PDS

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PDS is an abbreviation for Personal Data Server, a part of federation in Bluesky's AT Protocol network; Bridgy Fed acts as a PDS. Personal Data Servers store account information and posts. For more information see:

• https://bsky.social/about/blog/5-5-2023-federation-architecture

https://blue.mackuba.eu/directory/pdses is a directory of third-party PDSes not run by the Bluesky team.

Examples

• Bluesky runs a PDS
• Bridgy Fed acts as a PDS
• selfhosted.social runs an open PDS (since 2025-12-03)
• ...

See Also

• Bluesky
• AT Protocol
• Migrating to Blacksky PDS: Complete Guide