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Find prediction markets relevant to the page you're reading See what prediction markets say about the content you're reading. HOW IT WORKS Click the Quantify button on any tweet or open the side panel on any article. Quantify reads the content, searches Manifold and Polymarket for relevant markets, and returns live probabilities with direct links. ON TWITTER/X A "Q" button appears on every tweet. Click it to see prediction market context — probabilities, market links, and how they relate to the tweet's claims. ON ANY ARTICLE Click the Quantify icon in your toolbar to open a side panel with market analysis. Quotes from the article are highlighted on the page and linked to relevant markets. Ask follow-up questions in the bar at the bottom. WHAT YOU GET - Live probabilities from real prediction markets - Direct links to Manifold and Polymarket BRING YOUR OWN KEY Quantify uses the Anthropic API. You provide your own API key (get one at console.anthropic.com). Your key is stored locally and never sent anywhere except the Anthropic API. PRIVACY - No data collection, analytics, or tracking - No accounts or servers - Your API key stays on your device - All processing happens in the extension - Open source: github.com/David-McSharry/quantify
Mar 9, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.