Koskamo

ListRiver MCP

A Model Context Protocol server that provides AI assistants with tools to query official U.S. state business registries. It enables agents to retrieve active business data, including new LLCs and corporations, filtered by state, city, ZIP, NAICS industry, and entity type, supporting use cases like lead generation, CRM enrichment, and KYB verification.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

ListRiver MCP logo, by ListRiverCommunity listingLocal stdioSource reviewed; not executedPublished by ListRiver
You need:Create a free API account (name, email, password) and click the link in the confirmation email.On API access , click Get my free API key .
Vendor documentation

What you can do with it

  • Generate lead lists of brand-new businesses formed this month
  • Enrich CRM records with official business registry data
  • Conduct sales territory research by industry and location
  • Perform KYB and business verification checks

Source and maintenance

Community listingRegistry 0.1.0
mcp-registry: io.github.ListRiver-LLC/listriver@0.1.0Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

listriver-mcp 0.1.0

pypi
listriver-mcp package definition
{
  "version": "0.1.0",
  "transport": "stdio",
  "identifier": "listriver-mcp",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "LISTRIVER_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "Your ListRiver API key (free, 500 records a month: https://listriver.com/Account/ApiSignUp.aspx)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "listriver-mcp": {
      "command": "uvx",
      "args": [
        "listriver-mcp==0.1.0"
      ],
      "env": {
        "LISTRIVER_API_KEY": "<YOUR_LISTRIVER_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "listriver-mcp": {
      "command": "uvx",
      "args": [
        "listriver-mcp==0.1.0"
      ],
      "env": {
        "LISTRIVER_API_KEY": "<YOUR_LISTRIVER_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "listriver-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "listriver-mcp==0.1.0"
      ],
      "env": {
        "LISTRIVER_API_KEY": "<YOUR_LISTRIVER_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "listriver-mcp": {
      "command": "uvx",
      "args": [
        "listriver-mcp==0.1.0"
      ],
      "env": {
        "LISTRIVER_API_KEY": "<YOUR_LISTRIVER_API_KEY>"
      }
    }
  }
}

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