Who it is for
Growers and farm managers whose operational, field, and weather records already sit in Winnow.
Overview
Winnow, Inc. gives growers a way to ask questions about their own farming operation inside ChatGPT. The data it reaches is scoped to that operation and covers field, operation, and weather tables.
Two kinds of tool are exposed. One describes the schema, so the shape of the available tables can be established before anything is queried. The other runs SQL against them.
Access is deliberately narrow. Validation happens on the server, and any statement that is not a SELECT gets rejected, as does any attempt to reach a dataset outside the grower's own scope. Nothing here writes back to farm records.
Growers and farm managers whose operational, field, and weather records already sit in Winnow.
The read-only limit is enforced server side rather than by convention, so statements other than SELECT are refused, along with any dataset outside the granted scope.
Availability
Winnow is listed in the ChatGPT apps directory only. Winnow, Inc. 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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Enterprise data catalog and governance context inside ChatGPT
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This is an independent catalogue entry compiled by Node8 from Winnow'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 Winnow, Inc., 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.