ksefnik. KSeF SDK for TypeScript/Node.js — invoice reconciliation with bank statements (MT940, mBank, ING, PKO, Santander), production KSeF 2.0 HTTP client, MCP server for Claude and Cursor. Open-source, MIT.

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.