JsonFabrica MCP Server

by ms-methosio.github.ms-methos/jsonfabrica-mcp-serverv0.3.2

Generate realistic, schema-conformant JSON test data (single documents or relational batches) from reusable templates via the JsonFabrica API.

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Active4d ago

Install JsonFabrica MCP server

claude mcp add jsonfabrica -e JSONFABRICA_API_KEY='<jsonfabrica-api-key>' -- npx -y @jsonfabrica/mcp-server

{
  "mcpServers": {
    "jsonfabrica": {
      "command": "npx",
      "args": [
        "-y",
        "@jsonfabrica/mcp-server"
      ],
      "env": {
        "JSONFABRICA_API_KEY": "<jsonfabrica-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "jsonfabrica": {
      "command": "npx",
      "args": [
        "-y",
        "@jsonfabrica/mcp-server"
      ],
      "env": {
        "JSONFABRICA_API_KEY": "<jsonfabrica-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "jsonfabrica": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@jsonfabrica/mcp-server"
      ],
      "env": {
        "JSONFABRICA_API_KEY": "<jsonfabrica-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "jsonfabrica": {
      "command": "npx",
      "args": [
        "-y",
        "@jsonfabrica/mcp-server"
      ],
      "env": {
        "JSONFABRICA_API_KEY": "<jsonfabrica-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
JSONFABRICA_API_KEY	yes	yes	JsonFabrica API key. Create one at jsonfabrica.com -> Settings -> API Keys.
JSONFABRICA_API_URL	—	—	Base URL of the JsonFabrica gateway. Override only when self-hosting the gateway.

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-06 · 4d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-06 · 4d ago · official registry · v0.3.2

FAQ

›How do I install the JsonFabrica MCP server in Claude Code?

Run: claude mcp add jsonfabrica -e JSONFABRICA_API_KEY='<jsonfabrica-api-key>' -- npx -y @jsonfabrica/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does JsonFabrica require an API key?

Yes. It expects JSONFABRICA_API_KEY, of which 1 is a secret.

›Can I use JsonFabrica as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is JsonFabrica in the official MCP registry?

Yes, as io.github.ms-methos/jsonfabrica-mcp-server.