Who it is for
Bookkeepers and accounting firms coordinating a recurring close across several clients or entities.
Month-end close management with write-back to Double
Overview
Double is a system for running the month-end close, holding tasks, owner assignments, and close status in one place instead of a spreadsheet plus a set of scattered checklists. It connects to the general ledger or ERP behind it.
The ChatGPT app can act on the close directly. Tasks can be created or reassigned, meeting notes can be turned into action items, and status updates can be drafted for a team or for clients. Edits made in conversation write back to Double as they happen, within limits the account owner sets for reading and updating.
Supported ledgers are QuickBooks, Xero, NetSuite, and Sage Intacct. The intended operators are bookkeepers, accountants, and in-house finance teams.
Bookkeepers and accounting firms coordinating a recurring close across several clients or entities.
Where most finance connectors only read, this one writes, so task assignment happens in the conversation itself.
Availability
Double is listed in the ChatGPT apps directory only. Double has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
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This is an independent catalogue entry compiled by Node8 from Double's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Double, and inclusion here is not an endorsement.
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.