How to Use the Mercury MCP in Windsurf

Q: Can Windsurf use Mercury tools to move money?

No. This MCP Server is read-only. It provides data like getaccount and listinvoices but cannot initiate transfers or payments.

Use Mercury tools directly in Windsurf to manage your startup cash flow and transaction history without leaving your IDE.

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Connect Mercury MCP to Windsurf

Create your Vinkius account to connect Mercury to Windsurf and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Mercury with Windsurf

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Claude

Perplexity

Chain financial data in Windsurf

Cascade reads your codebase and pulls live data using `get_balance` or `list_transactions`. It chains these tools to reconcile your books while you code. Stop switching windows to check your cash position. The agent fetches what it needs and updates your logic in real-time.

Automate your Mercury account workflows

Give your agent a task like auditing recent payments. It will run `list_accounts` followed by `list_transactions` to build a full picture of your spending. Windsurf executes these steps autonomously. You just review the results once the agent finishes the sequence.

Manage recipients and cards

Quickly verify vendor details by calling `list_recipients` while you write payment integration code. It keeps your terminal clean of manual data entry. Use `list_cards` to audit company spend levels directly from your editor. The agent handles the lookup so you stay focused on shipping.

Setup guide

Set up Mercury MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the Mercury MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my Mercury payment history." If connected, Cascade will call the Mercury tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "mercury-alternative-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Mercury MCP in Windsurf

Open your Windsurf settings and locate the MCP Servers panel. Add the server configuration there, and your agent will pick up the tools immediately.

No. This MCP Server is read-only. It provides data like `get_account` and `list_invoices` but cannot initiate transfers or payments.

Yes. You can have Windsurf pull your full transaction history using `list_transactions`. It makes generating internal reports much faster.

Your agent only holds data in its active memory context during the session. It does not persist your financial records on disk.

Your financial data stays within the encrypted connection between your local environment and the bank. No third party touches your `get_balance` or transaction figures.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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