{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_voiceline","slug":"voiceline","name":"Voiceline","type":"product","url":"https://getvoiceline.com","page_url":"https://unfragile.ai/voiceline","categories":["automation"],"tags":[],"pricing":{"model":"freemium","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_voiceline__cap_0","uri":"capability://tool.use.integration.native.platform.voice.note.embedding","name":"native-platform-voice-note-embedding","description":"Embeds voice recording and playback directly into third-party platforms (Slack, Notion, Gmail, Linear) via native integrations rather than requiring users to switch contexts or use external apps. Implements platform-specific SDKs and APIs to inject recording widgets into message composition interfaces and render playback controls inline with existing content, maintaining visual and interaction consistency with each platform's design language.","intents":["Record a voice note without leaving Slack and have it appear as a native message","Drop a voice memo into a Notion page without copying/pasting external links","Send voice feedback via Gmail while staying in the compose window","Attach voice context to a Linear issue without breaking workflow"],"best_for":["Distributed remote teams using Slack as primary communication hub","Async-first companies with heavy Notion/Linear usage","Solo founders and small teams (<20 people) avoiding tool proliferation"],"limitations":["Integration breadth limited to 4 major platforms; no support for Microsoft Teams, Discord, or Asana","Playback quality and codec support varies by platform's native audio handling","Platform API rate limits and permission scopes may restrict recording frequency or file size","Requires active maintenance as third-party platforms update their APIs and SDKs"],"requires":["Active account on at least one supported platform (Slack, Notion, Gmail, or Linear)","Browser with Web Audio API support (Chrome 25+, Firefox 25+, Safari 14.1+)","Microphone permissions granted at OS and browser level"],"input_types":["audio stream from microphone","platform-specific authentication tokens"],"output_types":["embedded audio file (MP3 or WebM)","platform-native message or block element","transcription text (optional)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_1","uri":"capability://data.processing.analysis.voice.to.text.transcription.with.platform.indexing","name":"voice-to-text-transcription-with-platform-indexing","description":"Automatically transcribes recorded voice notes to searchable text and indexes transcriptions within each platform's native search infrastructure (Slack message search, Notion full-text search, Gmail search). Uses speech-to-text API (likely Deepgram, Whisper, or proprietary model) to generate transcripts asynchronously, then syncs metadata and text content back to the platform so voice notes appear in search results alongside written messages.","intents":["Search for a voice note by keyword across all Slack channels without remembering who recorded it","Find a specific piece of feedback mentioned in a voice memo buried in a Notion database","Locate a voice-recorded decision from an email thread using Gmail's search","Discover voice context attached to a Linear issue by searching issue descriptions"],"best_for":["Teams with high async communication volume (50+ voice notes/week) who need discoverability","Knowledge-heavy organizations (consulting, product, design) where voice context must be retrievable","Non-native English speakers who benefit from transcripts for clarity and accessibility"],"limitations":["Transcription accuracy depends on audio quality, background noise, and speaker accent; no public SLA disclosed","Multilingual support unclear from documentation; likely limited to English with possible partial support for major languages","Transcription latency (typically 30-120 seconds) means voice notes aren't immediately searchable","Platform search indexing delays vary; Slack may index within seconds, Notion within minutes","No speaker diarization or multi-speaker identification in transcripts"],"requires":["Voice note recorded with minimum 16kHz sample rate and <30dB background noise for optimal accuracy","Platform search feature enabled and indexed (default for Slack, Notion, Gmail, Linear)","Transcription service API key or quota (if using third-party STT provider)"],"input_types":["audio file (MP3, WebM, WAV)","audio metadata (duration, speaker, timestamp)"],"output_types":["plain text transcript","searchable metadata (speaker name, timestamp, platform)","confidence scores per phrase (optional)"],"categories":["data-processing-analysis","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_10","uri":"capability://data.processing.analysis.voice.note.analytics.and.engagement.tracking","name":"voice-note-analytics-and-engagement-tracking","description":"Tracks engagement metrics for voice notes (play count, listen duration, listener identities, seek patterns) and provides analytics dashboards or reports showing which voice notes are most engaged with and who is consuming voice content. Implements event tracking at playback time and syncs data with platform-native analytics where available (Slack file analytics, Notion page analytics, Gmail open tracking, Linear file access logs).","intents":["See how many team members have listened to a voice note I recorded in Slack","Understand which voice feedback is most valuable by tracking listen duration and engagement","Identify team members who are not engaging with voice notes and may need training","Track trends in voice note consumption over time to measure adoption"],"best_for":["Teams measuring adoption of voice communication and wanting to understand engagement","Product and design teams using voice feedback loops and wanting to prioritize feedback by engagement","Managers tracking team communication patterns and identifying communication gaps"],"limitations":["Analytics are not mentioned in public documentation; unclear if this capability exists or is planned","Analytics granularity may be limited by platform-native tracking capabilities","Privacy concerns may limit tracking of individual listener identities (GDPR, CCPA compliance)","No built-in analytics dashboard; may require exporting data to external analytics tools","Seek pattern tracking may not be available on all platforms (mobile clients may not support this)"],"requires":["Event tracking infrastructure (analytics backend)","User consent for tracking (privacy compliance)","Platform support for file access logging (all 4 platforms have basic logging)"],"input_types":["playback events (play, pause, seek, stop)","listener identity (user ID, email)","timestamp and duration"],"output_types":["engagement metrics (play count, listen duration, listener list)","analytics dashboard or report","trend data (adoption over time)"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_2","uri":"capability://automation.workflow.asynchronous.voice.message.threading","name":"asynchronous-voice-message-threading","description":"Enables voice notes to be threaded and replied-to within platform conversation structures (Slack threads, Notion comment threads, Gmail reply chains, Linear issue comments) rather than existing as isolated files. Implements platform-specific threading APIs to nest voice notes and text replies in chronological conversation flows, preserving context and enabling multi-turn async dialogue with tone and nuance captured in voice.","intents":["Record a voice note in a Slack thread and have teammates reply with their own voice notes in the same thread","Add voice feedback to a Notion page comment thread and see it nested with text replies","Send a voice message in a Gmail reply chain that maintains conversation history","Attach voice context to a Linear issue comment and have it appear in the issue's activity feed"],"best_for":["Async-first teams that need to preserve conversation context without real-time meetings","Distributed teams across 3+ time zones where written-only communication feels impersonal","Product and design teams using voice feedback loops for iterative critique"],"limitations":["Threading depth and nesting limits vary by platform (Slack threads can become unwieldy beyond 50 messages)","No built-in voice-to-voice conversation markers; users must manually track who is responding to whom","Mobile clients may have reduced threading UI, making long voice conversations harder to follow on phone","No automatic conversation summarization; long voice threads require manual review to extract decisions"],"requires":["Platform support for threaded conversations (all 4 supported platforms have this)","User permissions to create and reply in threads (default for most workspace roles)"],"input_types":["audio stream (voice note)","text reply (optional)","thread ID or parent message reference"],"output_types":["threaded message with embedded audio","conversation transcript (optional)","thread metadata (participant list, message count)"],"categories":["automation-workflow","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_3","uri":"capability://automation.workflow.freemium.quota.based.recording.limits","name":"freemium-quota-based-recording-limits","description":"Implements a freemium pricing model with generous free-tier recording limits (specific quota unknown from public docs, but described as 'generous') that scales to paid tiers for higher-volume users. Tracks per-user or per-workspace recording minutes/count and enforces soft limits (warnings) or hard limits (blocking) when quotas are exceeded, with upgrade prompts to paid plans. Uses metering infrastructure to count recordings, transcriptions, and storage usage across all integrated platforms.","intents":["Use VoiceLine for free as a solo developer or small team without upfront commitment","Understand when I'm approaching my free tier limit and what paid tier I need","Scale from free to paid as my team grows without re-architecting my workflow","Forecast costs for a 50-person team based on expected voice note volume"],"best_for":["Solo developers and indie hackers testing async communication workflows","Early-stage startups (<10 people) with limited budget for communication tools","Teams evaluating VoiceLine before committing to paid plans"],"limitations":["Pricing ceiling and feature differentiation between tiers not publicly documented, making cost forecasting impossible","Free tier quota not specified; unclear if limits are per-user, per-workspace, or per-month","No public information on whether transcription or storage are metered separately or included in recording limits","Upgrade path and billing mechanics (monthly/annual, per-seat, per-workspace) unclear","No disclosed SLA or uptime guarantee for free tier (may have lower priority than paid)"],"requires":["Email address to create VoiceLine account","Active workspace or account on at least one supported platform (Slack, Notion, Gmail, Linear)"],"input_types":["user identity (email, workspace ID)","usage metrics (recording count, transcription count, storage bytes)"],"output_types":["quota status (remaining minutes/recordings)","upgrade prompt or paywall","billing information (if paid)"],"categories":["automation-workflow","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_4","uri":"capability://tool.use.integration.cross.platform.voice.note.synchronization","name":"cross-platform-voice-note-synchronization","description":"Synchronizes voice notes and their metadata (transcripts, timestamps, speaker info) across multiple integrated platforms so a single recording can be referenced or embedded in multiple tools without re-recording. Implements a central VoiceLine database that stores voice files and metadata, then syncs references and transcripts to each platform's native storage (Slack file storage, Notion database, Gmail attachments, Linear file uploads) via platform-specific APIs, maintaining consistency across platforms.","intents":["Record a voice note once in Slack and automatically have it available to reference in Notion and Linear","Share a voice memo across multiple Slack channels without re-recording","Ensure transcripts stay in sync if I update a note's metadata in one platform","Archive or delete a voice note and have it removed from all platforms simultaneously"],"best_for":["Teams using 3+ integrated platforms simultaneously (e.g., Slack + Notion + Linear)","Organizations with complex information architecture where the same context needs to be referenced in multiple tools","Async-first teams that need to avoid duplicating voice context across platforms"],"limitations":["Synchronization latency varies by platform; Slack may sync within seconds, Notion within minutes","No conflict resolution if a voice note is edited in multiple platforms simultaneously","Storage quota is platform-specific; syncing to Slack may count against Slack's file storage limits","Deletion propagation may be asynchronous; voice notes may remain in one platform's cache temporarily after deletion","No built-in versioning or rollback if a voice note is corrupted during sync"],"requires":["Active accounts on at least 2 of the 4 supported platforms","OAuth or API token authentication for each platform","Sufficient storage quota on each platform to accommodate synced files"],"input_types":["audio file (MP3, WebM)","metadata (transcript, timestamp, speaker)","platform identifiers (Slack channel ID, Notion page ID, etc.)"],"output_types":["synced audio file references across platforms","consistent metadata (transcript, timestamp) across platforms","sync status and error logs"],"categories":["tool-use-integration","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_5","uri":"capability://safety.moderation.voice.note.permission.and.access.control","name":"voice-note-permission-and-access-control","description":"Implements granular permission controls for voice notes that respect each platform's native access model (Slack channel visibility, Notion page sharing, Gmail recipient list, Linear issue permissions). Voice notes inherit permissions from their parent context (e.g., a voice note in a private Slack channel is only accessible to channel members), and VoiceLine enforces these permissions at playback and transcription access time via platform-specific permission checks.","intents":["Record a voice note in a private Slack channel and ensure only channel members can play it back","Share a voice note in a Notion page with specific collaborators without exposing it to the entire workspace","Send a voice memo via Gmail to specific recipients and prevent forwarding to others","Attach voice feedback to a Linear issue and ensure only issue watchers can access it"],"best_for":["Organizations with sensitive information (legal, financial, HR) that need fine-grained access control","Teams with mixed public/private channels or pages where voice context must respect visibility boundaries","Enterprises with compliance requirements (SOC 2, HIPAA, GDPR) that need audit trails for voice access"],"limitations":["Permission model is platform-dependent; no unified permission abstraction across all 4 platforms","No granular per-note permissions (e.g., can't restrict a single voice note within a public channel)","Transcripts may be cached in VoiceLine's backend; unclear if access control extends to cached transcripts","No audit logging for who accessed or played back voice notes (may be required for compliance)","Permission changes on the platform may not immediately revoke access to cached voice files"],"requires":["Platform-native permission model (all 4 supported platforms have this)","User authentication and authorization tokens for each platform","VoiceLine backend access to platform permission APIs (may require elevated API scopes)"],"input_types":["voice note metadata (platform, parent context ID)","user identity (email, workspace ID)","platform permission tokens"],"output_types":["access decision (allow/deny playback)","access logs (optional)","permission error messages"],"categories":["safety-moderation","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_6","uri":"capability://tool.use.integration.voice.note.playback.with.platform.native.controls","name":"voice-note-playback-with-platform-native-controls","description":"Renders voice note playback using platform-native audio players embedded in each tool's interface (Slack message attachments, Notion embeds, Gmail inline players, Linear file previews) rather than requiring users to download files or open external players. Implements platform-specific player SDKs and HTML5 audio APIs to provide play/pause, seek, speed control, and volume adjustment within each platform's UI, maintaining visual consistency and reducing friction.","intents":["Play a voice note directly in Slack without downloading or opening a separate app","Listen to voice feedback embedded in a Notion page while reading text comments","Adjust playback speed in Gmail to listen to a voice memo faster","Seek to a specific timestamp in a voice note attached to a Linear issue"],"best_for":["Teams that want frictionless voice consumption without context-switching","Users on slower connections who benefit from speed control to save time","Accessibility-focused teams that need native player controls for keyboard navigation"],"limitations":["Playback quality depends on platform's audio codec support; some platforms may not support all audio formats","Speed control may not be available on all platforms (Notion embeds may lack this feature)","Seek functionality may be limited by platform's file streaming capabilities","Mobile clients may have reduced player UI or limited control options","No built-in transcript sync (highlighting transcript text as audio plays) on most platforms"],"requires":["Browser with HTML5 audio API support (all modern browsers)","Platform support for embedded audio players (all 4 supported platforms have this)","Audio file in a supported codec (MP3, WebM, WAV)"],"input_types":["audio file URL or stream","audio metadata (duration, codec, bitrate)"],"output_types":["embedded audio player UI","playback events (play, pause, seek, speed change)","playback analytics (optional)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_7","uri":"capability://data.processing.analysis.voice.note.metadata.and.tagging","name":"voice-note-metadata-and-tagging","description":"Captures and stores metadata for each voice note (speaker name, timestamp, duration, tags, description) and enables users to add custom tags and descriptions for organization and retrieval. Metadata is synced to each platform's native metadata systems (Slack file descriptions, Notion database properties, Gmail labels, Linear custom fields) where possible, enabling filtering and sorting within platform-native interfaces.","intents":["Tag a voice note as 'feedback', 'decision', or 'action-item' and filter by tag in Slack","Add a description to a voice note in Notion and have it appear in the database property view","Label a voice memo in Gmail and use Gmail's label filters to find it later","Add custom fields to a voice note in Linear (e.g., 'priority', 'assignee') and sort by those fields"],"best_for":["Teams with high voice note volume (50+ notes/week) that need organization beyond search","Knowledge-heavy teams (product, design, research) that need to categorize voice feedback by type","Organizations with structured metadata requirements (compliance, audit, knowledge management)"],"limitations":["Metadata schema is platform-specific; no unified metadata model across all 4 platforms","Custom tags may not sync bidirectionally; changes in VoiceLine may not update platform tags and vice versa","Platform-specific metadata limits (e.g., Slack file descriptions have character limits)","No built-in metadata templates or standardized tagging taxonomy","Metadata search may be limited to platform-native search (no cross-platform metadata search)"],"requires":["Platform support for file metadata (all 4 supported platforms have this)","User permissions to edit file metadata on each platform"],"input_types":["voice note metadata (speaker, timestamp, duration)","custom tags (user-defined strings)","description text"],"output_types":["metadata object (JSON or platform-specific format)","synced metadata in platform-native systems","metadata for search and filtering"],"categories":["data-processing-analysis","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_8","uri":"capability://tool.use.integration.voice.note.sharing.and.collaboration","name":"voice-note-sharing-and-collaboration","description":"Enables users to share voice notes with specific collaborators or teams via platform-native sharing mechanisms (Slack @mentions, Notion share links, Gmail forwarding, Linear issue assignment). Implements platform-specific sharing APIs to generate shareable links, manage access permissions, and track who has accessed or interacted with shared voice notes, maintaining audit trails for collaboration.","intents":["Share a voice note with a specific team member via Slack @mention and see when they've listened","Generate a shareable Notion link to a voice note and send it to external stakeholders","Forward a voice memo via Gmail to a colleague and track if they've played it back","Assign a voice note to a team member in Linear and have it appear in their task list"],"best_for":["Distributed teams that need to share context asynchronously without scheduling calls","Cross-functional teams (product, design, engineering) that need to share feedback across silos","Organizations with external stakeholders (clients, partners) that need to share voice context securely"],"limitations":["Sharing granularity is platform-dependent; no unified sharing model across all 4 platforms","Shareable links may have expiration or access limits that vary by platform","No built-in sharing analytics (e.g., who listened, when, for how long) beyond platform-native tracking","Sharing to external users may require additional permissions or API scopes","No built-in notification system for shared voice notes (relies on platform-native notifications)"],"requires":["Platform support for sharing (all 4 supported platforms have this)","User permissions to share files or messages on each platform","Recipient email or user ID on the platform"],"input_types":["voice note ID","recipient user ID or email","sharing permissions (view, listen, edit)"],"output_types":["shareable link or message","sharing confirmation","access logs (optional)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_voiceline__cap_9","uri":"capability://automation.workflow.voice.note.storage.and.retention","name":"voice-note-storage-and-retention","description":"Stores voice note files in a backend storage system (likely cloud storage like S3 or GCS) and implements retention policies that can be configured per-workspace or per-platform. Implements automatic deletion after a configurable retention period (e.g., 30 days, 1 year) or manual deletion on-demand, with optional archival to cheaper storage tiers for long-term retention. Syncs storage state with each platform to ensure deleted notes are removed from platform-native storage as well.","intents":["Configure a retention policy to automatically delete voice notes after 30 days to save storage costs","Archive old voice notes to cheaper storage and retrieve them if needed later","Manually delete a voice note and ensure it's removed from all platforms simultaneously","Monitor storage usage and understand how much voice data I'm storing"],"best_for":["Teams with high voice note volume that need to manage storage costs","Organizations with data retention requirements (compliance, privacy) that need automatic deletion","Long-term teams that need archival capabilities for historical voice context"],"limitations":["Retention policies are not publicly documented; unclear if they're configurable or fixed","Storage costs are not disclosed; unclear if storage is included in free tier or metered separately","No public information on storage tiers or archival mechanisms","Deletion may be asynchronous; voice notes may remain in platform caches temporarily after deletion","No built-in export or backup mechanism for voice notes before deletion"],"requires":["Backend storage infrastructure (cloud storage provider)","Retention policy configuration (if configurable)"],"input_types":["voice note file","retention policy (duration, action)","storage tier preference (hot, cold, archive)"],"output_types":["storage location (S3 URL, GCS bucket, etc.)","storage metadata (size, creation date, expiration date)","deletion confirmation"],"categories":["automation-workflow","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":41,"verified":false,"data_access_risk":"high","permissions":["Active account on at least one supported platform (Slack, Notion, Gmail, or Linear)","Browser with Web Audio API support (Chrome 25+, Firefox 25+, Safari 14.1+)","Microphone permissions granted at OS and browser level","Voice note recorded with minimum 16kHz sample rate and <30dB background noise for optimal accuracy","Platform search feature enabled and indexed (default for Slack, Notion, Gmail, Linear)","Transcription service API key or quota (if using third-party STT provider)","Event tracking infrastructure (analytics backend)","User consent for tracking (privacy compliance)","Platform support for file access logging (all 4 platforms have basic logging)","Platform support for threaded conversations (all 4 supported platforms have this)"],"failure_modes":["Integration breadth limited to 4 major platforms; no support for Microsoft Teams, Discord, or Asana","Playback quality and codec support varies by platform's native audio handling","Platform API rate limits and permission scopes may restrict recording frequency or file size","Requires active maintenance as third-party platforms update their APIs and SDKs","Transcription accuracy depends on audio quality, background noise, and speaker accent; no public SLA disclosed","Multilingual support unclear from documentation; likely limited to English with possible partial support for major languages","Transcription latency (typically 30-120 seconds) means voice notes aren't immediately searchable","Platform search indexing delays vary; Slack may index within seconds, Notion within minutes","No speaker diarization or multi-speaker identification in transcripts","Analytics are not mentioned in public documentation; unclear if this capability exists or is planned","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.31666666666666665,"quality":0.72,"ecosystem":0.15000000000000002,"match_graph":0.25,"freshness":0.9,"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":"2026-05-24T12:16:34.117Z","last_scraped_at":"2026-04-05T13:23:42.559Z","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=voiceline","compare_url":"https://unfragile.ai/compare?artifact=voiceline"}},"signature":"9q21HPvxfVIeibfOvHkVBt2cNZQrv+0tTe1q1/8ocPHxE9yGeObntd0acGZhvgqbwLxDv7rmtlAfupfF6MpNCA==","signedAt":"2026-06-18T04:43:27.636Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/voiceline","artifact":"https://unfragile.ai/voiceline","verify":"https://unfragile.ai/api/v1/verify?slug=voiceline","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"}}