flowengine-cloud/mcp-n8n-workflow-builder-flowengine

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Turn natural language into n8n workflows. This isn't just another n8n context provider, it's a complete workflow generation engine with built-in validation, auto-fixing, and architectural...

개요

Turn natural language into n8n workflows. This isn't just another n8n context provider, it's a complete workflow generation engine with built-in validation, auto-fixing, and architectural intelligence. - - Catches errors before you import - — Automatically repairs common issues - — Suggests optimal workflow patterns - — Detects credential leaks and vulnerabilities - — Identifies bottlenecks and optimization opportunities - — Loaded directly from n8n packages for accuracy - — Only real nodes, no hallucinations Workflows that actually import and run on first try. That points at the hosted server, so there is nothing to install and no daily cap. Claude Desktop, Cursor and the local install are under Setup by platform. Every workflow passes through 13 validation checks before output: 1. — Verifies every node type exists in n8n 2. — Ensures all connections reference existing nodes 3. — Validates parameter types match node schemas 4. — Checks all required parameters are present 5.

README

원문 README의 일부입니다. 원문 보기.

n8n Workflow Builder MCP Server

Build n8n workflows from text using AI - Built by FlowEngine

Turn natural language into production-ready, validated n8n workflows. This isn’t just another n8n context provider, it’s a complete workflow generation engine with built-in validation, auto-fixing, and architectural intelligence.

this MCP is built to provide validated n8n workflows — not just context.

13-Point Validation Engine - Catches errors before you import
Auto-Fix Malformed Workflows — Automatically repairs common issues
Architecture Recommendations — Suggests optimal workflow patterns
Security Scanning — Detects credential leaks and vulnerabilities
Performance Analysis — Identifies bottlenecks and optimization opportunities
Real Parameter Schemas — Loaded directly from n8n packages for accuracy
600+ Registered Node Types — Only real nodes, no hallucinations

Result: Workflows that actually import and run on first try.

Quick start

claude mcp add --transport http flowengine-n8n https://mcp-flowengine-n8n-workflow-builder.onrender.com/mcp

That points at the hosted server, so there is nothing to install and no daily cap. Claude Desktop, Cursor and the local install are under Setup by platform.

Video Demo

Feature Details

13-Point Validation Engine

Every workflow passes through 13 validation checks before output:

Node Type Validation — Verifies every node type exists in n8n
Connection Integrity — Ensures all connections reference existing nodes
Parameter Type Checking — Validates parameter types match node schemas
Required Fields — Checks all required parameters are present
Credential References — Validates credential configurations
Expression Syntax — Checks n8n expression syntax (={{ }})
Position Validation — Ensures nodes have valid canvas positions
Duplicate Detection — Catches duplicate node names
Orphan Node Detection — Finds disconnected nodes
Trigger Validation — Ensures workflows have proper entry points
Loop Detection — Identifies potential infinite loops
Output Mapping — Validates data flow between nodes
Version Compatibility — Checks node version compatibility

Auto-Fix Malformed Workflows

When validation finds issues, the engine automatically repairs them:

Missing positions → Auto-calculates layout on canvas
Invalid node names → Generates unique, valid names

GitHub에서 전체 README 보기

설치

npx @smithery/cli install @Ami3466/mcp-flowengine-n8n-workflow-builder --client claude

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설정

{
  "mcpServers": {
    "flowengine-n8n": {
      "url": "https://mcp-flowengine-n8n-workflow-builder.onrender.com/mcp",
      "transport": "http"
    }
  }
}