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Routing Number Lookup — ABA/ACH Bank Routing Validation MCP Serv…

@easysolutions906

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

easysolutions906

Submitted by

easysolutions906

About Routing Number Lookup — ABA/ACH Bank Routing Validation MCP Server

Look up and validate US bank routing numbers. ABA checksum validation, search by bank name or state. Used by payroll, ACH, and payment platforms.

#routing#banking#ach#payroll#payments#mcp

Routing Number Lookup — ABA/ACH Bank Routing Validation MCP Server config

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

{
  "mcpServers": {
    "routing": {
      "command": "npx",
      "args": [
        "-y",
        "@easysolutions906/mcp-routing"
      ]
    }
  }
}

Routing Number Lookup — ABA/ACH Bank Routing Validation MCP Server tools

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Overview

What is Routing Number Lookup — ABA/ACH Bank Routing Validation?

It is a Model Context Protocol (MCP) server that provides lookup, search, and validation of ABA routing numbers using the Federal Reserve FedACH directory. It is intended for developers integrating bank routing information into AI assistants or other applications.

How to use Routing Number Lookup — ABA/ACH Bank Routing Validation?

Install it via npx with npx @easysolutions906/mcp-routing. Configure it in Claude Desktop or Cursor by adding the command to the respective JSON configuration file. The server offers three tools: routing_lookup, routing_search, and routing_validate.

Key features of Routing Number Lookup — ABA/ACH Bank Routing Validation

  • Lookup banks by 9-digit ABA routing number
  • Search institutions by name, city, or state
  • Validate routing number checksum using weights 3,7,1
  • Batch lookup of multiple routing numbers
  • REST API with optional HTTP transport
  • Bundled data fallback when download unavailable

Use cases of Routing Number Lookup — ABA/ACH Bank Routing Validation

  • AI assistants validating bank routing numbers in real time
  • Applications searching for financial institutions by location or name
  • Automated verification of routing number checksums in payment workflows
  • Batch processing of routing numbers for data enrichment
  • Integrate bank routing data into Claude Desktop or Cursor workflows

Frequently asked questions

1

Where does the routing number data come from?

The data comes from the Federal Reserve FedACH directory. The server downloads it on demand; if the download fails, it falls back to bundled data.

2

What tools does the server provide?

It provides three tools: `routing_lookup` for looking up a bank by routing number, `routing_search` for searching by name/city/state, and `routing_validate` for checksum validation.

3

What transport modes are supported?

The default transport is stdio for local use with Claude Desktop and Cursor. Setting the `PORT` environment variable starts the server in Streamable HTTP mode.

4

Can I run it as a standalone HTTP server?

Yes. Set the `PORT` environment variable and the server will serve REST endpoints

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