RO

    Repair OAuth Refresh Races

    by Mariusz Wrzeszczynski

    1

    Repair concurrent OAuth refresh races that invalidate credentials, overwrite newer tokens, or force users to reconnect.

    $8.99

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    Works with the AI tools you already use

    CClaude CodeCCursorCCodex CLIGGitHub CopilotGGemini CLIVVS CodeWWindsurfMManus+14 more

    See it in action

    You say

    My background workers keep hitting invalid_grant errors when they all try to refresh the same Google OAuth token at once. Fix the race condition.

    Your agent does

    I have implemented a single-flight refresh mechanism using a Redis lock. Added versioned token updates to the database to prevent stale overwrites. Verified the fix with a new concurrency test suite simulating 10 simultaneous refresh attempts.

    What you get

    Eliminate invalid_grant errors during concurrent API callsImplement atomic token rotation and persistence logicAdd single-flight coordination to OAuth refresh flowsPrevent stale refresh tokens from overwriting newer credentials

    About this skill

    Repair apps where concurrent OAuth refreshes invalidate credentials, overwrite newer tokens, or force users to reconnect.

    This skill traces token expiry, rotation, storage, retries, and multi-instance races. It adds single-flight refresh, atomic token replacement, version checks, safe recovery, and concurrency tests.

    ✔ Stop duplicate refresh requests ✔ Preserve rotated tokens ✔ Prevent stale overwrites ✔ Avoid reconnect loops

    Ideal for SaaS integrations, APIs, and background sync.

    How to install

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

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    Creator

    Mariusz Wrzeszczynski
    Mariusz Wrzeszczynski

    109 skills on Agensi

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