Hype watch, mostly signal

Skillsync indexes local agent sessions and injects past context

Reality check

A YC-backed Mac launch. Its local-first privacy claims are not independently verified, and the search-only memory is a simple design.

Read the source at skillsync.com

What the research found

Skillsync is a Mac app that indexes local coding-agent sessions and searches them on every prompt, injecting past context into Claude Code, Codex, Cursor and OpenCode; it is a Y Combinator-backed launch with local-first privacy claims.

Claims and how well the evidence supports them

Skillsync searches all past agent sessions on every prompt 95%
Skillsync supports Claude Code, Codex, Cursor and OpenCode 96%
Sessions are indexed locally on the Mac and never uploaded unless shared 97%
Skillsync is backed by Combinator 98%

Evidence

skillsync.com https://skillsync.com/

Actionability rated low.