url": "https://edge.vinkius.com/vk_preview_TBttHxDdlG6cItEXTY6m4MtRK9QjBfxJ0Q13Xbak/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Mercury owners ask.
- 01
Can I view balances and recent transactions?
Yes. You can query balances for all accounts and list recent incoming/outgoing transactions.
- 02
How does Mercury authentication work?
Mercury uses a Bearer token (API Token) against api.mercury.com/api/v1. Tokens must be generated with read-only scopes.
- 03
Can I initiate money transfers via the API?
The standard API token allows read-only access to balances and transactions for security reasons.
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