INDIVIDUAL MCP TOOL

validate_tax_id

Validate a tax ID format and checksum (CL RUT, MX RFC, and more).

madtaco.devnone authenticationAvailability not checked

LIVE ENDPOINT

https://api.madtaco.dev/mcp

No auth detected

Connect to this endpoint to inspect the live schema for validate_tax_id and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.madtaco]
url = "https://api.madtaco.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "madtaco": {
      "type": "http",
      "url": "https://api.madtaco.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: madtaco
Remote MCP URL: https://api.madtaco.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "madtaco": {
      "url": "https://api.madtaco.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "madtaco": {
      "type": "http",
      "url": "https://api.madtaco.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "madtaco",
  "transport": "streamable-http",
  "url": "https://api.madtaco.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

validate_iban — Validate an IBAN checksum and parse bank metadata.
validate_vat — Validate an EU VAT number format (country prefix + structure).
lookup_instrument — Map a ticker, ISIN, CUSIP, or other identifier to FIGI and instrument metadata via OpenFIGI.
validate_email — Validate an email address.
validate_phone — Validate a phone number.
screen_sanctions — Screen a name against OFAC SDN, EU, UK, and UN sanctions lists.
verify_company — Verify a company against an official registry (GB only in v1).
inspect_domain — Inspect domain age, DNS posture, and lookalike risk.