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en How to Rotate the JWT Signing Secret

Alexandre edited this page Jul 20, 2026 · 7 revisions

How to Rotate the JWT Signing Secret

Rotate the secret used to sign auth tokens and public share links, without redeploying the instance.

Steps

  1. Go to Settings → Security.

    Open the Arthur screen used to document Rotate the JWT Signing Secret.

    Open the Arthur screen used to document Rotate the JWT Signing Secret

    Open the Security section used by the procedure.

    Open the Security section used by the procedure

  2. Trigger the rotation.

    Bring the JWT secret input into the screenshot viewport.

    Bring the JWT secret input into the screenshot viewport

Confirm it worked

The Security tab shows the secret as set, without ever displaying its value.

Good to know

  • Rotating invalidates outstanding MCP OAuth bearer tokens and public share links — clients using OAuth will need to reauthorize, and share links may need to be regenerated where applicable.
  • It does not affect your own login session — Arthur user sessions are issued and verified by Supabase Auth, which is unrelated to this secret.
  • Only users allowed to manage instance settings (Administrators, by default) can rotate it.

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