rahilp/second-brain-cloudflare

npm install -g second-brain-cf-cli
npm install && npm run vectors:create && npm run deploy  (manual, requires Node.js + Cloudflare account)
One-click "Deploy to Cloudflare" button, or download the desktop app for Mac/Windows from releases.

Usage

• •Connect AI clients via the /mcp endpoint (OAuth 2.0 dynamic client registration supported): claude mcp add --transport http second-brain https://YOUR-WORKER-URL/mcp, or codex mcp add second-brain --url https://YOUR-WORKER-URL/mcp.
• •Use memory tools from any connected client: remember, append, update, recall, list_recent, forget.
• •Capture from the terminal with "brain remember" / "brain recall", or via Notion, calendars (iCal), email, Obsidian plugin, Chrome extension, iOS Shortcuts, and a bookmarklet.
• •Verify a deployment with curl -X POST https://YOUR-WORKER-URL/capture -H "Authorization: Bearer YOUR-TOKEN" -d '{"content":"second brain is working","source":"test"}'.

Key features

• ✓Memory graph: memories connect to each other automatically or via explicit link/connections tools, with recall hops to surface related context.
• ✓Semantic search over meaning rather than exact wording, backed by Cloudflare Vectorize (384-dim, cosine).
• ✓Integrations: Notion sync (hourly), Google/Outlook/iCloud calendars via iCal, Gmail/iCloud email capture with noise filtering.
• ✓Runs entirely in your own Cloudflare account (Workers + D1 + Vectorize + Workers AI + KV); free tier at personal scale; graceful keyword-only fallback if the Vectorize index is missing.
• ✓Desktop app with dashboard, graph view, advanced recall settings, and calendar/email/Notion integration UI.

Best for

Developers who want one persistent, self-hosted memory shared across multiple AI coding tools and chat apps without data living in a third-party cloud.

Caveats

• ⚠Windows desktop build was not code-signed at the time of writing (SmartScreen warning on first launch); Mac build is signed and notarized.
• ⚠Opera can flag a false phishing warning on OAuth login when the workers.dev subdomain contains "gmail-com" (workaround: change subdomain or use another browser).
• ⚠Some MCP clients (notably Claude Code) load tool schemas lazily, so remember/recall may not appear in the visible tool list until a real tool call is made.