Launch HN: Skillsync (YC W26) – AI chat sessions made portable across agents
Recorded: Sept. 17, 2026, 5 p.m.
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Skillsync - Own your contextSearchDocsCLIPricingBlogBook a demoLogin→DocsCLIPricingBlogGitHubBook a demoSkillsyncskill/skɪl/ n. the power to do a thing well; expertise sharpened by deliberate practice until it looks effortlesssync/sɪŋk/ n. the state of moving exactly together; separate parts operating at the same beat, as oneYour AI sessions made portable across every agent and teammate. Local first, no lock-ins, no re-explainingDOWNLOAD FOR MACOSClick here for Intel MacsWORKS WITHClaude CodeCodexHermesOpenClawGrokGrok BotAntigravitypiOpenCodeCursorFeaturesContinue on any agentResume any session on your local coding agent, or move it to a different one mid-streamPortable, searchable contextMultiagent + multiplayerLocal firstCLI + MCP ....:::+++==+++:.... ..:++==++:.. ....:::+++==+++:.... ..:++==++:.. ....:::+++==+++:.... ..:++==++:..++++=====+++++++====++++ ..++++====++++++++++++=====+++++++====++++ ..++++====++++++++++++=====+++++++====++++ ..++++====++++++++ ..:++++:.. =X== ..:+++++:.. ..:++:.. ..:++++:.. =X== ..:+++++:.. ..:++:.. ..:++++:.. =X== ..:+++++:.. ..:++:..=====++++++++=======+++++++++======+++++=========++++++++=======+++++++++======+++++=========++++++++=======+++++++++======+++++==== ..++:.. ..:++==X==++:.. ..:+++:.. ..++:.. ..:++==X==++:.. ..:+++:.. ..++:.. ..:++==X==++:.. ..:+++:.. ++++====+++++++=====++++++++====++++++++===++++====+++++++=====++++++++====++++++++===++++====+++++++=====++++++++====++++++++=== ..:+++++:.. ..:++:.. ..:++==++:.. ..:+++++:.. ..:++:.. ..:++==++:.. ..:+++++:.. ..:++:.. ..:++==++:..===+++++====++++++++====+++++++++====++++++===+++++====++++++++====+++++++++====++++++===+++++====++++++++====+++++++++====++++++ ..:++:.. ..:+++++:.. ..:++==+:.. ..:++:.. ..:+++++:.. ..:++==+:.. ..:++:.. ..:+++++:.. ..:++==+:.. +++++====++++++++=====+++ =X= +++====+++++++++====++++++++=====+++ =X= +++====+++++++++====++++++++=====+++ =X= +++====++++ ..:++==++:.. ..:++++++:.. ..:++: ..:++==++:.. ..:++++++:.. ..:++: ..:++==++:.. ..:++++++:.. ..:++:====++++++++=====++++++++====+++++++++=========++++++++=====++++++++====+++++++++=========++++++++=====++++++++====+++++++++=====claude codecodexrelay-fix142 msgs→ continued in codexworks across your local agentsCommunity“Downloaded Skillsync and moved everything to Pi in literally a few minutes. Couldn't have been easier to migrate off Cursor.”Anshul PaulFounder, BaseFrameYC W26“Literally saving me rn. The new models are so heavy that I have to switch back and forth every day multiple times.”Shipra JhaCo-founder, CorelayerYC W26“Whenever a Claude chat turns into something worth building, I pull it straight into Claude Code with Skillsync and keep going, without ever having to re-explain anything.”Pratik SatijaFounder, TensolYC W26“I was able to move about 7 GB of my Cursor sessions and continue them on Claude Code in minutes.”Dennis SunCo-founder, Ditto BiosciencesYC W26“Skillsync is how I hold my agents accountable. I use it to build decision traces out of my sessions, so I can see every choice the agent made and why, not just the code it left behind.”Abhijjith VenkateshrajSystem Software EngineerNVIDIASkillsync CLINot on a Mac, or working on a server?Linux & macOSWindows$curl -fsSL https://install.skillsync.com/install.sh | shCBring Skillsync to your teamBOOK A DEMOOwn your contextBACKED BYYCOMBINATORPRODUCTDocsBlogRSSInstallLEGALPrivacy© 2026 skillsync.comBACK TO TOP ↑ |
Skillsync is presented as a framework focused on achieving expertise through deliberate practice, embodying the state of moving exactly together, and provides the power to perform tasks well effortlessly. At its core, the system facilitates the portability and searchability of context across various agents and teammates, operating on a local first principle without requiring lock-ins. This capability is supported by a structure involving multiagent and multiplayer functionality, built upon a foundation of command line interface and master control protocol. The technology addresses the challenge of making AI sessions portable by allowing context to move seamlessly between different tools and agents. This portability is demonstrated through its ability to manage and transfer extensive session data, enabling users to move work mid-stream or migrate entire workflows between different large language models and coding environments. This feature allows for the seamless transition of complex interactions, such as moving sessions from a local coding agent to Claude Code, thereby avoiding the need for repeated explanations. Skillsync also provides accountability measures for agent performance by enabling the creation of decision traces from sessions. This feature allows users to observe every choice made by an agent and the rationale behind those decisions, which is crucial for building traceable and accountable workflows. This aspect is highlighted by users who utilize Skillsync to ensure that agents are held responsible for their processes. The accessibility of Skillsync is broad, designed to operate locally, which is supported by CLI and MCP capabilities. It is deployable across various operating systems, including Linux, macOS, and Windows, via an installation script. The system is positioned as a means to manage and organize complex, multi-agent operations, offering a mechanism to download and manage context, backed by product documentation and a blog. The practical application of Skillsync is illustrated by user experiences reporting significant time savings in migrating workflows. For instance, users have reported being able to move substantial session histories, such as several gigabytes of sessions from a coding agent to another environment in minutes. This capability is leveraged by developers working with tools like Cursor and Claude Code to enhance productivity by eliminating the need for repeated explanations and context re-establishment during complex development tasks. This allows for a highly portable and continuously evolving environment for AI-assisted work. |