Comma MCP Server

by commareports Your server? Claim it

answering

Comma is answering right now. Last checked 9 min ago. Last commit 8 Oct 2026.

Publish HTML reports to a share link, collect anchored comments, revise at the same URL.

Uptime history 9 days of history

9 days agonow

100.0%

Uptime 24h

91 of 91 checks

—

Tools

hidden behind auth

762 ms

Response time

average over 24h

Stars

last commit 8 Oct 2026

Nothing serious here today

Today is the operative word: we check Comma 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 comma --transport http https://commareports.com/api/mcp

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

{
  "mcpServers": {
    "comma": {
      "url": "https://commareports.com/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.comma]
url = "https://commareports.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "comma": {
      "url": "https://commareports.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "comma": {
      "url": "https://commareports.com/api/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but you need an API key from its owner to call it.

Endpoints

URL	Transport	State	Latency	Checked
https://commareports.com/api/mcp	streamable-http	needs key	685 ms	9 min ago

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Comma — questions

Answers built from our own checks of this server.

Why is there no tool list for Comma?

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 Comma 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 762 ms. The bar chart above shows every period we have measured.

How do I connect Comma?

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 will need your own key: it refuses anonymous clients.

Does Comma need an API key?

Yes. Every time we knock, Comma answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is Comma?

It answers our handshake in 762 ms on average, which is faster than 12% 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 Comma 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.