MCP connectors
n8n-workflow-builder
Let an assistant build and run your n8n workflows
★ 542
March 2026
MIT
MCP connectors
What we checked ourselves
Not copied from the project's own blurb. These are things we opened and verified, with the date.
- 23 Aug 2026We checked that the link to the project still resolves.
- 14 Aug 2026We read the licence text itself (LICENSE). No unusual restrictions were stated.
- 1 Sept 2026We read the project's own documentation and found no sign that development has stopped.
Where this sits among the 47 tools we list in MCP connectors
- Commercial use confirmed as allowed45 of 47
- Requires terminal commands3 that do not →
- Requires an API key28 that do not →
- Sends your input to the provider17 that do not →
Counted from our own checks: every tool we list is examined against the same criteria.
What it does
An MCP server that connects Claude Desktop, ChatGPT and others to an n8n instance, so "build me a workflow that does X" turns into an actual workflow you can inspect, run and manage. That also means an assistant with the ability to execute production automations — ones that send mail and write to other systems — so point it at a test instance first and hand it a scoped credential rather than a full-access one. Quiet since March 2026. MIT.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals
Before you start
- Setup difficultySome setup needed
- Command lineRequired
- API keyRequired
- Sends data onlineYes
Judged automatically from the project's own metadata. Always confirm on the official page.
n8n-workflow-builder FAQ
- Is n8n-workflow-builder free?
- n8n-workflow-builder itself is free, but it needs an API key for an external AI service. That service charges separately, though some have a free tier.
- Do I need to install anything or write code to use n8n-workflow-builder?
- It connects to an MCP-capable AI app such as Claude. It does not run on its own.
- Does n8n-workflow-builder work on a phone?
- No. It needs a computer.
- Can I use n8n-workflow-builder commercially?
- The licence is MIT, which permits commercial use. Conditions such as keeping the copyright notice still apply, so read the licence text before shipping it inside something.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| n8n-workflow-builder (this page) | Required | Required | Yes | No | Yes |
| n8n-mcp | Required | Required | Yes | No | Yes |
| google_workspace_mcp | Required | Required | Yes | No | Yes |
| MCP Servers | Required | Not needed | Yes | No | Yes |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.