Clerkfield

com.clerkfield/mcp

Verify U.S. businesses against state registries and search UCC liens by business or lender.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "clerkfield-mcp@1.0.0"
      ],
      "env": {
        "CLERKFIELD_API_KEY": "<your CLERKFIELD_API_KEY>"
      }
    }
  }
}
Environment variables
  • CLERKFIELD_API_KEYrequiredsecretClerkfield API key (create one free at https://clerkfield.com/app#profile)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Other
Version
1.0.0
Registry
active
Published
11/10/2026

On GitHub

read Nov 13, 2026
Stars
0
Forks
0
Last push
Nov 11, 2026
License
MIT

JavaScript

From the README

Clerkfield MCP server Verify U.S. businesses against official state registries and search UCC liens, from Claude, Cursor, VS Code, Windsurf and any other Model Context Protocol client. Clerkfield reads each state's own business registry and UCC filing office, not a resold database, and returns every result with its official source and the date of the data. It's built for merchant cash advance funders, lenders and anyone doing KYB on U.S. businesses. Tools All tools are read-only. Get an API key Create a free account at clerkfield.com/app, open your profile and create an API key. Clerkfield is free during the beta. Option 1: remote server (no install) Point your client at https://clerkfield.com/mcp (Streamable HTTP) with the header Authorization: Bearer . Claude Code Cursor / VS Code / Windsurf (mcp.json) Option 2: local server (npm) Runs on your machine and calls the Clerkfield API. Needs Node.js 18.17 or later. Claude Desktop (claudedesktopconfig.json), Cursor, VS Code, Windsurf Claude Code Docker Example prompts • "Verify Joes Pizza Italia Inc in New York and tell me how long it's been in business." • "Is Jane Doe listed as an officer of Acme Roofing LLC in Florida?" • "Show every active UCC lien on Harbor Street Bakery LLC in Connecticut, newest first." • "Which states can you search UCC liens by lender in?" Good to know • Coverage varies by state and grows over time: ask get_coverage, or see clerkfield.com/coverage.…

Read the full README on GitHub →

Remotes

  • streamable-httphttps://clerkfield.com/mcp

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Add the badge to your site

Show visitors that Clerkfield is listed here — it’s also the link we check for a free listing.

Clerkfield — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/com-clerkfield-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Clerkfield — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Clerkfield — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/com-clerkfield-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.