Generate realistic, relational synthetic JSON test data from templates, via the JsonFabrica API.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add jsonfabrica --env JSONFABRICA_API_KEY='<JSONFABRICA_API_KEY>' -- npx -y @jsonfabrica/mcp-server~/.codex/config.toml
[mcp_servers.jsonfabrica]
command = "npx"
args = ["-y", "@jsonfabrica/mcp-server"]
env = { JSONFABRICA_API_KEY = "<JSONFABRICA_API_KEY>" }
# codex mcp add jsonfabrica --env JSONFABRICA_API_KEY='<JSONFABRICA_API_KEY>' -- npx -y @jsonfabrica/mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"jsonfabrica": {
"command": "npx",
"args": [
"-y",
"@jsonfabrica/mcp-server"
],
"env": {
"JSONFABRICA_API_KEY": "<JSONFABRICA_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"jsonfabrica": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@jsonfabrica/mcp-server"
],
"env": {
"JSONFABRICA_API_KEY": "<JSONFABRICA_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"jsonfabrica": {
"command": "npx",
"args": [
"-y",
"@jsonfabrica/mcp-server"
],
"env": {
"JSONFABRICA_API_KEY": "<JSONFABRICA_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"jsonfabrica": {
"command": "npx",
"args": [
"-y",
"@jsonfabrica/mcp-server"
],
"env": {
"JSONFABRICA_API_KEY": "<JSONFABRICA_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"jsonfabrica": {
"command": "npx",
"args": [
"-y",
"@jsonfabrica/mcp-server"
],
"env": {
"JSONFABRICA_API_KEY": "<JSONFABRICA_API_KEY>"
}
}
}
}Environment variables
JSONFABRICA_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.