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Old Cars Data MCP Server

by oldcarsdata Your server? Claim it
answering

Old Cars Data is answering right now. Last checked moments ago. Last commit 17 May 2026.

Collector-car auction history, live listings, bid trails, and market statistics for AI agents.

Uptime history 47 days of history · worst day 97%
47 days agonow
100.0%
Uptime 24h
92 of 92 checks
—
Tools
hidden behind auth
880 ms
Response time
average over 24h
0
Stars
last commit 17 May 2026

Old Cars Data does not always answer

Over the last week it answered 98.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

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 0 min ago.

run in your terminal
claude mcp add mcp --transport http https://api.oldcarsdata.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.oldcarsdata.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://api.oldcarsdata.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.oldcarsdata.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.oldcarsdata.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

URLTransportStateLatencyChecked
https://api.oldcarsdata.com/mcp streamable-http sign-in 955 ms 0 min ago

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Old Cars Data — questions

Answers built from our own checks of this server.

Why is there no tool list for Old Cars Data?
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 Old Cars Data 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 880 ms. The bar chart above shows every period we have measured.
How do I connect Old Cars Data?
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 Old Cars Data?
No API key is involved. Old Cars Data 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 Old Cars Data?
It answers our handshake in 880 ms on average, which is faster than 11% 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 Old Cars Data open source?
We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.