// SCAN REPORT

Mcp N8n Builder

10 tools. 5 can modify or destroy data without limits.

1 destructive tool with no built-in limits. Policy required.

Last updated: 11 Jun 2026

5 can modify or destroy data

5 read-only

10 tools total

Community server · catalogue entry verified 11/06/2026

How to control Mcp N8n Builder ↓

TOOL MAP

Read (5) Write / Execute (4) Destructive / Financial (1)

MOST DANGEROUS TOOLS

Critical Risk

Destructive · High delete_workflow delete_workflow performs an irreversible deletion of a workflow. Execute · High activate_workflow Activating a workflow enables automated execution of potentially complex automation pipelines. Write · High update_workflow This tool modifies an existing n8n workflow by replacing its entire configuration. Write · High create_workflow This tool creates new data (workflows) in n8n through the REST API, which is a reversible write operation.

5 of Mcp N8n Builder's 10 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.

HOW TO CONTROL MCP N8N BUILDER

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp N8n Builder, and nothing reaches the server without passing your rules. These are the rules we recommend:

Deny destructive operations

{
  "delete_workflow": {
    "deny_if": [
      {
        "conditions": [],
        "on_deny": "Blocked by default. Requires approval."
      }
    ]
  }
}

Destructive tools should never be available to autonomous agents without human approval.

Rate limit write operations

{
  "deactivate_workflow": {
    "limits": [
      {
        "counter": "deactivate_workflow_per_hour",
        "window": "hour",
        "max": 30,
        "scope": "grant"
      }
    ]
  }
}

Prevents bulk unintended modifications from agents caught in loops.

Cap read operations

{
  "get_execution": {
    "limits": [
      {
        "counter": "get_execution_per_minute",
        "window": "minute",
        "max": 60,
        "scope": "grant"
      }
    ]
  }
}

Controls API costs and prevents retry loops from exhausting upstream rate limits.

Create a free account and register Mcp N8n Builder — nothing to install.
Add these rules — paste them, or build them visually. Tune the limits to your setup.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

ENFORCE POLICY ON MCP N8N BUILDER →

Free to start. No card required.

ALL 10 MCP N8N BUILDER TOOLS

DESTRUCTIVE 1 tools

Destructive delete_workflow Permanently deletes a workflow by its ID. This action cannot be undone, so use with caution. Consider deactiva

EXECUTE 1 tools

Execute activate_workflow Activates a workflow by its ID, enabling it to run automatically based on its trigger (schedule, webhook, etc.

WRITE 3 tools

Write deactivate_workflow Deactivates a workflow by its ID, preventing it from running automatically. The workflow will still exist and Write create_workflow Creates a new workflow in n8n with specified nodes and connections. Note that only workflows with automatic tr Write update_workflow Updates an existing workflow with new configuration. Typically used after retrieving a workflow with get_workf

READ 5 tools

Read get_execution Retrieves detailed information about a specific workflow execution, including execution time, status, and opti Read get_workflow Retrieves complete details of a specific workflow by its ID, including all nodes, connections, settings, and m Read list_available_nodes Lists all available nodes in the n8n instance. Use this tool BEFORE creating or updating workflows to ensure y Read list_executions Lists workflow execution history with details on success/failure status, duration, and timestamps. Use this to Read list_workflows Lists all workflows from n8n with their basic information including ID, name, status, creation date, and tags.

RELATED SERVERS

Other MCP servers with similar tools — same risk classification, starter policies for each.

FAQ

Can an AI agent delete data through the Mcp N8n Builder MCP server? +

Yes. The Mcp N8n Builder server exposes 1 destructive tools including delete_workflow. These permanently remove resources with no undo. PolicyLayer blocks destructive tools by default so they never reach the upstream server.

How do I prevent bulk modifications through Mcp N8n Builder? +

The Mcp N8n Builder server has 3 write tools including deactivate_workflow, create_workflow, update_workflow. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Mcp N8n Builder.

How many tools does the Mcp N8n Builder MCP server expose? +

10 tools across 3 categories: Destructive, Read, Write. 5 are read-only. 5 can modify, create, or delete data.

How do I enforce a policy on Mcp N8n Builder? +

Register the Mcp N8n Builder MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.

Enforce policy on every Mcp N8n Builder tool call.

Deterministic rules across all 10 Mcp N8n Builder tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

ENFORCE POLICY ON MCP N8N BUILDER →

Free to start. No card required.

10 Mcp N8n Builder tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

Mcp N8n Builder

// TOOL MAP

// MOST DANGEROUS TOOLS

// HOW TO CONTROL MCP N8N BUILDER

// ALL 10 MCP N8N BUILDER TOOLS

// RELATED SERVERS

// FAQ