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Concord MCP Server

not responding

Concord is listed as active in the registry but did not answer our last check. Last commit 6 Nov 2026.

Read, query and check data against ODI standards hub ontologies (OWL, LinkML), and report gaps.

Uptime history 67 hours of history · worst hour 0%
67 hours agonow
71.4%
Uptime 24h
65 of 91 checks
—
Tools
hidden behind auth
692 ms
Response time
average over 24h
0
Stars
last commit 6 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 5 November 2026. No other catalogue keeps this.

5 Nov the owner changed

What the code does

We have not read this server's code yet, 19 h ago · rules 995398eba69f

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.

  return path.join(config.dataDir, 'ontologies', project.slug);
Runs an external command walkthrough/record.ts:170
    return new Promise<number>((r) => spawn(process.execPath, [...process.execArgv, process.argv[1], ...passOn, ...extra, '--video', v], { stdio: 'inherit', env }).on('exit', (c) => r(c ?? 1)));
    d.innerHTML = html;
In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Reaches cloud metadata service deploy/azure/cloud-init.sh:112
imds=http://169.254.169.254/metadata

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.

Three servers free · no card

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.

run in your terminal
claude mcp add concord --transport http https://standards-concord.vercel.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://standards-concord.vercel.app/mcp
~/.codex/config.toml
[mcp_servers.concord]
url = "https://standards-concord.vercel.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "concord": {
      "url": "https://standards-concord.vercel.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "concord": {
      "type": "http",
      "url": "https://standards-concord.vercel.app/mcp"
    }
  }
}

Endpoints

URLTransportStateLatencyChecked
https://standards-concord.vercel.app/mcp streamable-http answering 70 ms 9 min ago

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same job, measured the same way
Concord
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Read, query and check data against ODI standards hub ontologies (OWL, LinkML), and report gaps.

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Concord — questions

Answers built from our own checks of this server.

Is Concord working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 65 of 91 checks got a reply (71.4%), average response time 692 ms. The bar chart above shows every period we have measured.
The registry lists Concord as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Concord?
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.
Does Concord need an API key?
No. Concord completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.
How fast is Concord?
It answers our handshake in 692 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 Concord open source?
We cannot say either way: written in TypeScript, 0 stars on GitHub and 4 open issues, but we could not determine the licence, and without one the code is not open source by default.