How to Use the Mercury MCP in Claude Code

Q: How do I connect the Mercury MCP Server to Claude Code?

Run the command claude mcp add --transport http mercury -- in your terminal. This registers the server inside your /.claude.json configuration file, making all banking tools immediately available.

Q: How do I verify which Mercury accounts Claude Code can access?

Run listaccounts through the CLI to see the active accounts associated with your API key. You can restrict this list at any time by editing the permissions of your token in your dashboard.

Query Mercury account balances and export transaction logs directly from the Claude Code terminal.

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Connect Mercury MCP to Claude Code

Create your Vinkius account to connect Mercury to Claude Code 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 Claude Code

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Claude

Perplexity

Terminal-Based Runway Auditing

SREs and backend devs don't need a heavy GUI to check corporate balances. Claude Code calls `list_accounts` and `get_treasury_balance` directly from your terminal using this MCP Server, piping raw banking figures straight into your local shell scripts. This terminal-first approach lets you chain financial queries with standard Unix tools. You can grep, awk, or redirect your treasury overview into local config files without ever opening a browser.

Headless Transaction Export

Automate your monthly close directly from your SSH session or local shell. Claude Code uses this MCP Server to execute `list_transactions` and `get_transaction`, pulling raw transaction histories without manual exports. You can pipe this data directly into local database scripts or ledger files. It turns a tedious manual reconciliation process into a single CLI command that runs in seconds.

Script Recipient Setup via Claude Code

Setting up vendor profiles shouldn't break your terminal flow. Claude Code uses `list_recipients` to verify existing vendors and flags any missing entries directly in your stdout. When you need to add a new contractor, the CLI agent calls `create_recipient` to stage the profile. You keep your hands on the keyboard while preparing your next payout run.

Setup guide

Set up Mercury MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see mercury-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Mercury transactions." It will automatically discover and invoke the available Mercury tools.

Terminal

claude mcp add --transport http mercury-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

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

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Mercury. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Mercury MCP in Claude Code

Run the command `claude mcp add --transport http mercury -- ` in your terminal. This registers the server inside your `~/.claude.json` configuration file, making all banking tools immediately available.

Yes, you can pipe commands directly to Claude Code in your terminal or run them in CI/CD environments. The agent will execute tools like `list_payments` and output the results as raw text or JSON.

No, the agent cannot move money out of your accounts. While this MCP Server allows it to call `create_recipient` to draft vendor profiles, any actual cash transfer must be manually approved inside your banking dashboard.

Run `list_accounts` through the CLI to see the active accounts associated with your API key. You can restrict this list at any time by editing the permissions of your token in your dashboard.

Yes, your credentials are safe. Your API keys and transaction records are never stored by Vinkius, and all tool executions run in a secure, ephemeral sandbox. Your banking credentials remain fully encrypted and are only used to authenticate direct requests to the endpoint.

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