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Plaid MCP Server

Diagnose Plaid Items, pull Link conversion and error metrics, and check API usage from an AI assistant, with sandbox tokens and webhook simulation for building bank-data integrations.

Capabilities
Bank Data Item Diagnostics Link Analytics Sandbox Testing
Maintained by
Plaid
Hosting
Runs locally on your machine
Authentication
None beyond local access
Last checked

Plaid hosts a Dashboard MCP server. The local command here is Plaid's Sandbox server, which uses sandbox credentials.

How to connect the Plaid MCP server

Pick your AI client and paste the snippet. Swap the YOUR_… placeholders for your own values. New to this? Our guide to how MCP clients and servers fit together explains what each piece does.

Claude Code

Terminal
claude mcp add --transport stdio plaid \
  -- uvx mcp-server-plaid --client-id YOUR_PLAID_CLIENT_ID --secret YOUR_PLAID_SECRET
Full Claude Code setup guide →

Claude Desktop

claude_desktop_config.json (Settings → Developer → Edit Config)
{
  "mcpServers": {
    "plaid": {
      "command": "uvx",
      "args": [
        "mcp-server-plaid",
        "--client-id",
        "YOUR_PLAID_CLIENT_ID",
        "--secret",
        "YOUR_PLAID_SECRET"
      ]
    }
  }
}

Fully quit and reopen Claude Desktop after saving.

Full Claude Desktop setup guide →

Cursor

~/.cursor/mcp.json (or .cursor/mcp.json in a project)
{
  "mcpServers": {
    "plaid": {
      "command": "uvx",
      "args": [
        "mcp-server-plaid",
        "--client-id",
        "YOUR_PLAID_CLIENT_ID",
        "--secret",
        "YOUR_PLAID_SECRET"
      ]
    }
  }
}
Full Cursor setup guide →

VS Code

.vscode/mcp.json
{
  "servers": {
    "plaid": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-server-plaid",
        "--client-id",
        "YOUR_PLAID_CLIENT_ID",
        "--secret",
        "YOUR_PLAID_SECRET"
      ]
    }
  }
}
Full VS Code setup guide →

Frequently asked questions

What is the Plaid MCP server?

It is a Model Context Protocol (MCP) server — a small piece of software that gives AI assistants like Claude a secure, governed connection to Plaid. Diagnose Plaid Items, pull Link conversion and error metrics, and check API usage from an AI assistant, with sandbox tokens and webhook simulation for building bank-data integrations.

Is there an official Plaid MCP server?

Yes. The Plaid MCP server is an official integration, maintained by the vendor or the Model Context Protocol project, which makes it the safest default for business use. It is maintained by Plaid.

Is the Plaid MCP server hosted, or do I run it myself?

It runs locally. Your AI client starts it on your own machine with uvx, and it talks to the client over standard input and output rather than the network.

Do I need an API key for the Plaid MCP server?

No. It runs on your machine with your own permissions, so there is no key to create.

What can an AI assistant actually do with Plaid?

Through this server an assistant can work with bank data, item diagnostics, link analytics, sandbox testing — reading from and acting on Plaid directly instead of you copy-pasting between windows. What you allow it to do is controlled by the permissions you grant.

How do I set this up for my business?

The setup section above has copy-paste config for Claude Code, Claude Desktop, Cursor and VS Code. If you want it rolled out across a team with permissions, governance and support handled, that is what Crox's Build engagement covers.

New to MCP? Start with our plain-English guide to the Model Context Protocol or see how to connect AI to your business tools without writing code .

Done-for-you integration

Want this connected to your business — with governance handled?

Crox maps your processes, connects AI to the tools you already use, and keeps it working as models change. Start with a readiness assessment or talk to us about a build.