Sidenote MCP Server

by elmagoct Your server? Claim it

answering

Sidenote is answering right now. Last checked 9 min ago. Last commit 5 Nov 2026.

Read, search and edit your Sidenote notepads (Chrome side-panel notes) with your sync key.

Uptime history 6 days of history

6 days agonow

100.0%

Uptime 24h

91 of 91 checks

—

Tools

hidden behind auth

937 ms

Response time

average over 24h

Stars

last commit 5 Nov 2026

Nothing serious here today

Today is the operative word: we check Sidenote every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add sidenote --transport http https://sidenote-sync.netlify.app/mcp

Settings → Connectors → Add custom connector, then paste this address

https://sidenote-sync.netlify.app/mcp

~/.codex/config.toml

[mcp_servers.sidenote]
url = "https://sidenote-sync.netlify.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "sidenote": {
      "url": "https://sidenote-sync.netlify.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "sidenote": {
      "type": "http",
      "url": "https://sidenote-sync.netlify.app/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URL	Transport	State	Latency	Checked
https://sidenote-sync.netlify.app/mcp	streamable-http	sign-in	1312 ms	9 min ago

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Sidenote — questions

Answers built from our own checks of this server.

Why is there no tool list for Sidenote?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.

Is Sidenote working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 937 ms. The bar chart above shows every period we have measured.

How do I connect Sidenote?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to Sidenote?

No API key is involved. Sidenote answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is Sidenote?

It answers our handshake in 937 ms on average, which is faster than 5% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Sidenote open source?

The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at sidenote-sync.netlify.app, which runs on its operator's own terms.