livediagram MCP Server

by livediagram-app Your server? Claim it

answering

livediagram is answering right now. Last checked 5 min ago. Last commit 11 Oct 2026.

Create, edit, share and render real-time collaborative diagrams and mindmaps on livediagram.app.

Uptime history 13 days of history · worst day 99%

13 days agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

230 ms

Response time

average over 24h

Stars

last commit 11 Oct 2026

What the code does

We read the source, 4 h ago · rules ccca72095570

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Builds a database query by concatenation apps/live/hooks/ui/useMentionAutocomplete.ts:85, apps/marketing/components/HeroConnectors.tsx:75, apps/help/app/palette/tools/data-elements/progress-elements/page.mdx:31 и ещё 3

    const next = value.slice(0, query.start) + insert + value.slice(caret);

Runs an external command apps/cli/src/node-io.ts:303

    const child = spawn(command, args, { stdio: 'ignore', detached: true });

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add livediagram --transport http https://mcp.livediagram.app/mcp

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

{
  "mcpServers": {
    "livediagram": {
      "url": "https://mcp.livediagram.app/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.livediagram]
url = "https://mcp.livediagram.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "livediagram": {
      "url": "https://mcp.livediagram.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "livediagram": {
      "url": "https://mcp.livediagram.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://mcp.livediagram.app/mcp	streamable-http	sign-in	220 ms	5 min ago

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livediagram — questions

Answers built from our own checks of this server.

Why is there no tool list for livediagram?

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 livediagram 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 230 ms. The bar chart above shows every period we have measured.

How do I connect livediagram?

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 livediagram?

No API key is involved. livediagram 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 livediagram?

It answers our handshake in 230 ms on average, which is faster than 57% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is livediagram open source?

Yes — it is published under the MIT licence, written in TypeScript, 9 stars on GitHub and 7 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.