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ArcBrain – Persistent AI Memory Layer
Persistent AI memory for Copilot, Cursor & Claude Desktop
ArcBrain is a local memory server that connects VS Code Copilot, Claude Desktop, and Cursor simultaneously via MCP. Every 5 minutes, it extracts structured facts from your AI sessions — not raw logs, but knowledge like "Auth uses JWT with 15-min expiry." Facts age through Working → Operational → Canonical layers. Fix a bug in one tool, the others know in minutes. All data stays on your machine. Supports OpenAI, Anthropic, Gemini, Grok, or local Ollama.
Hey Product Hunt! 👋 Wil here, solo dev and maker of ArcBrain.
I built this out of pure frustration. Every morning: open VS Code Copilot, re-explain my project. Switch to Claude Desktop, re-explain again. Open Cursor, re-explain a third time. I was the human clipboard between my own tools.
Six months later — ArcBrain. It runs locally, connects to all your MCP-compatible AI tools simultaneously, and keeps a shared memory that actually ages and improves over time. Fix something in Copilot → Claude knows about it 5 minutes later. No copy-paste. No "as I mentioned earlier."
If you've ever re-explained your codebase to AI more than once this week, this was built for you.
Happy to answer anything — throw your questions in the comments.
About ArcBrain – Persistent AI Memory Layer on Product Hunt
“Persistent AI memory for Copilot, Cursor & Claude Desktop”
ArcBrain – Persistent AI Memory Layer was submitted on Product Hunt and earned 1 upvotes and 1 comments, placing #379 on the daily leaderboard. ArcBrain is a local memory server that connects VS Code Copilot, Claude Desktop, and Cursor simultaneously via MCP. Every 5 minutes, it extracts structured facts from your AI sessions — not raw logs, but knowledge like "Auth uses JWT with 15-min expiry." Facts age through Working → Operational → Canonical layers. Fix a bug in one tool, the others know in minutes. All data stays on your machine. Supports OpenAI, Anthropic, Gemini, Grok, or local Ollama.
On the analytics side, ArcBrain – Persistent AI Memory Layer competes within Productivity, Developer Tools and Artificial Intelligence — topics that collectively have 1.6M followers on Product Hunt. The dashboard above tracks how ArcBrain – Persistent AI Memory Layer performed against the three products that launched closest to it on the same day.
Who hunted ArcBrain – Persistent AI Memory Layer?
ArcBrain – Persistent AI Memory Layer was hunted by Wil Hurley. 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 ArcBrain – Persistent AI Memory Layer including community comment highlights and product details, visit the product overview.
Wil Hurley