{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_transvribe","slug":"transvribe","name":"Transvribe","type":"product","url":"https://www.transvribe.com","page_url":"https://unfragile.ai/transvribe","categories":["research-search"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_transvribe__cap_0","uri":"capability://search.retrieval.youtube.transcript.indexing.and.full.text.search","name":"youtube transcript indexing and full-text search","description":"Crawls YouTube video metadata and auto-generated or creator-provided transcripts, building a searchable index that maps query terms to specific video timestamps. Uses semantic or keyword-based matching against transcript text to surface relevant video segments without requiring manual playback. The system likely leverages YouTube's Data API to fetch transcript availability and content, then indexes this data in a search backend (Elasticsearch, Algolia, or similar) to enable sub-second query response times across potentially millions of videos.","intents":["Find the exact timestamp where a specific topic is discussed in a lecture video without scrubbing through the entire duration","Search across multiple YouTube videos simultaneously to locate all instances of a particular concept or phrase","Extract contextual snippets showing how a search term is used within video content for research or citation purposes"],"best_for":["Academic researchers conducting literature reviews using video sources","Educators building lesson plans and needing to locate specific teaching moments across lecture libraries","Students studying from recorded lectures who need rapid fact-checking or concept verification"],"limitations":["Only indexes videos where transcripts are enabled—YouTube auto-generated captions have variable accuracy and may miss technical terminology, slang, or non-English speech","Cannot index videos with disabled transcripts or private/unlisted content, limiting coverage to publicly available videos with caption support","Search quality degrades on videos with poor audio quality or heavy accents where YouTube's speech-to-text produces garbled transcripts","No real-time indexing—newly uploaded videos may take hours or days to appear in search results depending on crawl frequency"],"requires":["YouTube Data API access (requires Google Cloud project and quota allocation)","Internet connectivity to query YouTube and retrieve transcript data","Videos must have transcripts enabled (auto-generated or manual captions)"],"input_types":["text (search query)","YouTube video URL or video ID"],"output_types":["structured data (video metadata, transcript snippets, timestamps)","text (contextual excerpt showing search term in transcript)"],"categories":["search-retrieval","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_transvribe__cap_1","uri":"capability://search.retrieval.contextual.transcript.snippet.extraction.with.timestamp.mapping","name":"contextual transcript snippet extraction with timestamp mapping","description":"When a search query matches transcript content, the system extracts a window of surrounding text (typically 1-3 sentences before and after the match) and maps this snippet back to the precise timestamp in the video where it occurs. This enables users to see not just that a term exists in a video, but exactly how it's used in context and where to jump to in playback. The implementation likely tokenizes transcripts into sentences or phrases, maintains offset mappings to video timestamps, and returns both the snippet text and the corresponding seek position.","intents":["Preview search results with surrounding context to determine relevance before clicking into a video","Jump directly to the relevant moment in a video without scrubbing or guessing at timestamps","Verify how a term is used in context (e.g., is it mentioned positively or negatively, in what theoretical framework)"],"best_for":["Researchers who need to evaluate relevance of video content before investing time in viewing","Educators creating curated video playlists with specific learning objectives","Students cross-referencing multiple video sources for a single topic"],"limitations":["Snippet quality depends on transcript accuracy—garbled or auto-generated captions may produce misleading context","Timestamp mapping assumes transcript timing data is accurate; desynchronized captions will cause users to jump to wrong moments in video","Context window size is fixed; may not be sufficient for complex concepts requiring longer explanation"],"requires":["Transcript data with timestamp metadata for each caption segment","Video must support seeking/jumping to arbitrary timestamps (standard for YouTube)"],"input_types":["text (search query)","transcript data with timestamp offsets"],"output_types":["structured data (snippet text, start timestamp, end timestamp, video ID)","text (contextual excerpt)"],"categories":["search-retrieval","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_transvribe__cap_2","uri":"capability://search.retrieval.multi.video.cross.search.with.result.aggregation","name":"multi-video cross-search with result aggregation","description":"Enables users to execute a single search query across multiple YouTube videos simultaneously, returning ranked results from all indexed videos that match the query. The system aggregates results from the search index, ranks them by relevance (likely using BM25 or TF-IDF scoring), and presents them in a unified interface grouped by video or by relevance. This requires the search backend to support multi-document queries and result deduplication to avoid returning the same concept from multiple videos as separate results.","intents":["Search across an entire lecture series or course playlist to find all instances of a concept","Compare how different speakers or sources discuss the same topic across multiple videos","Build a comprehensive research bibliography by finding all relevant video segments across a topic area"],"best_for":["Researchers conducting systematic reviews across video lecture libraries","Educators designing curricula by finding complementary content across multiple sources","Students preparing for exams by locating all relevant explanations of a topic across course videos"],"limitations":["Result ranking may be suboptimal if relevance scoring doesn't account for video quality, speaker authority, or recency","Searching across thousands of videos may return overwhelming result sets without effective filtering or faceting options","No deduplication of semantically identical content across videos—same concept explained identically in two videos appears as two separate results"],"requires":["Search index with multi-document query support","Ability to specify search scope (all videos, specific channel, specific playlist, date range)"],"input_types":["text (search query)","optional filters (channel, date range, video duration, language)"],"output_types":["structured data (ranked list of results with video metadata, snippet, timestamp)","text (aggregated summary of results by video or theme)"],"categories":["search-retrieval","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_transvribe__cap_3","uri":"capability://search.retrieval.free.tier.transcript.access.without.authentication","name":"free-tier transcript access without authentication","description":"Provides public access to transcript search functionality without requiring user registration, login, or API key management. Users can search YouTube transcripts immediately upon visiting the site, lowering the barrier to entry for casual researchers and students. The system likely implements rate limiting and quota management at the IP or session level rather than per-user, and may use YouTube's public transcript API or scrape publicly available captions rather than requiring OAuth authentication.","intents":["Quickly search a video transcript without signing up for an account or managing credentials","Share search results with peers without requiring them to create accounts","Prototype or test transcript search functionality before committing to a paid tier"],"best_for":["Students and educators with limited budgets or institutional support","Casual researchers who need one-off transcript searches","Teams evaluating the tool before purchasing enterprise licenses"],"limitations":["Rate limiting on free tier may restrict search frequency or result set size, making bulk research workflows impractical","No user accounts means no saved searches, bookmarks, or search history across sessions","Free tier may have lower priority in the system, resulting in slower response times during peak usage","No API access for free users—cannot programmatically integrate transcript search into external tools or workflows"],"requires":["Internet browser with JavaScript enabled","No authentication or API key required"],"input_types":["text (search query)","YouTube video URL or video ID"],"output_types":["HTML (search results page)","structured data (JSON results if API available)"],"categories":["search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_transvribe__cap_4","uri":"capability://search.retrieval.youtube.only.transcript.source.integration","name":"youtube-only transcript source integration","description":"Restricts indexing to YouTube videos exclusively, leveraging YouTube's Data API or public transcript endpoints to fetch caption data. The system does not support transcripts from other video platforms (Vimeo, Coursera, institutional LMS systems, etc.), limiting the corpus to YouTube's ecosystem. This architectural choice simplifies implementation by relying on a single, well-documented API surface, but creates a significant coverage gap for educational content hosted outside YouTube.","intents":["Search lecture videos published on YouTube channels","Index educational content from YouTube-based creators and institutions","Leverage YouTube's auto-caption generation for videos without manual transcripts"],"best_for":["Researchers working primarily with YouTube-hosted educational content","Educators using YouTube as their primary video distribution platform","Students accessing course content through YouTube channels"],"limitations":["Cannot index videos from Vimeo, Coursera, edX, institutional repositories, or other platforms—limits research scope for interdisciplinary work","Excludes proprietary or paywalled educational content hosted on non-YouTube platforms","No support for private or unlisted videos, even if user has access through institutional credentials","Dependent on YouTube's API availability and rate limits—service disruptions or API changes directly impact functionality"],"requires":["YouTube Data API access with appropriate quotas","Videos must be publicly accessible on YouTube"],"input_types":["YouTube video URL or video ID"],"output_types":["transcript data (text with timestamps)"],"categories":["search-retrieval","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":41,"verified":false,"data_access_risk":"high","permissions":["YouTube Data API access (requires Google Cloud project and quota allocation)","Internet connectivity to query YouTube and retrieve transcript data","Videos must have transcripts enabled (auto-generated or manual captions)","Transcript data with timestamp metadata for each caption segment","Video must support seeking/jumping to arbitrary timestamps (standard for YouTube)","Search index with multi-document query support","Ability to specify search scope (all videos, specific channel, specific playlist, date range)","Internet browser with JavaScript enabled","No authentication or API key required","YouTube Data API access with appropriate quotas"],"failure_modes":["Only indexes videos where transcripts are enabled—YouTube auto-generated captions have variable accuracy and may miss technical terminology, slang, or non-English speech","Cannot index videos with disabled transcripts or private/unlisted content, limiting coverage to publicly available videos with caption support","Search quality degrades on videos with poor audio quality or heavy accents where YouTube's speech-to-text produces garbled transcripts","No real-time indexing—newly uploaded videos may take hours or days to appear in search results depending on crawl frequency","Snippet quality depends on transcript accuracy—garbled or auto-generated captions may produce misleading context","Timestamp mapping assumes transcript timing data is accurate; desynchronized captions will cause users to jump to wrong moments in video","Context window size is fixed; may not be sufficient for complex concepts requiring longer explanation","Result ranking may be suboptimal if relevance scoring doesn't account for video quality, speaker authority, or recency","Searching across thousands of videos may return overwhelming result sets without effective filtering or faceting options","No deduplication of semantically identical content across videos—same concept explained identically in two videos appears as two separate results","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.36666666666666664,"quality":0.7300000000000001,"ecosystem":0.15000000000000002,"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":"2026-05-24T12:16:33.648Z","last_scraped_at":"2026-04-05T13:23:42.551Z","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=transvribe","compare_url":"https://unfragile.ai/compare?artifact=transvribe"}},"signature":"YTRHW47hZ3nZN8IwyLkSGJ9wCV5nGwNL4OHWIGjkKjNh47VEZxiSbWujR38XwXiFbfPsa9TstpmVDcWfQaqdAg==","signedAt":"2026-06-21T13:07:53.530Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/transvribe","artifact":"https://unfragile.ai/transvribe","verify":"https://unfragile.ai/api/v1/verify?slug=transvribe","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"}}