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Launch HN: Skillsync (YC W26) – AI chat sessions made portable across agents

skillsync.com30 points40 comments
Screenshot of Launch HN: Skillsync (YC W26) – AI chat sessions made portable across agents

Skillsync is a local-first app and CLI that makes AI chat sessions portable across different agents and teammates, eliminating the need to re-explain context when switching models or collaborators. It captures searchable, portable session context and decision traces so conversations, code, and the rationale behind choices travel with the session. Users can resume a session on a local coding agent or move it mid-stream to another model (works with Claude, Claude Code, Codex, Cursor, Grok and others), run multiplayer or multiagent workflows, and keep everything on-device to avoid vendor lock-in. Installation targets macOS (Intel and Apple Silicon), Linux and Windows via a simple CLI installer, and teams can book demos or deploy it across a group.

Early adopters report fast, large migrations and concrete productivity gains: moving gigabytes of session data between agents in minutes, switching frequently between heavy local models without re-running context, and pulling exploratory chats straight into development workflows. The product is positioned for engineers and teams who need accountable decision traces, searchable history, and portable context across models; it’s backed by YC W26 and offers both individual downloads and team demos for deployment.

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