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SecondOS
One memory for your codebase, every AI tool reads it
Your AI re-reads the whole project every session. SecondOS gives it a memory — so it picks up where you left off, reads ~5× less, and your source never leaves your machine. One memory, every tool.
Hey Product Hunt 👋 I'm Oğuz, I built SecondOS.
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▎ I kept re-explaining the same repo to Cursor, then Claude Code, then Copilot, every single session. So I built one memory that all of them read.
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▎ You sync a repo once. SecondOS builds a structure-aware map of it (symbols, signatures, routes, a call graph resolved across TypeScript, Go, Python, Rust, Java) plus durable memory for decisions and gotchas. Any AI tool then reads the same map over MCP instead of re-scanning your files. Across five real repos that is roughly 5 to 9 times fewer tokens to answer the same question.
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▎ Two things I care about that "add memory to your agent" tools skip:
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▎ 1. It is living. A note is anchored to a real symbol. When that code changes, the note is flagged stale instead of quietly lying to your next agent. (There's a live demo of exactly this on the site.)
▎ 2. Privacy is stated honestly, not marketed. Code uploads as a map, the function bodies stay on your machine. Prose docs do upload as full text (a real trade-off, or use local mode with no login). And the client is source-available so you can read exactly what leaves it: github.com/Preatan/secondos-client
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▎ Free tier is genuinely free, no card, local mode unlimited. Pro is $10 a workspace.
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▎ Try it: bunx @secondos/cli init · https://secondos.app
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▎ I'll be here all day. I'd love feedback especially on the drift/staleness model. You can also reach me on X @grbuzoguz.
About SecondOS on Product Hunt
“One memory for your codebase, every AI tool reads it”
SecondOS was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #36 on the daily leaderboard. Your AI re-reads the whole project every session. SecondOS gives it a memory — so it picks up where you left off, reads ~5× less, and your source never leaves your machine. One memory, every tool.
On the analytics side, SecondOS competes within Developer Tools, Artificial Intelligence and GitHub — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how SecondOS performed against the three products that launched closest to it on the same day.
Who hunted SecondOS?
SecondOS was hunted by Oğuz Gürbüz. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SecondOS including community comment highlights and product details, visit the product overview.
Oğuz Gürbüz