GST Validator MCP Server

Validate Indian GSTINs locally (Verhoeff), extract PAN, identify issuing state.

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What is the GST Validator MCP Server?

Validate Indian GSTINs locally (Verhoeff), extract PAN, identify issuing state.

What it actually does

Hosted MCP server for structural validation of Indian GSTINs (15-character Goods & Services Tax Identification Numbers). Verifies length, character set, state code, embedded PAN format, and the GSTN mod-36 (Verhoeff) check digit. Extracts the embedded PAN and resolves the state from the TIN prefix. For Indian invoicing, KYC, and procurement LLMs.

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Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
validate_gstingstin
extract_pangstin
state_from_gstingstin_or_prefix

Example prompts to try

  • “Use GST Validator to validate gstin.”
  • “Use GST Validator to extract pan.”
  • “Use GST Validator to state from gstin.”

Frequently asked questions

Validate Indian GSTINs locally (Verhoeff), extract PAN, identify issuing state. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.