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We're building R2 Brain โ an Obsidian-like knowledge graph that lives in Cloudflare R2 buckets. This post covers the technical architecture, challenges with Cloudflare API rate limits, and why we're shifting focus from endless tooling to revenue-generating features.
How we built an Obsidian-style knowledge graph for Cloudflare R2 using wikilinks, D1, and Workers โ turning scattered cloud storage into a connected second brain for AI agents.