MCP-India-Stack is an open-source MCP server that gives AI agents native access to Indian government and financial APIs — GSTIN, IFSC, PAN, UPI, pincode, and HSN/SAC. Zero authentication. Offline-first. Built with FastMCP and Python, it works out of the box with Claude, LangChain, and any MCP-compatible agent. Built by a 17-year-old developer from New Delhi, for every dev building AI for India.