Classify text, score feedback, and answer yes/no questions with TypeSafe Jev formulas in Google Sheets™. Bring your own TypeSafe API key.
Listing updated:October 11, 2026
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Overview
Turn text in Google Sheets™ into typed decisions with TypeSafe AI’s Jev model. Classify feedback, organize messy labels, score messages against a rubric, or ask yes/no questions about a cell.

JEV_NOUL answers yes/no questions. JEV_CHOICE selects among labels you provide. JEV_SCORE returns a numeric score using an ordered rubric. JEV returns the full TypeSafe response as JSON for advanced use.

A separate TypeSafe account and API key are required. The add-on has no fee; TypeSafe API usage may incur charges. After installation, open Extensions → Jev for Sheets™ → API key & connection. Save and test your key, then explicitly connect it to the spreadsheet. Collaborators’ formulas use the connected account and its API usage.

Formula inputs are sent to TypeSafe for processing. Keys are stored in Apps Script™ properties. Each nonblank evaluation can make a billed request. AI judgments can be incorrect, so review results before acting.

Developed independently by Dave Bredesen. Google Sheets™ is a trademark of Google LLC. Source: https://github.com/dbredesen/jev-sheets. Support: dbredesen@gmail.com.
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PricingFree of charge
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Jev for Sheets™ will ask for the permissions shown below. Learn more
Jev for Sheets™ will need access to your Google account
This will allow Jev for Sheets™ to :
View and manage spreadsheets that this application has been installed in
Display and run third-party web content in prompts and sidebars inside Google applications
Connect to an external service
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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