Connecting Claude or ChatGPT to your books with MCP
Comma is a remote MCP server, so an AI assistant can run your books — scoped to the connecting user's role, fully logged, and revocable in one click.
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Notes on real books and AI
Double-entry bookkeeping, Canadian corporate tax, and running your books with an AI assistant.
Why your books should be an immutable ledger
A real ledger never lets a posted entry be silently edited or deleted — corrections happen by reversing. Here's why that matters, and how Comma enforces it.
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