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Headless Obsidian Sync client with MCP server for AI assistants

14 starsGo

Headless Obsidian Sync Client

by recouptreadmill·Mar 3, 2026·2 points·1 comment

AI Analysis

●●SolidNiche GemWizardry

Obsidian vault as MCP server for Claude; clever bridge but requires Obsidian Sync subscription and is unofficial.

Strengths
  • Wire-protocol reverse-engineering (AES-256-GCM, three-way merge, OAuth 2.1 PKCE) is genuine wizardry — no Obsidian SDK used.
  • Two-mode operation (sync-only or MCP-only) makes it useful beyond just AI assistants (headless sync daemon for NAS).
  • Full-text search integration (ripgrep + Go fallback) ensures AI actually finds relevant notes, not just blind retrieval.
Weaknesses
  • Unofficial third-party client — Obsidian could break this with API changes, TOS update, or sync protocol bump.
  • Requires active Obsidian Sync subscription ($8/mo) — not accessible to free Obsidian users; limits addressable market.
Target Audience

Obsidian users with Sync subscriptions, Claude/Cursor power users, AI-augmented note-taking workflows.

Similar To

Obsidian Local REST API · RemoteStorage.js · Notion API integrations

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