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    CClaude CodeCCursorCCodex CLIGGitHub CopilotGGemini CLIVVS CodeWWindsurfMManus+14 more

    ๐ŸŒ Calendar Invite Timezone Preflight

    by JustHandled Labs

    1

    Check normalized iCalendar events for floating times, DATE mismatches, missing boundaries, sequence errors, and recurrence evidence.

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    See it in action

    You say

    {"events":[{"uid":"event-1","dtstart":"20260801T140000Z","dtend":"20260801T150000Z","value_type":"DATE-TIME","sequence":0}]}

    Your agent does

    READY; UTC event boundaries and sequence evidence reviewed.

    What you get

    Preflight a generated ICS invite.Find floating DATE-TIME values.Review all-day and recurring event evidence before distribution.

    About this skill

    Calendar Invite Timezone Preflight turns owner-supplied local evidence into a deterministic preflight. Calendar invites can render at the wrong time or span the wrong day when DTSTART, DTEND, TZID, VALUE=DATE, sequence, or recurrence evidence disagree. It writes exact findings, a review manifest, a machine-readable gate, and a handoff report. It never performs the external action and never turns a passing check into a certainty.

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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    Creator

    JustHandled Labs builds focused agent skills for the work nobody wants to do by hand. Each one is a single repeatable job done well: catching the security and data mistakes that quietly ship, keeping docs and tests honest, gating the commands an agent is about to run, sharpening writing, and handling the founder chores around launches, outreach, and brand setup. Not generic AI productivity. Specific workflows that are easy to run, review, and repeat. Maintained by H.J. Westerfield, with a background in communications, editing, project coordination, customer support, and practical AI systems. Tools for people who want useful automation without theatrical complexity.

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