Ziptax MCP MCP server

The Ziptax MCP Server provides AI agents with direct access to real-time U.S. and Canadian sales tax data. It allows agents to look up sales and use tax rates by postal code, street address, or geographic coordinates, and retrieve detailed jurisdiction-level tax breakdowns including state, county, city, and district rates. Additionally, it enables querying account usage metrics and quota information for the associated Ziptax API account.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by ZipTax

MCP endpoint (Streamable HTTP)

https://mcp.zip-tax.com/

Vendor documentation

What you can do with it

Look up sales and use tax rates by postal code, street address, or geographic coordinates.
Retrieve jurisdiction-level tax breakdowns including state, county, city, and district rates.
Query account usage metrics and quota information for the Ziptax API account.

Tools advertised by the last live check:

get_account_metrics
lookup_tax_rate

Connect from your client

Each snippet registers the same endpoint; pick the client you 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.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http ziptax-mcp https://mcp.zip-tax.com/

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add ziptax-mcp --url https://mcp.zip-tax.com/

Cursor

Merge this server into .cursor/mcp.json in your project, then enable ziptax-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "ziptax-mcp": {
      "url": "https://mcp.zip-tax.com/"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "ziptax-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.zip-tax.com/",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start ziptax-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "ziptax-mcp": {
      "type": "http",
      "url": "https://mcp.zip-tax.com/"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http ziptax-mcp https://mcp.zip-tax.com/

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "ziptax-mcp": {
      "url": "https://mcp.zip-tax.com/"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "ziptax-mcp": {
      "serverUrl": "https://mcp.zip-tax.com/"
    }
  }
}

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