MCP Server Policy

N8N MCP POLICY

Enforce policies on every tool call to the N8n MCP Server. 20 tools listed, categorised, and ready for rules.

czlonkowski/n8n-mcp 9 read 11 write 20 tools total
n8n workflow-automation no-code integrations

GET STARTED

Download this policy scaffold and add your rules. Intercept enforces them on every tool call before it reaches N8n.

terminal

# Download policy scaffold

curl -o n8n.yaml https://raw.githubusercontent.com/policylayer/intercept/main/policies/n8n.yaml

# Run with Intercept

intercept --policy n8n.yaml -- npx -y @czlonkowski/n8n-mcp

Server documentation: https://github.com/czlonkowski/n8n-mcp

READ TOOLS

9

WRITE TOOLS

9

DESTRUCTIVE TOOLS

1

EXECUTE TOOLS

1

POLICY YAML

This scaffold lists every tool with empty rules. Add conditions — rate limits, argument validation, deny rules — then deploy with Intercept.

n8n.yaml 
version: "1"
description: "Policy for czlonkowski/n8n-mcp"
default: "allow"
tools:
    tools_documentation:
        rules: []
    search_nodes:
        rules: []
    get_node:
        rules: []
    search_templates:
        rules: []
    get_template:
        rules: []
    n8n_get_workflow:
        rules: []
    n8n_list_workflows:
        rules: []
    n8n_executions:
        rules: []
    n8n_health_check:
        rules: []
    validate_node:
        rules: []
    validate_workflow:
        rules: []
    n8n_create_workflow:
        rules: []
    n8n_update_full_workflow:
        rules: []
    n8n_update_partial_workflow:
        rules: []
    n8n_validate_workflow:
        rules: []
    n8n_autofix_workflow:
        rules: []
    n8n_workflow_versions:
        rules: []
    n8n_deploy_template:
        rules: []
    n8n_test_workflow:
        rules: []
    n8n_delete_workflow:
        rules: []

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FREQUENTLY ASKED QUESTIONS

What tools does the N8n MCP server expose?

The N8n MCP Server exposes 20 tools across 4 categories: Read, Write, Execute, Destructive. Each tool can be individually controlled with Intercept policies.

How do I enforce policies on N8n?

Download the policy scaffold, add rules (rate limits, argument validation, deny rules), then run Intercept as a proxy in front of the N8n MCP server. Every tool call is evaluated against your YAML policy before execution.

Is the N8n policy free to use?

Yes. All Intercept policies are open source under the Apache 2.0 licence. Download, modify, and deploy without restrictions.

ENFORCE POLICIES ON N8N

Open source. One binary. Zero dependencies.

VIEW ON GITHUB Browse all policies →