What's moving in tax open source.
Fresh releases across the index, projects that just landed, and the repositories shipping right now. Updated daily.
New releases
40Latest nightly build
0.18.1
Release v5.0.68
Release v5.0.67
Release v5.0.66
0.18.0
v0.3.0 -- itr-agent (renamed from itr-mcp) + guided filing agent
KSeF v2.7.0
v0.1.13 — Cross-host task resumption
v1.9.8 — MCP adoption audit
Release v5.0.65
v0.1.12 — Agent-led Cowork hardening
0.17.0
v0.1.11 — Host-adaptive interactive intake
v0.9.4
v0.1.10 — Agent-driven workflow consistency
Release 6.7.2 (2026-07-12)
v0.1.9 — Cowork-first cross-host packaging
v1.9.7 — agent-surface audit + new SDK adapters
Release v5.0.63
Newly indexed
12Runloop's AI TaxMan Project: an agent development starter that uses Codex & W&B Weave to process tax forms. Watch YouTube series: https://yo
Tunisian tax and benefit system for OpenFisca
FacturaHub plugin for Claude Code — Run your business from Claude. 46 MCP tools for invoicing, expenses, tasks, reports and e-invoicing.
Comprehensive MCP server for Skatteetaten (Norwegian Tax Administration) — covers all tax APIs via Maskinporten auth
MCP server for AI invoicing — Create invoices, track expenses & generate tax reports with Claude, Cursor & any MCP-compatible AI assistant
Official Model Context Protocol (MCP) server for vatnode — EU VAT validation, rates, and format checks for AI agents (Claude, Cursor, ChatGP
VAT ID validateion MCP server using https://ec.europa.eu/taxation_customs/vies/
Retrieval Augmented Generation (RAG) dataset for Brazilian Federal Revenue Service (Receita Federal do Brasil ― RFB).
Rust bindings and SDK for the ELSTER Rich Client (ERiC)
Paquete Laravel para gestión y registro de facturación electrónica VeriFactu. Compatible con Laravel 10 a 12.x
Convert GOBL documents into the Spanish FacturaE format