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    📭 One-Click Unsubscribe Header Checker

    1

    Inspect marketing-message evidence for one-click unsubscribe headers, HTTPS endpoints, and a visible body marker.

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    See it in action

    You say

    {"messages":[{"id":"m1","message_type":"marketing","headers":{"List-Unsubscribe":"","List-Unsubscribe-Post":"List-Unsubscribe=One-Click"},"body_text":"Unsubscribe"}]}

    Your agent does

    READY; paired one-click headers and a visible body marker recorded.

    What you get

    Preflight a marketing message sample.Verify the exact List-Unsubscribe-Post value.Document message-level header evidence for provider support.

    About this skill

    One-Click Unsubscribe Header Checker turns owner-supplied local evidence into a deterministic preflight. Bulk marketing messages can carry a body unsubscribe link yet still lack the paired headers required for standards-based one-click behavior. 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.

    list
    unsubscribe
    post
    one
    click

    How to install

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

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