Mock OpenAPI specs locally, or log in to deploy hosted mocks on mockzilla.org from your MCP client.
Connect Runs on your machine
claude mcp add mockzilla-mcp -e MOCKZILLA_TOKEN=<MOCKZILLA_TOKEN> -e MOCKZILLA_MCP_URL=<MOCKZILLA_MCP_URL> -e MOCKZILLA_MANAGED_PORT=<MOCKZILLA_MANAGED_PORT> -- npx -y @mockzilla/[email protected]
{
"mcpServers": {
"mockzilla-mcp": {
"command": "npx",
"args": [
"-y",
"@mockzilla/[email protected]"
],
"env": {
"MOCKZILLA_TOKEN": "<MOCKZILLA_TOKEN>",
"MOCKZILLA_MCP_URL": "<MOCKZILLA_MCP_URL>",
"MOCKZILLA_MANAGED_PORT": "<MOCKZILLA_MANAGED_PORT>"
}
}
}
}
{
"mcpServers": {
"mockzilla-mcp": {
"command": "npx",
"args": [
"-y",
"@mockzilla/[email protected]"
],
"env": {
"MOCKZILLA_TOKEN": "<MOCKZILLA_TOKEN>",
"MOCKZILLA_MCP_URL": "<MOCKZILLA_MCP_URL>",
"MOCKZILLA_MANAGED_PORT": "<MOCKZILLA_MANAGED_PORT>"
}
}
}
}
{
"servers": {
"mockzilla-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mockzilla/[email protected]"
],
"env": {
"MOCKZILLA_TOKEN": "<MOCKZILLA_TOKEN>",
"MOCKZILLA_MCP_URL": "<MOCKZILLA_MCP_URL>",
"MOCKZILLA_MANAGED_PORT": "<MOCKZILLA_MANAGED_PORT>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MOCKZILLA_TOKENOptional, secret | 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_URLOptional | Override the hosted MCP endpoint (staging or local development). Defaults to https://platform.mockzilla.org/mcp. |
MOCKZILLA_MANAGED_PORTOptional | Preferred port for the local managed mock server. Defaults to 2200; falls back to a kernel-picked port if busy. |
Details
| Package | @mockzilla/[email protected] (NPM, stdio) |
| First published | 9 Oct 2026 |
| Last updated | 9 Oct 2026 |
| Registry name | io.github.mockzilla/mockzilla-mcp |
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