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Luscinia: AI-Powered Sidekick for Product Teams What it does API Analyzer – Captures API failures (failed requests, error responses) from your browsing session and runs instant root cause analysis using AI (Gemini). You get likely causes and fix directions, plus Jira-ready tickets with editable content, full cURL commands, and optional test credentials—all stored locally and encrypted. Responsiveness Analyzer – Tests the active page at desktop, tablet, and mobile viewports, then uses AI to report layout issues, overflow, touch targets, and other responsiveness problems, with Jira-ready tickets. Issue Companion – Records screen activity and creates Jira tickets with AI assistance. Capture screen recordings, DOM activity, and screenshots, then use AI to enhance summaries and descriptions before one-click ticket creation. Surfaces clear, actionable explanations—so developers and QA spend less time triaging and more time fixing. Fits into your workflow as a lightweight sidekick: no heavy setup, works where you already work. Who it’s for Developers debugging APIs and integrations QA engineers investigating test failures and responsiveness Product and business analysts who need to understand technical failures and layout issues quickly Why Luscinia Luscinia turns “something broke” into “here’s what went wrong and how to fix it,” and “does it work on mobile?” into “here’s what’s broken and how to improve it.” It’s built to be fast, clear, and focused on product teams—so you get from failure to fix with less guesswork.
Mar 20, 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.