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PopNx MCPMCP servers for people who use AI · explained in plain words

Notesbridge

by IsaiahDupreeversion 1.3.0i★ –iRuns in the cloud
Registry nameio.github.IsaiahDupree/notesbridge

Install

Overview

Description from the maker (original English)

Search, read, and write your Apple Notes from ChatGPT/Claude via a local Mac agent + MCP relay.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs in the cloud
  • Transport: Streamable HTTP
  • Category: Docs, sheets & office work

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • The registry lists no key to fill in.

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://notesbridge.vercel.app/mcp

Run this in your terminal

claude mcp add --transport http notesbridge https://notesbridge.vercel.app/mcp

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "notesbridge": {
      "url": "https://notesbridge.vercel.app/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "notesbridge": {
      "type": "http",
      "url": "https://notesbridge.vercel.app/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://notesbridge.vercel.app/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account IsaiahDupree, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • … Not checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Docs, sheets & office worki

  • More stars than 0% of the other 2193 servers in this category
  • Published to the registry more recently than 22% of the other 2193 servers in this category
  • Basic checks equal to or better than 100% of the other 2193 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Notesbridge safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.3.0) reached the registry 3 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Agent-Native Calendar, Excel MCP Server, MCP Server for Excel

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Agent-Native Google Calendar - manage events, sync, and public booking

Runs in the cloud★ 7,620MITUpdated 2 months ago
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Excel MCP Server

by haris-musa

Lets AI create and edit Excel files itself, including formulas, charts and PivotTables, without Excel installed.

Runs on your computer★ 4,276MITUpdated 6 days ago
Install

Excel automation for AI - Sheets, Power Query, DAX, VBA, Tables, Ranges and more. Windows only.

Runs on your computer★ 847MITUpdated 4 days ago
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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

📝 NotesBridge

Use your Apple Notes from ChatGPT — search, read, and write, powered by your own Mac.

NotesBridge is a Model Context Protocol (MCP) connector that lets ChatGPT work with your Apple Notes. Every Notes action runs on your own Mac through a local agent. Requested note content travels through the hosted relay to ChatGPT; job arguments and results are temporarily stored in the relay database.

  ChatGPT  ──OAuth──►  NotesBridge relay  ──job queue──►  apple-notes-agent  ──►  Apple Notes.app

(connector) (Vercel, stateless) (your Mac, polls & executes) (on your Mac)

The agent accesses Apple Notes on your Mac. The relay stores account records and temporary job payloads/results; ChatGPT receives requested note content. Password-protected notes and attachment content are outside the verified read scope.


For users — 3 steps

1. Create your account at [notesbridge.vercel.app](https://notesbridge.vercel.app) and generate a pairing code.

2. Install the Mac agent (needs Node 18+):

npx apple-notes-agent pair <YOUR-CODE>   # link this Mac to your account

npx apple-notes-agent install # keep it running on every restart

The first time it touches Notes, macOS asks "Terminal wants to control Notes" — click OK (one time).

3. Connect ChatGPT: Settings → Plugins → turn on Developer mode (Security & login) → Create a custom plugin → paste the MCP Server URL `https://notesbridge.vercel.app/mcp` → Authentication OAuth → sign in & Allow.

That's it. In a new chat: *"Search my Apple Notes for the Q3 planning note"* or *"Create a note titled Groceries with milk, eggs, coffee."*

Your Mac must be awake with the agent running. npx apple-notes-agent install makes it start automatically at login and restart if it ever crashes.

Managing the agent
npx apple-notes-agent status      # is it paired & reachable?

npx apple-notes-agent logs # recent activity npx apple-notes-agent uninstall # stop auto-start

From this source checkout, for a private local text index (Node.js 22.13+), run node agent/cli.mjs index-install. This builds the index in batches of 25 notes and checks for changes every 15 minutes. index-status reports coverage. Search checks the current Notes metadata before using cached text, and falls back to live Notes when the index is stale. Password-protected content and attachment contents are excluded. The SQLite index stays in an owner-only directory on the Mac, outside the repository. The indexing commands are available in source; npm publication is separate.


What ChatGPT can do

ToolAction
searchSearch notes by keyword
fetch / get_noteRead a note's full content
list_foldersList folders with note counts
list_notesList notes (optionally by folder)
create_noteCreate a new note
append_to_noteAppend text to a note
update_noteRewrite a note (destructive — ChatGPT confirms first)

Self-hosting

You can run your own relay so nothing depends on the hosted instance.

Prereqs: a Vercel account and a Supabase project (free tiers are fine).

  1. Storage — in your Supabase project's SQL editor, run supabase/schema.sql. It creates a tiny Redis-shaped KV + queue surface (nb_* functions) with RLS on.
  2. Deploy the server/ directory to Vercel.
  3. Set env vars (see server/.env.example):
  • SUPABASE_URL, SUPABASE_SERVICE_ROLE_KEY — your project + service-role key
  • JWT_SECRET — openssl rand -hex 32
  1. Verify: curl https://YOUR-APP.vercel.app/api/health → redisConfigured, redisOk, jwtSecretSet all true.
  2. Point the agent at it: npx apple-notes-agent pair --server https://YOUR-APP.vercel.app.

How it works

  • Auth — OAuth 2.1 with PKCE and Dynamic Client Registration (RFC 7591). ChatGPT registers itself, the user signs in on the NotesBridge consent page, and ChatGPT gets a scoped MCP access token. JWTs are HMAC-signed; three kinds (session, agent, mcp) with distinct privileges. Optional email verification via Resend (RESEND_API_KEY); off unless configured, and enforcement is opt-in (REQUIRE_EMAIL_VERIFICATION).
  • Relay — MCP tool call → job pushed to jobs: (TTL ≤ the caller's wait window, so an abandoned job can't run late) → the Mac agent (holding a hanging long-poll) is handed the job within ~200ms, executes it, pushes the result → the MCP handler returns it. The long-poll means jobs are delivered on arrival rather than on a fixed interval, so relay overhead is ~300ms instead of ~1s. The agent is considered "online" only while it's actively connected.
  • Agent — a dependency-free Node CLI. Tools run via JXA (osascript -l JavaScript) against Notes.app; arguments are passed as JSON over argv (never shell-interpolated). A macOS LaunchAgent keeps it alive across logins and crashes.

Repository layout

server/    Vercel functions: OAuth + MCP endpoint + relay        (deploy this)

agent/ apple-notes-agent — the npm-published Mac CLI (users npx this) kit/ Browser automations: register the dev-mode connector AND fill the OpenAI directory submission (see kit/README.md) supabase/ schema.sql for self-hosting the storage test/ end-to-end OAuth + MCP integration test

Development

# server

cd server && cp .env.example .env.local # fill in, then: vercel dev

end-to-end test against a live deployment (reads ../.env.local)

node test/e2e-oauth.mjs

agent unit tests

node --test agent/test-agent-unit.mjs

Security & privacy

  • Notes are read/written only on your Mac. The relay never persists note content — job payloads live in Redis-shaped storage with a short TTL and are deleted on delivery.
  • The agent token is stored at ~/.notesbridge-agent.json (mode 600).
  • No secrets are committed; see .gitignore and the .env.example files.
  • Write tools are marked destructive so ChatGPT asks before overwriting.

License

MIT © Isaiah Dupree

Complete read coverage

list_notes and search return next_cursor. Pass it back until null; an empty search page can still have a cursor. Listings use stable note-ID order. Search reports password-protected notes as skipped. Run node test/live-all-notes.mjs for a read-only local coverage test after granting Notes automation. Current verification status is in the report.

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