{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_article-audio","slug":"article-audio","name":"Article.Audio","type":"product","url":"https://article.audio","page_url":"https://unfragile.ai/article-audio","categories":["voice-audio","testing-quality"],"tags":[],"pricing":{"model":"freemium","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_article-audio__cap_0","uri":"capability://text.generation.language.web.article.to.speech.conversion.with.automatic.content.extraction","name":"web-article-to-speech conversion with automatic content extraction","description":"Automatically extracts readable text content from web articles (via URL or direct paste) and converts it to audio using cloud-based text-to-speech synthesis. The system likely uses DOM parsing or content extraction libraries to isolate article body text while filtering navigation, ads, and metadata, then streams the extracted text to a TTS engine (possibly Google Cloud TTS, Azure Speech, or similar) for synthesis.","intents":["I want to convert a blog post URL directly into audio without manually copying text","I need to listen to news articles while commuting without manually selecting paragraphs","I want to consume long-form web content in audio format without browser TTS limitations"],"best_for":["Busy professionals consuming news and blog content during commutes","Accessibility-focused users preferring audio over reading","Content consumers wanting hands-free consumption of web articles"],"limitations":["Content extraction accuracy depends on article HTML structure — may fail on non-standard layouts or paywalled content","No indication of support for JavaScript-rendered content (SPAs) — likely only works with server-rendered HTML","Processing time scales with article length; no streaming audio output mentioned, suggesting full synthesis before playback"],"requires":["Valid URL or copy-pasted article text","Internet connection for cloud TTS synthesis","Modern browser with HTML5 audio support"],"input_types":["URL (HTTP/HTTPS)","Plain text (copy-paste)"],"output_types":["Audio stream (MP3 or WAV, format unspecified)","Playable audio in web player"],"categories":["text-generation-language","audio-synthesis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_article-audio__cap_1","uri":"capability://text.generation.language.customizable.voice.selection.and.audio.playback.control","name":"customizable voice selection and audio playback control","description":"Provides a voice selection interface allowing users to choose from multiple pre-synthesized voices (likely varying by gender, accent, age) and adjust playback parameters like speed and volume. This is implemented as a client-side audio player with voice selection mapped to different TTS voice IDs or pre-rendered audio variants, enabling real-time switching without re-synthesis.","intents":["I want to choose a voice that matches my preference (male, female, accent) for audio articles","I need to adjust playback speed to match my listening pace (faster for skimming, slower for comprehension)","I want to control volume and pause/resume without leaving the player interface"],"best_for":["Users with accessibility needs requiring specific voice characteristics","Non-native speakers wanting slower playback for comprehension","Power users customizing audio experience for different contexts (work vs leisure)"],"limitations":["Voice selection likely limited to 3-10 pre-configured options — no custom voice cloning or fine-grained voice control","No indication of voice quality metrics or speaker profiles — unclear if voices are human-recorded or synthetic","Speed adjustment probably limited to 0.5x–2.0x range; extreme speeds may degrade intelligibility"],"requires":["Audio player UI rendered in browser","TTS engine supporting multiple voice IDs","JavaScript for real-time playback control"],"input_types":["Voice selection (dropdown or radio buttons)","Speed slider (numeric 0.5–2.0)","Volume control (numeric 0–100)"],"output_types":["Audio stream with selected voice and speed applied"],"categories":["text-generation-language","audio-synthesis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_article-audio__cap_2","uri":"capability://automation.workflow.freemium.conversion.quota.and.usage.tracking","name":"freemium conversion quota and usage tracking","description":"Implements a freemium model with usage limits (quota) for free users, likely tracking conversions per user via session cookies, local storage, or anonymous user IDs. The system enforces soft limits (e.g., 5 free conversions/month) before prompting upgrade, with a paid tier removing or significantly increasing limits. Backend likely uses a simple counter or rate-limiting middleware to track usage.","intents":["I want to test the service with a few free conversions before committing to paid","I need to understand my usage limits and when I'll hit the paywall","I want to upgrade to unlimited conversions for heavy use"],"best_for":["Casual users testing the service without upfront investment","Freemium SaaS builders evaluating conversion funnels","Budget-conscious individuals with low-volume conversion needs"],"limitations":["Free tier quota not specified in available information — unclear if it's 5, 10, or unlimited conversions","No indication of quota reset period (daily, monthly, yearly) — may frustrate users hitting limits unexpectedly","Quota enforcement likely client-side or via anonymous tracking — vulnerable to circumvention via incognito mode or cache clearing","No API tier mentioned — freemium likely applies only to web UI, not programmatic access"],"requires":["User account or session tracking (cookies/local storage)","Backend quota management system","Payment processor integration for paid tier"],"input_types":["User session or account ID"],"output_types":["Quota status (remaining conversions, reset date)","Upgrade prompt or paywall"],"categories":["automation-workflow","business-model"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_article-audio__cap_3","uri":"capability://automation.workflow.fast.on.demand.audio.synthesis.and.delivery","name":"fast on-demand audio synthesis and delivery","description":"Processes article-to-speech conversion with minimal latency, likely using a cloud TTS API (Google Cloud, Azure, or AWS Polly) with caching and streaming optimizations. The system probably queues synthesis requests, streams audio chunks to the client as they're generated, and caches frequently-converted articles to avoid re-synthesis. Architecture likely uses a serverless backend (Lambda, Cloud Functions) for cost-efficient scaling.","intents":["I want to convert an article and start listening within seconds, not minutes","I need reliable, fast processing for on-demand conversions throughout the day","I want to re-listen to a previously converted article without waiting for re-synthesis"],"best_for":["Users with low patience for processing delays (news readers, commuters)","High-traffic freemium services requiring cost-efficient scaling","Mobile users on limited data wanting quick audio delivery"],"limitations":["Synthesis speed depends on article length — no indication of streaming audio output, suggesting users wait for full synthesis before playback","Caching strategy not documented — unclear if cached audio persists across sessions or is cleared regularly","Cloud TTS latency (typically 1–5 seconds per request) may be noticeable for very long articles","No offline mode — all synthesis requires internet connectivity and cloud service availability"],"requires":["Cloud TTS API account (Google, Azure, AWS, or similar)","Backend queue or job processing system","CDN or edge caching for audio delivery","Internet connectivity"],"input_types":["Article text (variable length, typically 500–5000 words)"],"output_types":["Audio stream (MP3 or WAV, delivered via HTTP)","Playable audio in web player"],"categories":["automation-workflow","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_article-audio__cap_4","uri":"capability://text.generation.language.browser.based.audio.player.with.persistent.playback.state","name":"browser-based audio player with persistent playback state","description":"Embeds an HTML5 audio player in the web interface with standard controls (play, pause, seek, volume) and likely persists playback position (current time, article ID) in browser local storage or session storage. This enables users to pause an article and resume from the same position on return, without requiring user accounts or backend state management.","intents":["I want to pause an article and resume listening later from where I left off","I need standard audio player controls (play, pause, seek, volume) without external software","I want to skip ahead or rewind within an article without re-converting"],"best_for":["Casual users wanting simple, built-in playback without external apps","Users on mobile devices without dedicated audio player apps","Accessibility users requiring keyboard-navigable audio controls"],"limitations":["Playback state stored locally — not synced across devices or browsers, so resuming on mobile after desktop requires manual seeking","No indication of playback history or bookmarking — users can't easily find previously-listened articles","Local storage limited to ~5–10MB per domain — may not persist state for users with many conversions","No offline playback — audio must be streamed from server, not downloaded for offline use"],"requires":["Modern browser with HTML5 audio support (all modern browsers)","JavaScript enabled for player controls","Local storage API support"],"input_types":["Audio stream URL","Playback control events (play, pause, seek, volume)"],"output_types":["Audio playback in browser","Playback state (current time, article ID) stored in local storage"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":40,"verified":false,"data_access_risk":"low","permissions":["Valid URL or copy-pasted article text","Internet connection for cloud TTS synthesis","Modern browser with HTML5 audio support","Audio player UI rendered in browser","TTS engine supporting multiple voice IDs","JavaScript for real-time playback control","User account or session tracking (cookies/local storage)","Backend quota management system","Payment processor integration for paid tier","Cloud TTS API account (Google, Azure, AWS, or similar)"],"failure_modes":["Content extraction accuracy depends on article HTML structure — may fail on non-standard layouts or paywalled content","No indication of support for JavaScript-rendered content (SPAs) — likely only works with server-rendered HTML","Processing time scales with article length; no streaming audio output mentioned, suggesting full synthesis before playback","Voice selection likely limited to 3-10 pre-configured options — no custom voice cloning or fine-grained voice control","No indication of voice quality metrics or speaker profiles — unclear if voices are human-recorded or synthetic","Speed adjustment probably limited to 0.5x–2.0x range; extreme speeds may degrade intelligibility","Free tier quota not specified in available information — unclear if it's 5, 10, or unlimited conversions","No indication of quota reset period (daily, monthly, yearly) — may frustrate users hitting limits unexpectedly","Quota enforcement likely client-side or via anonymous tracking — vulnerable to circumvention via incognito mode or cache clearing","No API tier mentioned — freemium likely applies only to web UI, not programmatic access","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.31666666666666665,"quality":0.67,"ecosystem":0.25,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.35,"freshness":0.05}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:29.133Z","last_scraped_at":"2026-04-05T13:23:42.561Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=article-audio","compare_url":"https://unfragile.ai/compare?artifact=article-audio"}},"signature":"cQGrT1gdfHVtGgtLLtwfV5mogC9IvypVh2BsJwq6oSNEAJcgqH4ojGRwIe9KhAxnqA7LYHdsKuZ1/MA+HmigBg==","signedAt":"2026-06-20T12:01:00.236Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/article-audio","artifact":"https://unfragile.ai/article-audio","verify":"https://unfragile.ai/api/v1/verify?slug=article-audio","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}