OpenAccountants

Open-source tax guides reviewed by named CPAs, accessible to AI agents via a hosted connector.

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OpenAccountants is a library of tax guides that AI assistants can cite, with each guide either reviewed and signed by a named, licensed accountant or drawn directly from primary legislation. It offers a hosted connector for Claude, ChatGPT, and Cursor, plus a self-hostable MCP server and downloadable jurisdiction files. It is built for people who want AI tax answers backed by an attributed, verifiable source.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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