{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_mailyr","slug":"mailyr","name":"Mailyr","type":"product","url":"https://getmailyr.com","page_url":"https://unfragile.ai/mailyr","categories":["text-writing"],"tags":[],"pricing":{"model":"freemium","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_mailyr__cap_0","uri":"capability://text.generation.language.ai.powered.email.draft.generation.from.natural.language.prompts","name":"ai-powered email draft generation from natural language prompts","description":"Generates complete email drafts by accepting natural language instructions or context snippets, using a fine-tuned language model to compose professional or casual messages without requiring the user to write from scratch. The system likely tokenizes user input, passes it through a transformer-based model (possibly GPT-3.5 or similar), and returns formatted email text directly into Gmail's compose window via browser extension injection.","intents":["I need to write a professional response to a client inquiry but don't have time to compose it from scratch","Generate a follow-up email based on a brief outline of what I want to communicate","Create multiple draft variations of the same email to choose from"],"best_for":["Busy professionals handling high email volume (50+ emails/day)","Non-native English speakers who want grammatically polished output","Teams with repetitive email patterns (sales, support, HR)"],"limitations":["Struggles with nuanced, long-form emails requiring domain expertise or emotional intelligence","Tends toward generic phrasing that lacks personal voice or brand personality","No context awareness of previous email threads — generates in isolation","Limited to ~500 token output per draft, may truncate complex messages"],"requires":["Gmail account with active inbox","Chrome/Firefox browser with extension support","API key or authentication token for Mailyr backend","JavaScript enabled in browser"],"input_types":["natural language prompt (e.g., 'Write a professional rejection email')","email subject line","brief outline or bullet points","recipient context (optional)"],"output_types":["plain text email draft","HTML-formatted email (for Gmail rendering)","multiple draft variations"],"categories":["text-generation-language","email-productivity"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_mailyr__cap_1","uri":"capability://text.generation.language.dynamic.email.tone.adjustment.and.rewriting","name":"dynamic email tone adjustment and rewriting","description":"Transforms existing email drafts across multiple tonal registers (professional, casual, emphatic, formal, friendly) by re-prompting the language model with tone-specific instructions and constraints. The system likely maintains the semantic content while adjusting vocabulary, sentence structure, punctuation, and formality markers through a constrained decoding approach or separate fine-tuned tone-specific models.","intents":["I wrote a professional email but need it to sound more casual for this particular recipient","Convert a casual draft into formal language for executive communication","Adjust the urgency/emphasis level of an email without rewriting the core message"],"best_for":["Sales professionals managing relationships across different client personalities","Customer support teams needing to match customer tone (empathetic vs. direct)","Cross-cultural teams adapting formality levels for different regions"],"limitations":["Tone adjustment is surface-level (vocabulary/punctuation) and doesn't restructure arguments or add/remove content","May lose nuance or specific phrasing that was intentional in the original draft","Limited to predefined tone categories — no custom tone profiles","Doesn't account for recipient relationship history or communication preferences"],"requires":["Existing email draft (generated or user-written)","Selection of target tone from predefined options","API connectivity to Mailyr backend"],"input_types":["email text (draft or existing)","tone selector (professional/casual/emphatic/formal/friendly)"],"output_types":["rewritten email text in target tone","side-by-side comparison of original vs. adjusted version"],"categories":["text-generation-language","content-transformation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_mailyr__cap_2","uri":"capability://text.generation.language.gmail.thread.aware.email.response.suggestion","name":"gmail thread-aware email response suggestion","description":"Analyzes the current email thread (previous messages, sender, subject context) and suggests contextually appropriate responses by extracting thread history via Gmail API, embedding the conversation context, and passing it to the language model for response generation. The system likely uses a sliding window of recent messages (last 3-5 emails) to maintain coherence while respecting token limits.","intents":["Suggest a response to an email that references previous conversation context","Generate a follow-up reply that acknowledges what was said earlier without re-reading the thread","Maintain conversation continuity when responding to long email chains"],"best_for":["Customer support agents handling multi-turn conversations","Sales professionals managing ongoing deal negotiations","Team members responding to group email threads"],"limitations":["Only analyzes recent thread history (last 3-5 messages) — loses context from older emails","Cannot access attachments or file content referenced in emails","May generate responses that contradict earlier statements if thread context is incomplete","Requires Gmail API permissions which may trigger security warnings"],"requires":["Gmail account with API access enabled","Active email thread with at least one previous message","Mailyr extension with Gmail API permissions granted","JavaScript enabled for thread parsing"],"input_types":["email thread ID (extracted from Gmail)","sender information","subject line","previous message bodies (last N messages)"],"output_types":["contextually aware response draft","multiple response variations with different approaches"],"categories":["text-generation-language","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_mailyr__cap_3","uri":"capability://automation.workflow.freemium.tier.with.limited.daily.draft.generation.quota","name":"freemium tier with limited daily draft generation quota","description":"Implements a usage-based freemium model where free users receive a daily allowance of AI-generated drafts (likely 5-10 per day) before hitting a paywall, tracked via user authentication and backend quota management. The system uses a simple counter mechanism tied to user ID and calendar day, with upgrade prompts triggered when quota is exhausted.","intents":["Test Mailyr's email generation quality before committing to paid subscription","Use Mailyr for occasional email help without paying for a subscription","Understand the value proposition before deciding if premium features justify the cost"],"best_for":["Individual professionals evaluating email AI tools","Occasional email writers who don't need daily assistance","Teams piloting Mailyr before enterprise rollout"],"limitations":["Daily quota resets at midnight (timezone handling may be ambiguous)","No rollover of unused quota to next day","Free tier lacks advanced features like scheduling, follow-up automation, or CRM integration","Quota limits may be insufficient for high-volume email senders (sales teams, support)"],"requires":["Gmail account","Mailyr account creation (email/password or OAuth)","Browser extension installed and authenticated"],"input_types":["user authentication token","draft generation request"],"output_types":["draft generation (if quota available)","quota exceeded message with upgrade prompt"],"categories":["automation-workflow","business-model"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_mailyr__cap_4","uri":"capability://tool.use.integration.browser.extension.based.gmail.integration.without.context.switching","name":"browser extension-based gmail integration without context switching","description":"Deploys Mailyr as a Chrome/Firefox extension that injects UI elements (buttons, sidebars, modals) directly into Gmail's compose interface, enabling draft generation and tone adjustment without leaving Gmail or opening a separate application. The extension communicates with Mailyr's backend API via secure HTTPS requests and uses Gmail's DOM structure to identify compose windows and inject responses.","intents":["Generate email drafts without switching to another app or browser tab","Adjust email tone while composing without losing focus on Gmail","Maintain workflow continuity by keeping all email operations in one place"],"best_for":["Gmail power users who spend 4+ hours daily in Gmail","Professionals who value workflow continuity and minimize context-switching","Teams using Gmail as their primary communication platform"],"limitations":["Extension requires browser permissions that may trigger security warnings","Dependent on Gmail's DOM structure — breaks if Gmail's UI changes significantly","No support for Gmail's mobile app (only web version)","May conflict with other Gmail extensions (e.g., Superhuman, Boomerang)","Requires browser restart after installation/updates"],"requires":["Chrome 90+ or Firefox 88+","Gmail account with web access","Extension permissions for 'mail.google.com' domain","JavaScript enabled in browser"],"input_types":["Gmail compose window DOM elements","user interactions (button clicks, text selection)"],"output_types":["injected UI elements (buttons, modals, sidebars)","draft text inserted into Gmail's compose field"],"categories":["tool-use-integration","browser-extension"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_mailyr__cap_5","uri":"capability://text.generation.language.multi.variant.email.draft.generation.with.a.b.comparison","name":"multi-variant email draft generation with a/b comparison","description":"Generates multiple variations of the same email (typically 2-3 versions) with different approaches, tones, or structures, presenting them side-by-side for user selection. The system likely uses temperature/sampling parameters or separate prompts to create stylistic variation while maintaining semantic consistency, allowing users to compare and choose the best fit.","intents":["Compare different approaches to the same email (direct vs. diplomatic, brief vs. detailed)","See multiple tone variations without manually rewriting","Choose the version that best matches my communication style"],"best_for":["Sales professionals A/B testing email approaches","Managers crafting sensitive communications (feedback, terminations, negotiations)","Non-native English speakers who want to compare phrasing options"],"limitations":["Generating multiple variants increases API latency (2-3x slower than single draft)","Variants may be too similar or too different, lacking a 'Goldilocks' middle ground","No statistical tracking of which variants perform better (open rates, response rates)","Comparison UI may be cluttered if variants are long (500+ tokens)"],"requires":["Mailyr API with multi-variant generation support","Sufficient quota (may consume multiple quota units per request)"],"input_types":["email prompt or context","number of variants requested (typically 2-3)"],"output_types":["array of email draft variations","side-by-side comparison UI","metadata on each variant (tone, length, approach)"],"categories":["text-generation-language","content-optimization"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":39,"verified":false,"data_access_risk":"high","permissions":["Gmail account with active inbox","Chrome/Firefox browser with extension support","API key or authentication token for Mailyr backend","JavaScript enabled in browser","Existing email draft (generated or user-written)","Selection of target tone from predefined options","API connectivity to Mailyr backend","Gmail account with API access enabled","Active email thread with at least one previous message","Mailyr extension with Gmail API permissions granted"],"failure_modes":["Struggles with nuanced, long-form emails requiring domain expertise or emotional intelligence","Tends toward generic phrasing that lacks personal voice or brand personality","No context awareness of previous email threads — generates in isolation","Limited to ~500 token output per draft, may truncate complex messages","Tone adjustment is surface-level (vocabulary/punctuation) and doesn't restructure arguments or add/remove content","May lose nuance or specific phrasing that was intentional in the original draft","Limited to predefined tone categories — no custom tone profiles","Doesn't account for recipient relationship history or communication preferences","Only analyzes recent thread history (last 3-5 messages) — loses context from older emails","Cannot access attachments or file content referenced in emails","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.31666666666666665,"quality":0.67,"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":"2026-05-24T12:16:31.857Z","last_scraped_at":"2026-04-05T13:23:42.560Z","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=mailyr","compare_url":"https://unfragile.ai/compare?artifact=mailyr"}},"signature":"XSod6lt9MqhDctn/ImayOEA4yYaZ3Oz/eU6rqzMo+Y6154S3i+FjvTxpf/tq2CbYukLb2RwgErmcqmEIHqyWAg==","signedAt":"2026-06-21T07:21:14.522Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/mailyr","artifact":"https://unfragile.ai/mailyr","verify":"https://unfragile.ai/api/v1/verify?slug=mailyr","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"}}