The Margin MCP Server

by themarginapp Your server? Claim it

answering

The Margin is answering right now. Last checked 4 min ago. Last commit 8 Oct 2026.

Notes, boards, habits, money and family life in one place your AI can read and act on.

Uptime history 11 days of history · worst day 99%

11 days agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

376 ms

Response time

average over 24h

Stars

last commit 8 Oct 2026

The Margin missed 3 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add the-margin --transport http https://mcp.themarginapp.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "the-margin": {
      "url": "https://mcp.themarginapp.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.the-margin]
url = "https://mcp.themarginapp.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "the-margin": {
      "url": "https://mcp.themarginapp.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "the-margin": {
      "url": "https://mcp.themarginapp.com/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://mcp.themarginapp.com/mcp	streamable-http	sign-in	368 ms	4 min ago

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The Margin — questions

Answers built from our own checks of this server.

Why is there no tool list for The Margin?

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 The Margin working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 376 ms. The bar chart above shows every period we have measured.

How do I connect The Margin?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path 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 The Margin?

No API key is involved. The Margin 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 The Margin?

It answers our handshake in 376 ms on average, which is faster than 37% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is The Margin open source?

We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.