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Standardnotes MCP server

by lozit·io.github.lozit/mcp-standardnotes·v0.6.0·9 stars
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End-to-end encrypted access to a Standard Notes vault (protocol 004, local stdio only).

A92/100grade A
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Safety scan
A92/100

full report

Adoption
Growing

9 stars39 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Standardnotes tools (16, 8 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • notes_createwrite action

    Create a new note.

  • notes_create_manywrite action

    Create up to 50 notes in a single sync push. Returns the list of created uuid+title.

  • notes_deletewrite action

    Trash a note (permanent=true purges irreversibly).

  • notes_get

    Fetch a single note's full content by UUID.

  • notes_list

    List notes (decrypted locally). Returns uuid/title/updatedAt/preview. Optional `tag` filters by tag UUID or title; set `includeDescendants: true` to also include notes filed under any child/grandchild tag (SN folder behavior).

  • notes_search

    Full-text search across decrypted notes.

  • notes_stats

    Vault statistics: counts (total/active/trashed), tags, byNoteType, sizes, oldest/newest/largest note.

  • notes_updatewrite action

    Update an existing note by UUID.

  • sync

    Force a full sync with the server. Returns decrypted note/tag counts.

  • tags_attach

    Attach an existing tag to a note.

  • tags_createwrite action

    Create a new tag. Pass `parent` (tag UUID) to nest it under a folder.

  • tags_deletewrite action

    Delete a tag (permanent — tags have no trash state).

  • tags_detachwrite action

    Remove a tag from a note.

  • tags_get

    Fetch a single tag (title, linked note UUIDs, parentUuid) by UUID.

  • tags_list

    List all tags (uuid, title, updatedAt, noteCount, parentUuid).

  • tags_updatewrite action

    Rename a tag and/or move it in the folder hierarchy. `parent`: tag UUID to re-parent, null to detach, omit to leave unchanged.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings
  • Code scan19 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 16 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Standardnotes compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
92/100
higher than 95% of 48,255 servers
Tools
16
the typical server has 7
Tools that change things
50%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
9
more than 87% of 28,688 servers
Downloads a week
39
more than 30% of 12,191 servers with a package

What its tools let an agent do: 7 read · 9 change

Install Standardnotes in Claude Code, Cursor or VS Code

Runs npx -y mcp-standardnotes on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp-standardnotes -- npx -y mcp-standardnotes
Add to Cursor

What the publisher says

From the Standardnotes repository's README, as published. We do not edit it. Read it on GitHub

mcp-standardnotes

Give Claude secure read/write access to your Standard Notes vault — end-to-end encrypted, local stdio only, zero cloud middleman.

Ask Claude to summarize your notes, draft new ones, organize tags, search across your vault — all while your master key stays on your machine. Works with Claude Code, Claude Desktop, and any MCP-compatible client.

Disclaimer. This is an unofficial third-party integration. Not affiliated with, endorsed by, or sponsored by Standard Notes Ltd. "Standard Notes" is a trademark of Standard Notes Ltd.

Why

  • 🔒 End-to-end encrypted. All decryption happens locally using audited libsodium primitives (Argon2id + XChaCha20-Poly1305 IETF). Your password never leaves RAM; your master key never leaves your machine.
  • 🔌 Local stdio only. No network port is ever opened by this server.
  • 🔑 OS keychain for session storage. macOS Keychain, Linux libsecret, Windows Credential Vault — never plaintext files.
  • ☁️ Works with the official cloud or self-hosted Standard Notes servers.

Features

notescreate and notesupdate accept an optional tags: string[] (tag UUIDs) to link tags at write time.

Requirements

  • Node.js ≥ 20
  • A Standard Notes account on protocol 004 (default for any account created or upgraded since 2020)
  • macOS, Linux, or Windows with a working OS keychain

Quickstart

1. Install

npm install -g mcp-standardnotes

Or run from a clone if you prefer:

git clone https://github.com/lozit/mcp-standardnotes.git
cd mcp-standardnotes
npm install && npm run build

2. Log in once

mcp-standardnotes-login         # if installed globally
# or, from a clone:
npm run login

You'll be prompted for email and password. The password derives your master key in memory (Argon2id) and is never written to disk. An encrypted session is stored in your OS keychain; subsequent runs reuse it automatically. At the end of login, you're offered to wire the server into Claude Desktop in one step — accept it, restart Desktop, done.

3. Hook it up to Claude

Claude Desktop (macOS / Windows) — easiest path, run:

mcp-standardnotes-install

This writes the right entry (absolute Node + binary paths, your email from the keychain) into ~/Library/Application Support/Claude/claudedesktopconfig.json (or %APPDATA%/Claude/claudedesktopconfig.json on Windows), backing up any existing config first. Quit Claude Desktop fully (⌘Q) and relaunch.

Claude Code — let the claude CLI do it:

mcp-standardnotes-install code   # prints the exact `claude mcp add` command

Or add to ~/.claude.json / .mcp.json manually:

{
  "mcpServers": {
    "mcp-standardnotes": {
      "type": "stdio",
      "command": "mcp-standardnotes",
      "env": { "SN_EMAIL": "you@example.com" }
    }
  }
}

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Standardnotes: common questions

Is Standardnotes MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Standardnotes safety report
How do I install Standardnotes?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Standardnotes need an API key?
No secret keys are declared. It reads 3 settings from the environment.
Is Standardnotes maintained?
The last commit was 57 days ago (2026-09-08). The latest release is v0.6.0.
How does Standardnotes compare with other MCP servers?
safety score 92/100 (higher than 95% of 48,255 servers); tools 16 (the typical server has 7); tools that change things 50% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.