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Mockmcp MCP Server

by k-cupples Your server? Claim it
not responding

Mockmcp is listed as active in the registry but did not answer our last check. Last commit 25 Apr 2026.

Hosted MCP endpoint with realistic fake data for prototyping agents. 12 tools, no setup.

Uptime history 91 days of history · worst day 0%
91 days agonow
0.0%
Uptime 24h
0 of 92 checks
—
Tools
hidden behind auth
306 ms
Response time
average over 24h
0
Stars
last commit 25 Apr 2026

What the code does

We read the source, 2 d 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.

Builds a file path from a variable src/index.ts:98
    const content = await readFile(path.join(LANDING_DIR, filename));

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 1 min ago.

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

Endpoints

URLTransportStateLatencyChecked
https://mockmcp.io/mcp streamable-http answering 306 ms 1 min ago

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Mockmcp — questions

Answers built from our own checks of this server.

Is Mockmcp working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 92 checks got a reply (0.0%), average response time 306 ms. The bar chart above shows every period we have measured.
The registry lists Mockmcp 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 Mockmcp?
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 Mockmcp need an API key?
No. Mockmcp 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.
Is Mockmcp open source?
The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at mockmcp.io, which runs on its operator's own terms.