{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_prepai","slug":"prepai","name":"PrepAI","type":"product","url":"https://www.prepai.in","page_url":"https://unfragile.ai/prepai","categories":["testing-quality"],"tags":[],"pricing":{"model":"freemium","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_prepai__cap_0","uri":"capability://text.generation.language.ai.powered.question.generation.from.learning.objectives","name":"ai-powered question generation from learning objectives","description":"Generates assessment questions automatically from teacher-provided learning objectives, topics, or curriculum standards using large language models. The system accepts natural language descriptions of what students should know and produces multiple-choice, short-answer, and essay questions with configurable difficulty levels. This reduces the cognitive load of blank-page problem where educators struggle to formulate diverse, well-structured questions at scale.","intents":["I need to create 50 questions for a unit test without spending 3 hours writing them manually","I want to generate questions at different difficulty levels (Bloom's taxonomy) from a single topic description","I need question variations for different class sections to prevent cheating"],"best_for":["K-12 educators with large class sizes (30+ students)","Tutoring centers managing multiple subjects and grade levels","Teachers new to a subject area seeking scaffolded question creation"],"limitations":["Generated questions in specialized domains (medicine, law, advanced chemistry) may contain factual inaccuracies requiring manual review","Cannot generate questions requiring domain-specific visual content (diagrams, chemical structures) without additional input","Question quality degrades with vague or poorly-structured learning objectives — requires clear input specification"],"requires":["Active internet connection for LLM inference","Learning objectives or topic description in English (primary language support)","PrepAI account with question generation quota (varies by tier)"],"input_types":["text (learning objectives, curriculum standards, topic descriptions)","structured metadata (grade level, subject, difficulty preference)"],"output_types":["structured question objects (question text, answer options, correct answer, difficulty rating)","exportable formats (PDF, DOCX, CSV)"],"categories":["text-generation-language","education-assessment"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_1","uri":"capability://data.processing.analysis.automated.essay.and.short.answer.grading.with.rubric.application","name":"automated essay and short-answer grading with rubric application","description":"Applies teacher-defined rubrics to student essay and short-answer responses using NLP and LLM-based semantic understanding. Teachers configure rubric criteria (e.g., 'thesis clarity', 'evidence quality', 'grammar') with point values, and the system scores submissions against these criteria, generating feedback comments. The grading engine uses token-based semantic matching and instruction-following to approximate human judgment without requiring manual review of every response.","intents":["I need to grade 150 essay submissions in 2 hours instead of 10 hours of manual reading","I want consistent rubric application across all student submissions without grader fatigue bias","I need to provide automated feedback comments to students immediately after submission"],"best_for":["Secondary and higher education instructors with large enrollment courses","Standardized test preparation centers grading practice essays at scale","Educators seeking to reduce grading time while maintaining rubric consistency"],"limitations":["Cannot evaluate nuanced argumentation, originality, or creative writing quality at human expert level — may miss sophisticated thesis development","Requires well-defined, quantifiable rubric criteria; vague rubrics (e.g., 'good writing') produce inconsistent results","No plagiarism detection or source verification — assumes submissions are original student work","Feedback comments are template-based and generic; lack personalized, contextual guidance that experienced teachers provide"],"requires":["Rubric definition with clear criteria and point allocations","Student responses in text format (plain text, PDF, or direct submission)","PrepAI account with grading quota (number of submissions per month)"],"input_types":["text (student essay/short-answer responses)","structured rubric (criteria names, descriptions, point values)","metadata (assignment name, due date, student identifiers)"],"output_types":["structured grades (total score, per-criterion scores)","feedback text (auto-generated comments per criterion)","grade reports (CSV, PDF with individual and class analytics)"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_2","uri":"capability://data.processing.analysis.multiple.choice.answer.key.generation.and.objective.test.grading","name":"multiple-choice answer key generation and objective test grading","description":"Automatically grades multiple-choice, true/false, and matching questions by comparing student responses against a teacher-defined answer key. The system processes batch submissions, calculates per-question and per-student statistics, and generates instant grade reports. This is a deterministic, rule-based grading process with no ambiguity — answers either match the key or they don't.","intents":["I need to grade 200 multiple-choice test submissions instantly without manual answer checking","I want to see which questions my students struggled with most (item analysis)","I need to export grades to my gradebook in bulk without manual data entry"],"best_for":["K-12 teachers administering standardized or unit tests","Large-scale testing centers processing hundreds of submissions daily","Educators seeking immediate feedback to students on objective assessments"],"limitations":["Only works for objective question types (multiple-choice, true/false, matching) — cannot grade open-ended responses","No partial credit support — answers are binary (correct/incorrect) unless explicitly configured","Requires exact answer key definition upfront; cannot handle ambiguous or multi-valid answers","No detection of test-taking anomalies (e.g., suspicious answer patterns, cheating indicators)"],"requires":["Answer key in structured format (question ID → correct answer mapping)","Student responses in compatible format (CSV, JSON, or direct submission via platform)","Question bank with defined correct answers"],"input_types":["structured data (student ID, question ID, selected answer)","answer key (question ID, correct answer, optional point value)"],"output_types":["individual grades (per-student score, per-question breakdown)","class analytics (mean score, standard deviation, item difficulty, discrimination index)","exportable reports (CSV, PDF, LMS-compatible format)"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_3","uri":"capability://automation.workflow.test.creation.and.administration.workflow.with.question.bank.management","name":"test creation and administration workflow with question bank management","description":"Provides an end-to-end interface for educators to create tests by selecting from AI-generated questions or uploading custom questions, configure test settings (time limits, randomization, question shuffling), and administer tests to students via a web or mobile interface. The system manages question banks, tracks which questions have been used, and prevents question reuse across tests if configured. Tests can be scheduled for specific dates/times and support timed administration with auto-submission.","intents":["I want to create a test by mixing AI-generated questions with my own custom questions in one interface","I need to randomize question order and answer options for each student to prevent cheating","I want to set a 60-minute time limit and auto-submit when time expires"],"best_for":["K-12 educators managing multiple classes and assessments","Tutoring centers administering standardized practice tests","Schools seeking a lightweight alternative to full LMS platforms"],"limitations":["Limited LMS integration — requires manual roster uploads or CSV imports rather than SSO/API sync with Canvas, Google Classroom, or Blackboard","Question bank organization is flat or simple hierarchical; lacks advanced tagging, metadata, or curriculum mapping features of premium platforms","No support for complex question types (drag-and-drop, image hotspot, formula entry) — limited to text-based questions","Timed tests rely on client-side timers; no server-side enforcement prevents time manipulation via browser developer tools"],"requires":["PrepAI account with test creation permissions","Student roster (manual entry, CSV upload, or LMS integration if available)","Internet connectivity for test administration (no offline mode)"],"input_types":["question data (AI-generated or manually uploaded)","test configuration (title, instructions, time limit, randomization settings)","student roster (names, IDs, email addresses)"],"output_types":["test URL (shareable link for student access)","submission data (student responses, timestamps, IP addresses)","grade reports (per-student and class-level)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_4","uri":"capability://safety.moderation.ai.powered.question.quality.and.factual.accuracy.review","name":"ai-powered question quality and factual accuracy review","description":"Analyzes AI-generated questions for potential factual errors, ambiguity, or pedagogical issues before deployment. The system uses LLM-based fact-checking and rule-based heuristics to flag questions that may contain inaccuracies, unclear wording, or answer key errors. Teachers receive a review report highlighting flagged questions with suggested corrections, allowing human review before students see the questions.","intents":["I want to catch factually wrong AI-generated questions before my students see them","I need to identify ambiguous questions where multiple answers could be correct","I want suggestions for improving poorly-worded questions"],"best_for":["Educators in specialized domains (medicine, law, advanced sciences) where factual accuracy is critical","Teachers using AI question generation at scale who need quality gates","Institutions with compliance requirements for assessment accuracy"],"limitations":["Fact-checking relies on LLM knowledge cutoff and cannot verify against real-time external sources or specialized databases","Cannot detect subtle domain-specific errors or outdated information in rapidly-evolving fields","Flagging is probabilistic — may miss errors or produce false positives requiring manual review anyway","Requires teacher expertise to evaluate suggested corrections; system cannot independently validate fixes"],"requires":["AI-generated questions in structured format","Subject matter expertise or reference materials for validation","PrepAI account with quality review feature enabled"],"input_types":["question objects (question text, answer options, correct answer, subject/domain metadata)"],"output_types":["review report (flagged questions, confidence scores, suggested corrections)","structured feedback (issue type: factual error, ambiguity, grammar, etc.)"],"categories":["safety-moderation","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_5","uri":"capability://data.processing.analysis.class.analytics.and.learning.insights.dashboard","name":"class analytics and learning insights dashboard","description":"Aggregates assessment data across all tests and students to provide class-level insights: average scores, score distributions, question difficulty analysis, student performance trends, and learning gap identification. The dashboard visualizes which topics students struggle with most and which questions are too easy or too hard. Teachers can drill down to individual student performance to identify at-risk learners or high performers.","intents":["I want to see which topics my entire class struggled with so I can re-teach them","I need to identify which students are falling behind and need intervention","I want to know if my test questions are appropriately difficult for my class"],"best_for":["Educators seeking data-driven insights into class performance","Schools with data literacy and interest in learning analytics","Teachers managing multiple classes who need comparative performance views"],"limitations":["Analytics are limited to assessment data; no integration with attendance, homework, or behavioral data for holistic student profiles","Insights are descriptive (what happened) rather than predictive (what will happen) — no ML-based early warning systems","No longitudinal tracking across semesters or years; data resets or requires manual export/archival","Visualizations are generic; no customizable dashboards or advanced statistical analysis (regression, clustering)"],"requires":["Multiple completed assessments (minimum 2-3 tests for meaningful trends)","Student roster with consistent identifiers","PrepAI account with analytics feature enabled"],"input_types":["assessment submission data (student ID, question ID, response, score, timestamp)"],"output_types":["dashboard visualizations (score distributions, question difficulty heatmaps, student performance trends)","exportable reports (CSV, PDF with class and individual analytics)","drill-down views (per-student, per-question, per-topic performance)"],"categories":["data-processing-analysis","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_6","uri":"capability://automation.workflow.freemium.tier.with.quota.based.feature.access","name":"freemium tier with quota-based feature access","description":"Implements a freemium business model where free users receive limited monthly quotas for question generation, grading, and test administration (e.g., 50 questions/month, 100 student submissions/month). Premium tiers unlock higher quotas, advanced features (custom branding, API access), and priority support. The system tracks usage per account and enforces quota limits via API rate limiting and UI warnings.","intents":["I want to try PrepAI with my small class (20 students) before paying for a premium plan","I need unlimited question generation and grading for my large class (200+ students)","I want to integrate PrepAI with my custom LMS via API"],"best_for":["Individual K-12 teachers testing the platform with small classes","Schools evaluating PrepAI before institutional adoption","Educators with budget constraints seeking low-cost assessment tools"],"limitations":["Free tier quotas are restrictive for large classes or frequent assessments — forces upgrade for realistic usage","No trial period with full features; free users experience feature limitations rather than time-based trials","Quota resets are monthly; no rollover or banking of unused quota","API access and custom integrations are premium-only, limiting extensibility for free users"],"requires":["PrepAI account (free or paid)","Email verification for account creation"],"input_types":["account tier selection (free, premium, enterprise)"],"output_types":["quota tracking (usage dashboard showing remaining quota)","upgrade prompts (when quota is exhausted or near limit)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_prepai__cap_7","uri":"capability://automation.workflow.student.response.submission.and.test.taking.interface","name":"student response submission and test-taking interface","description":"Provides a web-based interface where students access tests via unique URLs, answer questions (multiple-choice, short-answer, essay), and submit responses. The interface enforces test settings (time limits, question randomization, answer shuffling) and prevents navigation back to previous questions if configured. Responses are captured with timestamps and metadata (IP address, device type) for integrity tracking. The interface is responsive and works on desktop, tablet, and mobile devices.","intents":["I need a simple, distraction-free interface for students to take tests on any device","I want to prevent students from going back and changing answers after moving forward","I need to track when each student submitted their test for attendance/integrity purposes"],"best_for":["K-12 educators administering online assessments","Tutoring centers proctoring remote tests","Schools seeking a lightweight alternative to full LMS test interfaces"],"limitations":["No built-in proctoring or cheating detection — relies on honor system or external proctoring tools","Client-side timer enforcement is vulnerable to manipulation via browser tools; no server-side time validation","Limited accessibility features — may not fully comply with WCAG standards for students with disabilities","No offline mode — requires continuous internet connectivity; network interruptions cause submission loss"],"requires":["Test URL (shared by teacher)","Modern web browser (Chrome, Firefox, Safari, Edge)","Internet connectivity"],"input_types":["test configuration (questions, time limit, randomization settings)","student input (selected answers, typed responses)"],"output_types":["submission data (student ID, question ID, response, timestamp, IP address)","confirmation message (submission receipt with timestamp)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":41,"verified":false,"data_access_risk":"high","permissions":["Active internet connection for LLM inference","Learning objectives or topic description in English (primary language support)","PrepAI account with question generation quota (varies by tier)","Rubric definition with clear criteria and point allocations","Student responses in text format (plain text, PDF, or direct submission)","PrepAI account with grading quota (number of submissions per month)","Answer key in structured format (question ID → correct answer mapping)","Student responses in compatible format (CSV, JSON, or direct submission via platform)","Question bank with defined correct answers","PrepAI account with test creation permissions"],"failure_modes":["Generated questions in specialized domains (medicine, law, advanced chemistry) may contain factual inaccuracies requiring manual review","Cannot generate questions requiring domain-specific visual content (diagrams, chemical structures) without additional input","Question quality degrades with vague or poorly-structured learning objectives — requires clear input specification","Cannot evaluate nuanced argumentation, originality, or creative writing quality at human expert level — may miss sophisticated thesis development","Requires well-defined, quantifiable rubric criteria; vague rubrics (e.g., 'good writing') produce inconsistent results","No plagiarism detection or source verification — assumes submissions are original student work","Feedback comments are template-based and generic; lack personalized, contextual guidance that experienced teachers provide","Only works for objective question types (multiple-choice, true/false, matching) — cannot grade open-ended responses","No partial credit support — answers are binary (correct/incorrect) unless explicitly configured","Requires exact answer key definition upfront; cannot handle ambiguous or multi-valid answers","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":"2026-05-24T12:16:32.438Z","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=prepai","compare_url":"https://unfragile.ai/compare?artifact=prepai"}},"signature":"ZJYujNISm1dElOgI9ox9gy4CryPGHGpE6O/QsozmupUvZpJ7IIuIZuSRVQkzFP+22EtjkLu2StihGS9v0EP+AA==","signedAt":"2026-06-22T23:42:06.281Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/prepai","artifact":"https://unfragile.ai/prepai","verify":"https://unfragile.ai/api/v1/verify?slug=prepai","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"}}