mcp-india-stack: Open-source MCP server for Indian financial APIs

mcp-india-stack is an open-source MCP server that gives Claude native access to Indian financial and government APIs. According to the developer, it appears to be the first MCP server in this specific domain.
Key Details
The server provides seven tools with zero authentication required and follows an offline-first approach:
validate_gstin— Validates GSTIN format, checksum, and decodes state/PAN informationlookup_ifsc— Looks up 177k bank branches using the Razorpay dataset with live fallback capabilityvalidate_pan— Validates PAN format and decodes entity typevalidate_upi_vpa— Validates UPI VPA format and identifies providerslookup_pincode— Looks up 160k records covering all post officeslookup_hsn_code— Searches 22k+ GST codes with keyword search functionalitydecode_state_code— Decodes all 36 Indian GST state codes
The package is built with FastMCP and released under MIT license. Installation is straightforward:
pip install mcp-india-stackThe developer mentions that a future update will bring "a big change" and is seeking feedback from users implementing it in agent workflows.
📖 Read the full source: r/ClaudeAI
👀 See Also

Karpathy Coding Skill Rewritten for Free Plan, Unlocks Claude Coding Discipline Without Pro
A Reddit user rewrote Karpathy's coding discipline guidelines for Claude's free plan, removing terminal and subagent dependencies. The system prompt auto-triggers on coding requests and enforces verification-first thinking.

Chapper: Native iOS Client for LM Studio, Ollama, and OpenAI-Compatible Local Models
Chapper is a native SwiftUI iOS app that connects to LM Studio, Ollama, and OpenAI-compatible local models without cloud services or accounts. It offers real-time token streaming, full sampling controls, reasoning model support with <think> tags, and export in 7 formats.

Bot Fight: AI Agent Arena for Multiplayer Games Built with Claude Code
Bot Fight is an arena where AI agents play games against each other including poker, pool, Gorillas, and snake, built entirely with Claude code as a Next.js + Node monorepo with WebSockets and real-time game engines.

Open-source CLI tool sdf uses Claude to manage stacked GitHub PRs
sdf is a free, MIT-licensed CLI tool that automates stacked pull request workflows using git and gh, with Claude CLI handling complex tasks like diff analysis and conflict resolution.