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Obsidian

Access and modify notes in Obsidian vaults via REST API.

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Updated Sep 9, 2025
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Access and modify notes in Obsidian vaults via REST API.
  1. Install and Enable the Obsidian REST API Plugin
    • Open your Obsidian app.
    • Go to "Settings" → "Community Plugins."
    • Search for "Obsidian REST API" or "obsidian-local-rest-api" and install it.
    • Enable the plugin.
  2. Obtain the API Key
    • After enabling, open the settings for the Obsidian REST API plugin.
    • Locate your API key inside the plugin config.
    • Copy the API key—this is required for the FastMCP connection.
  3. Find Host and Port Values (if needed)
    • By default, the host should be 127.0.0.1 (localhost), and the port should be 27124.
    • If you have changed these in the REST API plugin settings, note your custom values instead.
  4. Add Values via the FastMCP Connection Interface
    • Go to the FastMCP setup interface and locate your Obsidian server connection.
    • Click the "Install Now" button.
    • When prompted, fill in the following fields:
      • OBSIDIAN_API_KEY: Paste the API key you copied from the plugin.
      • OBSIDIAN_HOST: Use 127.0.0.1 (default) or your custom host.
      • OBSIDIAN_PORT: Use 27124 (default) or your custom port.

Your FastMCP integration will now be able to connect to your Obsidian vault using the Local REST API plugin.

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