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Radia Gives Agents Fenced Leases and Splits Authority Lineage From Data Lineage
Radia (Show HN, 2026-09-03) is an open-source shared workspace where independent agents coordinate through immutable records, with fenced leases tying every action to an authenticated run instead of letting an agent claim authority from data it supplied. It keeps two separate lineages, authority tied to the claiming run and data tied to parent record links, with the stated rule "naming a privileged record as a parent grants nothing," which closes the confused-deputy path most multi-agent scratchpads leave open. It runs on SQLite, PGlite or Postgres, but the docs admit it has no independent deployment history yet, so treat it as a design to copy rather than a dependency to adopt.
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