Mercury Invoicing Mcp

Name: Mercury Invoicing Mcp
Author: klodr

@klodr

About Mercury Invoicing Mcp

Mercury Banking MCP server with full Invoicing API support — first MCP to expose Mercury's accounts receivable endpoints. 34 tools covering banking, treasury, recipients, internal transfers, customers, recurring invoices, and webhooks. Built-in safeguards: dual-window rate limiti

#mercury #banking #invoicing #fintech #mcp-server

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mercury-invoicing": {
      "command": "npx",
      "args": [
        "-y",
        "mercury-invoicing-mcp"
      ],
      "env": {
        "MERCURY_API_KEY": "secret-token:mercury_production_xxxxxxxxxxxxxxxx"
      }
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Mercury Invoicing Mcp?

Mercury Invoicing Mcp is an MCP server that gives AI assistants (Claude, Cursor, Continue, etc.) programmatic access to Mercury business banking accounts, including the full Invoicing API (accounts receivable) which is missing from other Mercury MCP implementations.

How to use Mercury Invoicing Mcp?

Install globally with npm install -g mercury-invoicing-mcp or run via npx mercury-invoicing-mcp. Set the MERCURY_API_KEY environment variable with a Mercury API token obtained from Mercury Settings → API Tokens. Configure the server in your MCP client’s mcpServers block with the command, arguments, and environment variable.

Key features of Mercury Invoicing Mcp

34 tools across Banking, Treasury, Invoicing, Customers, and Webhooks.
Internal transfers between owned Mercury accounts.
Recurring invoices and invoice attachments.
Webhooks full CRUD, including update_webhook.
Built-in safeguards: dual-window rate limit, dry-run mode, redacted audit log.
Sandbox auto-detection for tokens starting with mercury_sandbox_.

Use cases of Mercury Invoicing Mcp

Automate invoice creation and management via an AI assistant.
Monitor account transactions and statements programmatically.
Manage recipients and internal transfers without manual login.
Configure webhooks for event-driven workflows.
Process accounts receivable with recurring invoices.

FAQ from Mercury Invoicing Mcp

What API key is required?

Set the MERCURY_API_KEY environment variable with a Mercury API token from Mercury Settings → API Tokens.

How do I install the server?

Install globally with npm install -g mercury-invoicing-mcp or run directly with npx mercury-invoicing-mcp.

Does it support sandbox environments?

Yes, tokens starting with mercury_sandbox_ automatically point to the sandbox API endpoint.

Are outbound payments possible?

The MCP can create API calls for payments, but approval depends on your Mercury workspace's payment approval policy.

Is there a dry-run mode?

Yes, the server includes a dry-run mode as a built-in safeguard.

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