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openaccountants
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openaccountants

Active·★ 456·NOASSERTION·Updated 2026-10-21

OpenAccountants provides open-source tax computation skills for AI, covering 371 skills across 134 countries. It can be used by uploading to LLMs like Claude or ChatGPT, or via an MCP server for automatic skill loading. The goal is to reduce accounting bills by 80% by having AI classify transactions and produce working papers for accountants to review.

openaccountants sits in the Dev Tooling category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Open-source tax skills for AI with 371 skills across 134 countries. A representative use case is Quick tax processing for individuals and small businesses. The listed license is NOASSERTION. GitHub stars are currently 456. Relevant tags include accounting, ai.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool.

#accounting#ai#bookkeeping#chatgpt#claude#cursor#fintech#freelancer
$ Install
$ git clone https://github.com/openaccountants/openaccountants.git && cd openaccountants && pip install ./mcp
↗ Visit site★ GitHub
01

Features

01Open-source tax skills for AI with 371 skills across 134 countries
02Two usage methods: manual upload to LLMs or automated MCP server
03Supplier pattern library for automatic transaction classification
04Conservative defaults to assume more tax when uncertain
05Quality tiers (Q1-Q5) to indicate verification level
02

Why choose it

+Open-source tax skills for AI with 371 skills across 134 countries
+Two usage methods: manual upload to LLMs or automated MCP server
+Quick tax processing for individuals and small businesses
+Supports 4 platforms or runtime environments.
03

Trade-offs

!The final decision should still be made through side-by-side comparison with similar tools.
04

Compatibility

Claude
Upload to Claude
Verified via docs
ChatGPT
Upload to ChatGPT
Verified via docs
Claude Desktop
MCP on Claude Desktop
Verified via docs
Cursor
MCP on Cursor
Verified via docs
05

Quick start

1
$ git clone https://github.com/openaccountants/openaccountants.git
2
$ cd openaccountants
3
$ pip install ./mcp
06

Use cases

↳Quick tax processing for individuals and small businesses
↳Prepare working papers for accountants to reduce review time
↳Automatically classify bank transactions according to local tax rules
07

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On this page
01Features02Why choose it03Trade-offs04Compatibility05Quick start06Use cases07Alternatives
openaccountants /
openaccountants
↗

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

456
Last commit1d ago
StatusActive
CategoryDev Tooling
Links
Documentation↗Discussion↗Issues↗Releases↗
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