openaccountants/openaccountants — Open-source tax skills for AI — 371 skills across 134 countries.

Description and use

OpenAccountants is an open‑source library that equips large language models with comprehensive tax‑compliance capabilities, offering 371 pre‑built skills that cover the tax rules of 134 countries. The skills can be uploaded directly to any LLM or accessed through the MCP (Model Connectivity Platform), and they are organized into a quality‑tier system (Q1–Q5) to help developers select the most reliable tax logic for their applications. This project targets AI/ML and backend developers who need accurate, scalable tax calculations integrated into conversational or automated systems.

Problem

openaccountants/openaccountants helps connect AI assistants to real tools and data through a standard protocol.

Outcome

Early or unclear: treat as research material until maintenance, releases, docs, and issue activity are verified.

Workflow

• connect AI agents to tools
• ship Model Context Protocol servers
• standardize integrations

Evidence

Open-source tax skills for AI — 371 skills across 134 countries. Upload to any LLM or connect via MCP. Quality-tiered Q1–Q5.

Source