Routing Number Lookup — ABA/ACH Bank Routing Validation

@easysolutions906

About Routing Number Lookup — ABA/ACH Bank Routing Validation

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

Config

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

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

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

FAQ from Routing Number Lookup — ABA/ACH Bank Routing Validation

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.

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.

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.

Can I run it as a standalone HTTP server?

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

Frequently asked questions

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.

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.

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.

Can I run it as a standalone HTTP server?

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

Comments

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