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title: Reference Documentation updated: 2026-06-13 #

These docs describe current, verified behavior of Tempest.

They explain the implementation at a high level and introduce the AT Protocol/PDS concepts needed to understand that implementation.

• Architecture
• SQLite Storage
• XRPC HTTP Surface
• Repository Core
• Record APIs
• Blobs
• Account Management Control Panel
• Account Migration
• Migration and Account Lifecycle
• Security, OAuth, and Delegated Access
• OAuth private_key_jwt Concepts
• Admin and Operator Operations
• Deployment Guide
• Deployment and Observability
• Initial Release Readiness
• PDS Compatibility Matrix
• Lexicon Schemas
• Interop and Integration Testing
• Identity and Handles
• Public Stats Dashboard
• Documentation Viewer
• Budget

Additional reference notes:

• Identity Troubleshooting
• Sync and Firehose