Lets an LLM in agent mode build n8n workflows from natural language requests.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add n8n-workflow-builder --env N8N_API_URL='<N8N_API_URL>' --env N8N_API_KEY='<N8N_API_KEY>' -- npx -y n8n-workflow-builder-mcp~/.codex/config.toml
[mcp_servers.n8n-workflow-builder]
command = "npx"
args = ["-y", "n8n-workflow-builder-mcp"]
env = { N8N_API_URL = "<N8N_API_URL>", N8N_API_KEY = "<N8N_API_KEY>" }
# codex mcp add n8n-workflow-builder --env N8N_API_URL='<N8N_API_URL>' --env N8N_API_KEY='<N8N_API_KEY>' -- npx -y n8n-workflow-builder-mcp~/.cursor/mcp.json
{
"mcpServers": {
"n8n-workflow-builder": {
"command": "npx",
"args": [
"-y",
"n8n-workflow-builder-mcp"
],
"env": {
"N8N_API_URL": "<N8N_API_URL>",
"N8N_API_KEY": "<N8N_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"n8n-workflow-builder": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"n8n-workflow-builder-mcp"
],
"env": {
"N8N_API_URL": "<N8N_API_URL>",
"N8N_API_KEY": "<N8N_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"n8n-workflow-builder": {
"command": "npx",
"args": [
"-y",
"n8n-workflow-builder-mcp"
],
"env": {
"N8N_API_URL": "<N8N_API_URL>",
"N8N_API_KEY": "<N8N_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"n8n-workflow-builder": {
"command": "npx",
"args": [
"-y",
"n8n-workflow-builder-mcp"
],
"env": {
"N8N_API_URL": "<N8N_API_URL>",
"N8N_API_KEY": "<N8N_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"n8n-workflow-builder": {
"command": "npx",
"args": [
"-y",
"n8n-workflow-builder-mcp"
],
"env": {
"N8N_API_URL": "<N8N_API_URL>",
"N8N_API_KEY": "<N8N_API_KEY>"
}
}
}
}Environment variables
N8N_API_URLN8N_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.