n8n MCP Server

n8n MCP Server

Enables management of n8n workflows, executions, credentials, tags, and variables via MCP tools. Supports stdio, Claude Code, and Claude Web with optional Authentik OAuth.

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n8n MCP Server

MCP Server untuk n8n REST API, dibangun dengan FastMCP. Ekspos tool untuk mengelola workflows, executions, credentials, tags, dan variables langsung dari MCP client (Claude Desktop, Claude Code, Claude Web).

Dipakai lewat tiga kanal: stdio, Claude Code, dan Claude Web (claude.ai). Otentikasi memakai Authentik sebagai identity provider (untuk Claude Web).

Tools yang tersedia

Kategori Tool Deskripsi
Workflow list_workflows Daftar semua workflow
Workflow get_workflow Ambil detail satu workflow
Workflow create_workflow Buat workflow baru
Workflow update_workflow Perbarui workflow
Workflow delete_workflow Hapus workflow
Workflow activate_workflow Aktifkan workflow
Workflow deactivate_workflow Nonaktifkan workflow
Execution list_executions Daftar eksekusi (dengan filter)
Execution get_execution Ambil detail satu eksekusi
Execution delete_execution Hapus eksekusi
Credential list_credentials Daftar credentials
Credential get_credential Ambil detail credential
Credential create_credential Buat credential baru
Credential delete_credential Hapus credential
Tag list_tags Daftar semua tag
Tag create_tag Buat tag baru
Tag update_tag Perbarui nama tag
Tag delete_tag Hapus tag
Variable list_variables Daftar semua variable
Variable create_variable Buat variable baru
Variable delete_variable Hapus variable
Audit get_audit_log Ambil audit log n8n

Cara pakai per kanal

1. stdio — Claude Desktop / Claude Code lokal

Tidak perlu auth jaringan; client men-spawn proses langsung.

{
  "mcpServers": {
    "n8n-mcp": {
      "command": "uvx",
      "args": ["--from", "git+https://github.com/andhit-r/n8n-mcp@v0.1.0", "n8n-mcp"],
      "env": {
        "N8N_API_BASE_URL": "http://localhost:5678/api/v1",
        "N8N_API_KEY": "your-n8n-api-key"
      }
    }
  }
}

Atau via Docker (stdio):

{
  "mcpServers": {
    "n8n-mcp": {
      "command": "docker",
      "args": [
        "run", "--rm", "-i",
        "-e", "MCP_TRANSPORT=stdio",
        "-e", "N8N_API_BASE_URL=http://host.docker.internal:5678/api/v1",
        "-e", "N8N_API_KEY=your-n8n-api-key",
        "ghcr.io/andhit-r/n8n-mcp:latest"
      ]
    }
  }
}

2. Claude Code

# stdio (langsung, tanpa server terpisah)
claude mcp add n8n-mcp -- uvx --from "git+https://github.com/andhit-r/n8n-mcp@v0.1.0" n8n-mcp

# remote (server HTTP yang sudah berjalan)
claude mcp add --transport http n8n-mcp https://n8n-mcp.example.com/mcp

3. Claude Web (claude.ai) — remote, WAJIB OAuth Authentik

Jalankan server sebagai service HTTP di URL publik HTTPS, daftarkan sebagai Custom Connector di claude.ai.

docker run -d -p 8000:8000 \
  -e N8N_API_BASE_URL=https://your-n8n.example.com/api/v1 \
  -e N8N_API_KEY=your-n8n-api-key \
  -e MCP_BASE_URL=https://n8n-mcp.example.com \
  -e AUTHENTIK_BASE_URL=https://auth.example.com \
  -e AUTHENTIK_APP_SLUG=n8n-mcp \
  -e AUTHENTIK_CLIENT_ID=... \
  -e AUTHENTIK_CLIENT_SECRET=... \
  ghcr.io/andhit-r/n8n-mcp:latest

Dirilis via GitHub (GitHub Release + image GHCR). Tidak tersedia di PyPI. Install dari sumber: pip install "git+https://github.com/andhit-r/n8n-mcp@v0.1.0".

Konfigurasi n8n API

Aktifkan Public REST API di n8n: Settings → n8n API → Create an API key. Pastikan akun memiliki izin yang sesuai (admin direkomendasikan).

Variabel Wajib Contoh
N8N_API_BASE_URL Ya http://localhost:5678/api/v1
N8N_API_KEY Ya n8n_api_xxx...
N8N_TIMEOUT Tidak 30 (detik, default)

Otentikasi (Authentik)

Server memilih auth otomatis dari environment:

Mekanisme Untuk Aktif jika
OAuth Authentik Claude Web / browser AUTHENTIK_* + MCP_BASE_URL diisi
API Key statis VS Code / CLI MCP_API_KEY diisi
(tanpa auth) stdio / jaringan lokal tidak ada yang diisi

Buat OAuth2/OIDC Provider + Application di Authentik (Redirect URI https://<MCP_BASE_URL>/auth/callback, scope openid profile email).

Transport (environment)

Variabel Default Keterangan
MCP_TRANSPORT stdio stdio, http, atau sse
MCP_HOST / MCP_PORT 127.0.0.1 / 8000 bind saat http/sse
MCP_BASE_URL URL publik (wajib untuk OAuth Authentik)

Deployment cloud: uvicorn n8n_mcp.asgi:app --host 0.0.0.0 --port 8000.

Pengembangan

pip install -e .
cp .env.example .env   # isi N8N_API_BASE_URL dan N8N_API_KEY
python -m n8n_mcp      # jalankan lokal (stdio)
make test              # gate test (lint + unit)

Lisensi

MIT.

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