Mockzilla MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 1 055 installs a week from npm. Last commit 17 Sep 2026.
Mock OpenAPI specs locally, or log in to deploy hosted mocks on mockzilla.org from your MCP client.
We read the source, 18 h ago · rules 3dff92dd89df
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.
const child = spawn(cmd, args, { stdio: "ignore", detached: true });
const servicesDir = path.join(work, servicesRel);
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
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.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mockzilla-mcp -- npx -y @mockzilla/mcp
{
"mcpServers": {
"mockzilla-mcp": {
"args": [
"-y",
"@mockzilla/mcp"
],
"command": "npx"
}
}
}
[mcp_servers.mockzilla-mcp]
command = "npx"
args = ["-y", "@mockzilla/mcp"]
{
"mcpServers": {
"mockzilla-mcp": {
"args": [
"-y",
"@mockzilla/mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mockzilla-mcp": {
"args": [
"-y",
"@mockzilla/mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
MOCKZILLA_TOKEN (API key (mz_*) to use instead of logging in with the login tool, for machines without a browser. Leave unset to log in from your agent.), MOCKZILLA_MCP_URL (Override the hosted MCP endpoint (staging or local development). Defaults to https://platform.mockzilla.org/mcp.), MOCKZILLA_MANAGED_PORT (Preferred port for the local managed mock server. Defaults to 2200; falls back to a kernel-picked port if busy.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.