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Physix Frontier · News Briefing Card (Hacker News · Oct 10, 2026)

Rutter launches: shared decision memory across AI tools, local Markdown storage

KEY FACTS

  • Rutter is an open-source tool that records decisions from AI sessions and makes them callable across tools.
  • Decision records are appended as plain Markdown into the user's own notes folder.
  • Each record includes the cited note path and a content hash captured at the time.
  • Notes renamed without content changes are tracked automatically; content changes are flagged as unresolved.
  • The tool is built by an individual developer, is MIT-licensed, and comes with no official support commitment.

KEY DATA

MITLicense
0.5.0Version
48%Example survey support rate

PHYSIX OBSERVATION

Rutter uses a minimalist append-only log and hashing mechanism to turn AI session decisions into local assets the user controls. It does not solve model hallucination, but it gives cross-tool memory an auditable anchor. For heavy Markdown users it is a practical reference, and it also reminds the industry: interoperability of AI memory may start with personal tools.

Source: Hacker News report

Rutter launches: shared decision memory across AI tools, local Markdown storage | Physix Frontier Briefing