{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_corrector-app","slug":"corrector-app","name":"Corrector App","type":"product","url":"https://corrector.app","page_url":"https://unfragile.ai/corrector-app","categories":["text-writing"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_corrector-app__cap_0","uri":"capability://text.generation.language.multilingual.grammar.and.spelling.correction.with.rule.based.detection","name":"multilingual grammar and spelling correction with rule-based detection","description":"Analyzes plain text input against a rule-based grammar engine (likely LanguageTool) to identify and highlight spelling errors, grammar mistakes, and punctuation issues across 34 language variants. The system processes text server-side (processing model unverified) and returns inline corrections with clickable alternatives, allowing users to accept or reject suggestions without modifying the original text structure. No neural language model involvement is documented despite marketing claims of 'AI corrections'—the underlying engine appears to use statistical and rule-based pattern matching rather than transformer-based models.","intents":["I need to quickly check grammar and spelling in text I've written without installing browser extensions or paying subscription fees","I'm writing in a non-English language and need reliable corrections across multiple language variants (e.g., British vs. American English)","I want to understand why a correction was suggested before accepting it, with explanations for each error type","I need to process short-form content (emails, social posts, brief documents) without complex integrations"],"best_for":["multilingual writers and non-native English speakers who prioritize language coverage over advanced style analysis","casual users and students who need free grammar checking without subscription friction","professionals writing in 25+ languages who cannot rely on English-only tools like Grammaly"],"limitations":["Hard character limit of 15,000 characters per submission enforced in UI—cannot process long-form documents or books in single pass","No context awareness for nuanced tone, domain-specific terminology, or industry jargon—treats all text with generic grammar rules","Rule-based approach struggles with ambiguous constructions, creative writing, and non-standard dialects that fall outside predefined patterns","No batch processing or document upload—users must manually copy-paste text, creating friction for high-volume workflows","Processing latency unspecified despite 'real-time' marketing claim—actual response time unknown"],"requires":["Web browser with JavaScript enabled","Internet connection (server-side processing required)","Plain text input only—no support for .docx, .pdf, .md, or formatted documents","Manual language selection from dropdown (no auto-detection documented)"],"input_types":["plain text (UTF-8)","up to 15,000 characters per submission"],"output_types":["inline highlighted corrections with alternative suggestions","error explanations (claimed but not demonstrated in documentation)","structured error metadata (error type, position, alternatives)"],"categories":["text-generation-language","grammar-checking","multilingual-support"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_1","uri":"capability://text.generation.language.real.time.inline.correction.suggestion.and.acceptance.workflow","name":"real-time inline correction suggestion and acceptance workflow","description":"Implements a click-to-accept correction UI pattern where users view highlighted errors inline and select from alternative suggestions without leaving the text editor. The system preserves original text structure while allowing granular acceptance/rejection of individual corrections. Implementation details (client-side vs. server-side rendering, debouncing strategy, state management) are undocumented, but the workflow suggests either server-side analysis with client-side rendering or hybrid processing with caching.","intents":["I want to see corrections highlighted in context without losing my original text or having to navigate to a separate review interface","I need to selectively accept some corrections while rejecting others based on my writing intent or style preferences","I want immediate visual feedback when I make changes to see if corrections update in real-time"],"best_for":["writers who prefer iterative, incremental editing over batch correction workflows","users who need to maintain control over which suggestions to apply (avoiding over-correction)","professionals who cannot afford context-switching to separate grammar-checking tools"],"limitations":["No undo/redo functionality documented—users cannot revert accepted corrections within the app","No correction history or change tracking—cannot see what was changed or revert to previous versions","Single-submission workflow—cannot save drafts or work on multiple documents simultaneously within the app","No custom rules or whitelist—cannot train the system to ignore false positives for domain-specific terminology","Latency of suggestion updates unknown—'real-time' claim unquantified with no SLA documentation"],"requires":["Web browser with JavaScript enabled for interactive UI","Text input via textarea (max 15,000 characters)","Manual language selection before analysis begins"],"input_types":["plain text pasted into textarea"],"output_types":["inline highlighted corrections with clickable alternatives","visual feedback on acceptance/rejection (UI state change)"],"categories":["text-generation-language","user-interface-interaction"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_2","uri":"capability://text.generation.language.34.language.variant.support.with.regional.dialect.coverage","name":"34-language variant support with regional dialect coverage","description":"Supports grammar and spelling correction across 34 language variants including 6 English regional variants (US, Australia, Great Britain, Canada, South Africa, New Zealand), 18 European languages, 6 Asian languages (Chinese, Japanese, Tagalog, Tamil, Khmer), Arabic, and Persian. Language selection is manual via dropdown menu; no auto-detection is documented. Each language variant uses language-specific rule sets (likely from LanguageTool's language modules) to identify region-specific spelling conventions, grammar patterns, and punctuation rules.","intents":["I need to check text in a specific regional English variant (e.g., British vs. American spelling conventions)","I'm writing in a non-European language and need reliable grammar checking without relying on English-only tools","I work with multilingual teams and need a single tool that covers 25+ languages without switching between applications"],"best_for":["international teams and organizations with multilingual content needs","non-native English speakers who need corrections in their native language","publishers and content creators serving global audiences with regional language variants"],"limitations":["No auto-language detection—users must manually select language from dropdown, creating friction for multilingual documents","Language coverage is uneven—34 variants documented but description claims '25+ languages' (discrepancy unexplained)","Asian language support (Chinese, Japanese, Tagalog, Tamil, Khmer) may be limited compared to European languages due to different grammar rule complexity","No mixed-language support—cannot process code-switched text or documents with multiple languages in single submission","Regional variants are limited to English—other languages do not offer regional sub-variants (e.g., no Brazilian vs. European Portuguese distinction documented)"],"requires":["Manual language selection from supported list before analysis","UTF-8 text encoding for non-Latin scripts (Arabic, Chinese, Japanese, etc.)","Internet connection for server-side language-specific rule processing"],"input_types":["plain text in any of 34 supported language variants"],"output_types":["corrections formatted according to language-specific grammar rules"],"categories":["text-generation-language","internationalization"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_3","uri":"capability://text.generation.language.error.explanation.and.correction.reasoning","name":"error explanation and correction reasoning","description":"Claims to provide explanations for identified errors (spelling, grammar, punctuation) to help users understand why a correction was suggested. The documentation states this capability exists but provides no implementation details, examples, or technical approach. It is unclear whether explanations are generated dynamically, retrieved from a rule database, or templated based on error type. This capability is UNVERIFIED and may be marketing language without substantive implementation.","intents":["I want to understand the grammar rule behind a correction suggestion so I can learn and avoid the mistake in future writing","I need to verify that a correction is legitimate before accepting it, especially for ambiguous or stylistic suggestions","I'm teaching English or another language and want to use this tool to explain errors to students"],"best_for":["language learners who want to improve their grammar knowledge through feedback","educators using the tool as a teaching aid to explain grammar rules to students","professional writers who need to justify corrections to editors or collaborators"],"limitations":["Explanation capability is CLAIMED but UNVERIFIED—no documentation, examples, or UI screenshots provided","Explanation depth and quality unknown—unclear whether explanations are rule-based templates or generated dynamically","No indication of explanation language—unclear if explanations are provided in user's native language or English only","No customization of explanation detail level—cannot request simplified or advanced explanations","Explanation accuracy unverified—no user feedback or quality metrics documented"],"requires":["Correction suggestion to be generated first (dependent on grammar detection capability)","User interaction to view explanation (click or hover action, implementation unknown)"],"input_types":["correction suggestion from grammar detection engine"],"output_types":["text explanation of error type and correction reasoning (format and length unknown)"],"categories":["text-generation-language","education"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_4","uri":"capability://text.generation.language.free.zero.paywall.text.correction.service.with.no.account.requirement","name":"free, zero-paywall text correction service with no account requirement","description":"Provides unlimited grammar and spelling corrections across all 34 language variants without requiring account creation, subscription payment, or feature gates. The entire feature set (error detection, suggestions, explanations) is available at no cost. No premium tier, API pricing, or enterprise licensing is documented. The business model and revenue strategy are undocumented, suggesting either venture-backed sustainability, LanguageTool sponsorship, or undisclosed monetization.","intents":["I need grammar checking without paying subscription fees or dealing with freemium paywalls","I want to use a grammar tool without creating an account or providing personal information","I need to test a grammar-checking tool before committing to a paid alternative like Grammarly"],"best_for":["budget-conscious users, students, and casual writers who cannot afford subscription tools","users in countries where subscription payment is difficult or expensive (150+ countries mentioned)","organizations evaluating grammar-checking tools before enterprise licensing decisions"],"limitations":["No documented rate limiting or usage quotas—unclear if unlimited submissions are truly unlimited or if hidden caps exist","No premium tier or upgrade path—cannot access advanced features (if they exist) through paid subscription","No data persistence or account history—corrections are not saved, preventing workflow continuity across sessions","No API access or programmatic integration—cannot build on top of the service or integrate into custom applications","Business model sustainability unknown—free service may be discontinued without notice if funding dries up","No SLA or uptime guarantee—no commitment to service availability or performance"],"requires":["Web browser with internet connection","No account creation, API key, or payment information required"],"input_types":["plain text via web textarea"],"output_types":["corrections and suggestions (no persistent output or export)"],"categories":["text-generation-language","pricing-model"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_5","uri":"capability://text.generation.language.web.based.textarea.input.with.character.limit.enforcement","name":"web-based textarea input with character limit enforcement","description":"Accepts plain text input via a web-based textarea element with a hard maximum of 15,000 characters per submission. The character limit is enforced in the UI (users cannot paste or type beyond the limit). Text is submitted for server-side analysis after language selection. No document upload, file import, or drag-and-drop functionality is documented. The textarea is stateless—no draft saving, auto-save, or session persistence is mentioned.","intents":["I need to paste text from another application and quickly check it for grammar without installing extensions or uploading files","I'm working with short-form content (emails, social posts, brief articles) that fits within character limits","I want a simple, friction-free interface without complex file management or account setup"],"best_for":["users processing short-form content (emails, tweets, brief articles, product descriptions)","casual users who prefer simplicity over advanced features","users on restricted networks or devices where file upload is blocked"],"limitations":["Hard 15,000-character limit prevents processing of long-form documents, books, or research papers in single submission","No document upload or file import—users must manually copy-paste text, creating friction for batch processing","No format preservation—rich text, markdown, or code formatting is stripped; plain text only","No draft saving or session persistence—closing the browser tab loses all text and corrections","No batch processing—cannot submit multiple texts simultaneously or queue submissions","No API or programmatic access—cannot integrate the textarea into custom applications or workflows"],"requires":["Web browser with JavaScript enabled","Plain text input (no binary files, documents, or formatted text)","Manual copy-paste workflow (no file upload or drag-and-drop)"],"input_types":["plain text (UTF-8)","maximum 15,000 characters per submission"],"output_types":["inline highlighted corrections in textarea"],"categories":["text-generation-language","user-interface"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_6","uri":"capability://text.generation.language.mobile.web.access.via.responsive.design.claimed.unverified","name":"mobile web access via responsive design (claimed, unverified)","description":"Documentation claims mobile app support for iPhone and Android, but no app store links, download URLs, or technical details are provided. It is unclear whether this refers to responsive web design (mobile browser access) or native mobile applications. The claim is UNVERIFIED and may be marketing language without substantive implementation. No mobile-specific features (offline mode, push notifications, voice input) are documented.","intents":["I want to check grammar on my phone while on the go without installing a separate app","I need mobile access to the same grammar-checking functionality available on desktop"],"best_for":["mobile-first users who prefer web access over native apps","users who want to avoid app store downloads and permissions"],"limitations":["Mobile app claim is UNVERIFIED—no app store links, download URLs, or technical details provided","Unclear whether 'mobile support' refers to responsive web design or native applications","No mobile-specific features documented (offline mode, voice input, push notifications)","Textarea-based input may be cumbersome on small screens compared to native mobile keyboards","No indication of mobile performance, latency, or optimization for cellular networks","Character limit (15,000) may be excessive for typical mobile typing workflows"],"requires":["Mobile web browser (iOS Safari, Android Chrome, etc.)","Internet connection for server-side processing","Responsive design support (CSS media queries, flexible layout)"],"input_types":["plain text via mobile textarea"],"output_types":["inline corrections rendered on mobile screen"],"categories":["text-generation-language","mobile-access"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_7","uri":"capability://text.generation.language.language.variant.selection.via.dropdown.menu","name":"language variant selection via dropdown menu","description":"Requires users to manually select a language variant from a dropdown menu before submitting text for analysis. The dropdown lists 34 language variants (English regional variants, European languages, Asian languages, Arabic, Persian). No auto-detection of language is documented. Selection is mandatory—text cannot be analyzed without explicit language choice. The dropdown is stateless—language selection does not persist across sessions.","intents":["I need to specify which English variant (US, British, Australian, etc.) my text should be checked against","I'm writing in a non-English language and need to select the correct language from a list","I want to ensure corrections follow a specific regional spelling convention (e.g., British English 'colour' vs. American 'color')"],"best_for":["users writing in specific regional variants who need precise spelling and grammar rules","multilingual writers who switch between languages and need explicit language selection","organizations with style guides that mandate specific regional variants"],"limitations":["No auto-detection—users must manually select language, creating friction for multilingual documents or users unfamiliar with language codes","Selection is not persistent—closing the browser tab or refreshing the page resets language to default (unknown)","No mixed-language support—cannot process code-switched text or documents with multiple languages","Dropdown may be overwhelming for users unfamiliar with language variant names (e.g., 'Khmer' vs. 'Cambodian')","No language detection or suggestion based on text content—users must know their language in advance","Regional variants are limited to English—other languages do not offer regional sub-variants"],"requires":["Manual language selection from dropdown before text submission","Knowledge of language variant name or code"],"input_types":["language variant selection (categorical)"],"output_types":["language-specific grammar rules applied to text"],"categories":["text-generation-language","user-interface"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_8","uri":"capability://tool.use.integration.no.integration.ecosystem.or.third.party.plugin.support","name":"no integration ecosystem or third-party plugin support","description":"The product provides no documented integrations with external tools, services, or platforms. No browser extensions, Slack bots, Google Docs add-ons, Microsoft Word plugins, or API access are mentioned. Users must manually copy-paste text into the web interface, creating a disconnected workflow. No webhook support, MCP (Model Context Protocol) integration, or plugin architecture is documented. The product is entirely web-based with no extensibility.","intents":["I need to check grammar in tools I already use (Google Docs, Slack, email) without switching contexts","I want to build custom integrations or automate grammar checking in my workflow","I need to integrate grammar checking into my CI/CD pipeline or content management system"],"best_for":["users who prefer standalone tools and don't need ecosystem integration","casual users with simple, linear workflows (write → paste → check → copy back)","organizations with restricted integration policies or security requirements"],"limitations":["No browser extension—users cannot check grammar in-place while writing in Gmail, Google Docs, or other web applications","No API access—cannot programmatically submit text or retrieve corrections","No Slack integration—cannot check messages or documents within Slack workflows","No Google Docs, Microsoft Word, or other document editor plugins—must use web interface only","No webhook support—cannot trigger corrections on external events or integrate into automation pipelines","No MCP (Model Context Protocol) support—cannot integrate with AI agents or multi-tool systems","Copy-paste workflow creates friction and context-switching overhead for high-volume users","No data export or integration with downstream tools—corrections cannot be automatically applied or synced"],"requires":["Manual copy-paste workflow (no programmatic access)"],"input_types":["plain text via web textarea only"],"output_types":["inline corrections in web interface (no API, no export)"],"categories":["tool-use-integration","workflow-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_corrector-app__cap_9","uri":"capability://text.generation.language.stateless.session.independent.text.correction.without.persistence","name":"stateless, session-independent text correction without persistence","description":"The product does not persist corrections, user preferences, or correction history across sessions. Each submission is independent—closing the browser tab or refreshing the page loses all text and corrections. No account creation, login, or data storage is required or offered. Corrections are generated on-demand and discarded after the user leaves the page. This stateless design eliminates privacy concerns and reduces server-side storage costs but prevents workflow continuity and learning from past corrections.","intents":["I need quick, anonymous grammar checking without creating an account or sharing personal data","I want to check a single piece of text without building a long-term relationship with the service","I'm concerned about privacy and don't want my writing stored on external servers"],"best_for":["privacy-conscious users who avoid account creation and data storage","casual, one-off users who don't need persistent correction history","users in regions with strict data protection regulations (GDPR, etc.) who prefer stateless services"],"limitations":["No correction history—cannot review past corrections or learn from mistakes over time","No draft saving—closing the browser tab loses all text and corrections permanently","No user preferences or custom rules—cannot save language selection, style preferences, or domain-specific terminology","No undo/redo across sessions—cannot revert to previous versions of corrected text","No progress tracking—cannot monitor improvement in writing quality over multiple submissions","No collaborative features—cannot share corrections with others or track changes from multiple users","No data export—cannot download or backup correction history or corrected documents"],"requires":["No account creation or authentication","No persistent storage or session management"],"input_types":["plain text via web textarea"],"output_types":["inline corrections (discarded after session ends)"],"categories":["text-generation-language","privacy"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":40,"verified":false,"data_access_risk":"high","permissions":["Web browser with JavaScript enabled","Internet connection (server-side processing required)","Plain text input only—no support for .docx, .pdf, .md, or formatted documents","Manual language selection from dropdown (no auto-detection documented)","Web browser with JavaScript enabled for interactive UI","Text input via textarea (max 15,000 characters)","Manual language selection before analysis begins","Manual language selection from supported list before analysis","UTF-8 text encoding for non-Latin scripts (Arabic, Chinese, Japanese, etc.)","Internet connection for server-side language-specific rule processing"],"failure_modes":["Hard character limit of 15,000 characters per submission enforced in UI—cannot process long-form documents or books in single pass","No context awareness for nuanced tone, domain-specific terminology, or industry jargon—treats all text with generic grammar rules","Rule-based approach struggles with ambiguous constructions, creative writing, and non-standard dialects that fall outside predefined patterns","No batch processing or document upload—users must manually copy-paste text, creating friction for high-volume workflows","Processing latency unspecified despite 'real-time' marketing claim—actual response time unknown","No undo/redo functionality documented—users cannot revert accepted corrections within the app","No correction history or change tracking—cannot see what was changed or revert to previous versions","Single-submission workflow—cannot save drafts or work on multiple documents simultaneously within the app","No custom rules or whitelist—cannot train the system to ignore false positives for domain-specific terminology","Latency of suggestion updates unknown—'real-time' claim unquantified with no SLA documentation","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":0.75,"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":"2026-05-24T12:16:30.282Z","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=corrector-app","compare_url":"https://unfragile.ai/compare?artifact=corrector-app"}},"signature":"c+V/vscGsCOCV7tas3+7EJcHdZ7bxRb95+J15INFUhgagPpjShdx+1xwUWCBAw8cnB8ERQ8UyuhV8zmPkNgTDA==","signedAt":"2026-06-22T23:42:40.814Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/corrector-app","artifact":"https://unfragile.ai/corrector-app","verify":"https://unfragile.ai/api/v1/verify?slug=corrector-app","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"}}