{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_cron-ai","slug":"cron-ai","name":"Cron AI","type":"webapp","url":"https://cron-ai.vercel.app","page_url":"https://unfragile.ai/cron-ai","categories":["automation"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_cron-ai__cap_0","uri":"capability://text.generation.language.natural.language.to.cron.expression.conversion","name":"natural-language-to-cron-expression-conversion","description":"Converts plain English descriptions of scheduling requirements into valid cron syntax using an LLM-based semantic understanding pipeline. The system parses natural language temporal expressions (e.g., 'every Monday at 3 PM', 'twice daily at noon and midnight') and maps them to the five-field cron format (minute, hour, day-of-month, month, day-of-week), handling complex patterns like ranges, step values, and special characters. The implementation likely uses prompt engineering or fine-tuned models to ensure syntactically valid output that respects cron's specific constraints and edge cases.","intents":["I need to schedule a task but can't remember cron syntax—let me describe what I want in plain English","I want to avoid looking up cron documentation every time I set up a recurring job","I need to generate multiple cron expressions quickly without manual trial-and-error","I want to ensure my cron expression is syntactically correct before deploying to production"],"best_for":["Backend developers and DevOps engineers setting up scheduled tasks on Unix/Linux systems","Teams without dedicated cron syntax expertise who need fast task scheduling setup","Developers prototyping automation workflows and need quick iteration on scheduling logic"],"limitations":["Only generates standard POSIX cron syntax—cannot handle extended cron dialects (Vixie cron, systemd timers, or cloud-specific schedulers like AWS EventBridge)","No validation against actual system cron implementations; generated expressions may fail on specific Unix variants with non-standard cron implementations","Cannot express scheduling logic beyond cron's five-field model (e.g., 'every 2.5 hours' or 'business hours only' require external logic)","No support for timezone-aware scheduling—cron expressions are system-local only","Ambiguous natural language inputs may produce unexpected cron expressions without user confirmation or explanation"],"requires":["Web browser with JavaScript enabled","Internet connectivity to reach Vercel-hosted application","Basic understanding of what cron expressions are and their general purpose"],"input_types":["plain text (natural language scheduling descriptions)"],"output_types":["cron expression (5-field POSIX format: minute hour day-of-month month day-of-week)"],"categories":["text-generation-language","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_cron-ai__cap_1","uri":"capability://safety.moderation.cron.expression.validation.and.feedback","name":"cron-expression-validation-and-feedback","description":"Validates generated cron expressions for syntactic correctness against POSIX cron standards and provides feedback on whether the expression is valid. The system likely parses the five-field structure, checks for valid ranges (0-59 for minutes, 0-23 for hours, 1-31 for days, 1-12 for months, 0-7 for day-of-week), and detects invalid combinations or out-of-range values. This prevents users from deploying malformed cron expressions that would fail silently or cause scheduling errors in production systems.","intents":["I want to verify that my generated cron expression is syntactically valid before using it","I need to catch cron syntax errors early to avoid production scheduling failures","I want feedback on whether my scheduling intent was correctly translated to cron format"],"best_for":["DevOps engineers and backend developers who need confidence in cron expression correctness before deployment","Teams implementing CI/CD pipelines with scheduled tasks where syntax errors have high cost"],"limitations":["Validation is syntactic only—cannot verify semantic correctness (e.g., whether 'February 30th' is actually possible)","Does not test expressions against actual system cron daemons; validation is theoretical only","No support for extended cron syntax (e.g., @yearly, @monthly shortcuts) if the tool only validates raw five-field format","Cannot warn about edge cases like daylight saving time transitions or leap seconds"],"requires":["Generated cron expression in standard 5-field POSIX format"],"input_types":["cron expression (5-field format)"],"output_types":["validation result (boolean: valid/invalid)","error message (if invalid)"],"categories":["safety-moderation","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_cron-ai__cap_2","uri":"capability://text.generation.language.interactive.cron.expression.refinement","name":"interactive-cron-expression-refinement","description":"Allows users to iteratively refine generated cron expressions through conversational feedback or UI adjustments, enabling rapid iteration on scheduling logic without re-entering full natural language descriptions. The system likely maintains context of the previous generation, accepts clarifications or modifications (e.g., 'make it every other day instead'), and regenerates expressions based on incremental changes. This pattern reduces friction for users who need to adjust scheduling after initial generation.","intents":["I generated a cron expression but need to tweak it slightly—let me refine it without starting over","I want to explore variations of a schedule (e.g., 'what if it runs twice daily instead of once?')","I need to adjust the generated expression based on feedback from testing or stakeholders"],"best_for":["Developers iterating on scheduling logic during development and testing phases","Teams collaborating on automation workflows where scheduling requirements evolve"],"limitations":["Refinement context may be lost if the user navigates away or closes the browser (no persistent session storage indicated)","No version history or undo functionality mentioned—users cannot easily revert to previous expressions","Refinement is conversational only; no structured UI for selecting specific cron fields to modify","May require multiple refinement iterations for complex scheduling logic, increasing latency"],"requires":["Initial cron expression generated by the tool","Web browser session with application state maintained"],"input_types":["natural language refinement request (e.g., 'make it twice daily')","cron expression (for context)"],"output_types":["refined cron expression"],"categories":["text-generation-language","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_cron-ai__cap_3","uri":"capability://text.generation.language.cron.expression.explanation.and.documentation","name":"cron-expression-explanation-and-documentation","description":"Generates human-readable explanations of cron expressions, translating the five-field syntax back into plain English to help users understand what their scheduled task will actually do. The system parses each field (minute, hour, day-of-month, month, day-of-week) and converts ranges, step values, and wildcards into descriptive language (e.g., '0 9 * * 1-5' becomes 'Every weekday at 9:00 AM'). This capability serves both educational purposes and validation—users can verify that the generated expression matches their intent by reading the explanation.","intents":["I want to understand what a cron expression actually does before deploying it","I need to document my scheduled tasks in a way that non-technical stakeholders can understand","I want to learn cron syntax by seeing explanations of generated expressions"],"best_for":["Developers learning cron syntax through examples and explanations","Teams documenting automation workflows for knowledge sharing and onboarding","DevOps engineers validating complex cron expressions before production deployment"],"limitations":["Explanations are generated text and may be ambiguous or imprecise for edge cases (e.g., '*/2' in the day-of-month field)","No support for explaining extended cron syntax or non-standard dialect features","Cannot explain the business logic or intent behind a schedule—only the literal cron semantics","Explanations may not account for timezone or daylight saving time implications"],"requires":["Valid cron expression in 5-field POSIX format"],"input_types":["cron expression (5-field format)"],"output_types":["plain English explanation (natural language description of schedule)"],"categories":["text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_cron-ai__cap_4","uri":"capability://text.generation.language.batch.cron.expression.generation","name":"batch-cron-expression-generation","description":"Processes multiple scheduling requirements in a single request, generating multiple cron expressions for different tasks or variations without requiring separate interactions. The system likely accepts a list of natural language descriptions and returns a batch of corresponding cron expressions, potentially with shared context or optimization across the batch. This capability is useful for teams setting up multiple scheduled tasks in a single workflow or comparing scheduling variations.","intents":["I need to set up multiple scheduled tasks at once—let me generate cron expressions for all of them together","I want to compare different scheduling options for the same task (e.g., daily vs. weekly)","I'm migrating a set of scheduled jobs from another system and need to generate cron expressions for all of them"],"best_for":["DevOps engineers setting up multiple scheduled tasks in a single deployment","Teams migrating automation workflows from other scheduling systems to cron","Developers prototyping multiple scheduling scenarios and comparing options"],"limitations":["No indication of batch size limits—may have performance degradation or API rate limiting for large batches","No support for dependencies or ordering between scheduled tasks","Batch results are independent; no optimization or deduplication across similar expressions","No transaction semantics—if one expression fails validation, unclear whether others are still generated"],"requires":["Multiple natural language scheduling descriptions (format and count limit unknown)"],"input_types":["list of plain text scheduling descriptions"],"output_types":["list of cron expressions (5-field format)"],"categories":["text-generation-language","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":39,"verified":false,"data_access_risk":"high","permissions":["Web browser with JavaScript enabled","Internet connectivity to reach Vercel-hosted application","Basic understanding of what cron expressions are and their general purpose","Generated cron expression in standard 5-field POSIX format","Initial cron expression generated by the tool","Web browser session with application state maintained","Valid cron expression in 5-field POSIX format","Multiple natural language scheduling descriptions (format and count limit unknown)"],"failure_modes":["Only generates standard POSIX cron syntax—cannot handle extended cron dialects (Vixie cron, systemd timers, or cloud-specific schedulers like AWS EventBridge)","No validation against actual system cron implementations; generated expressions may fail on specific Unix variants with non-standard cron implementations","Cannot express scheduling logic beyond cron's five-field model (e.g., 'every 2.5 hours' or 'business hours only' require external logic)","No support for timezone-aware scheduling—cron expressions are system-local only","Ambiguous natural language inputs may produce unexpected cron expressions without user confirmation or explanation","Validation is syntactic only—cannot verify semantic correctness (e.g., whether 'February 30th' is actually possible)","Does not test expressions against actual system cron daemons; validation is theoretical only","No support for extended cron syntax (e.g., @yearly, @monthly shortcuts) if the tool only validates raw five-field format","Cannot warn about edge cases like daylight saving time transitions or leap seconds","Refinement context may be lost if the user navigates away or closes the browser (no persistent session storage indicated)","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.31666666666666665,"quality":0.67,"ecosystem":0.2,"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=cron-ai","compare_url":"https://unfragile.ai/compare?artifact=cron-ai"}},"signature":"L/I1qdgIv4rsgNV7pZwE9mMpFstZtUdHdaIW2ghkxJmQGozMjpG7ZNiA+T19iTb3G8uKAhkV6zwTRoO/6f0EBQ==","signedAt":"2026-06-18T20:43:26.658Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/cron-ai","artifact":"https://unfragile.ai/cron-ai","verify":"https://unfragile.ai/api/v1/verify?slug=cron-ai","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"}}