Verhoeff-checksum GSTIN validator with state + embedded-PAN extraction
GST Validator — hosted on Cloudflare Workers (HTTP + npm stdio) is an MCP project maintained in the guptaprakhariitr/gst-validator-mcp repository. The maintainer describes its purpose as “Verhoeff-checksum GSTIN validator with state + embedded-PAN extraction”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://gst-validator-mcp.atlasword.workers.dev/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| validate_gstin | gstin |
| extract_pan | gstin |
| state_from_gstin | gstin_or_prefix |
{
"mcpServers": {
"gst-validator-mcp": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://gst-validator-mcp.atlasword.workers.dev/mcp",
"--header",
"Authorization: Bearer mck_YOUR_API_KEY"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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