Verified Numbers MCP Server: Install & Setup

Install Verified Numbers in Claude Code

Claude Code

claude mcp add --transport http verified-numbers https://verified-numbers.mcpize.run

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "verified-numbers": {
      "url": "https://verified-numbers.mcpize.run"
    }
  }
}

Frequently asked questions

What does the Verified Numbers MCP server do?

Current source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.

Is the Verified Numbers MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Verified Numbers run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Verified Numbers to Claude Code?

Run: claude mcp add --transport http verified-numbers https://verified-numbers.mcpize.run

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