list_workflows

Servern8n Workflow Builder MCP Server
CategoryRead

WHAT IT DOES

What list_workflows does on n8n Workflow Builder MCP Server

AI agents call list_workflows to retrieve information from n8n Workflow Builder MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why list_workflows needs a policy

list_workflows retrieves and queries existing workflow data without side effects. It provides an overview of the automation landscape but does not create, modify, delete, or execute any workflows. This is a straightforward read operation that poses minimal risk even if misused by an AI agent.

From the tool's definition Tool is described as 'List all workflows' which 'Returns a comprehensive list' of workflows with metadata. The action is purely informational retrieval with no modification, creation, deletion, or execution of workflows.

Documented attack patterns abuse exactly the kind of access list_workflows gives an agent:

POLICY

How to control list_workflows

PolicyLayer is an MCP gateway — it sits between your AI agents and n8n Workflow Builder MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_workflows:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_workflows": {}
  }
}

list_workflows is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register n8n Workflow Builder MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More n8n Workflow Builder MCP Server tools

Destructive delete_credential Delete a credential by ID. This will remove the credential and make it unavailable for wor Destructive delete_execution Delete a workflow execution record from the n8n instance Destructive delete_tag Remove unused tags from the system Destructive delete_workflow Delete an n8n workflow Destructive remove_node Remove a node from a workflow (also removes its connections) Execute execute_workflow Trigger immediate execution of a workflow by its ID. Starts the workflow manually regardle Execute activate_workflow Activate an n8n workflow Execute create_workflow_and_activate Create and activate an n8n workflow

All 34 n8n Workflow Builder MCP Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_workflows

What does the list_workflows tool do? +

List all workflows from your n8n instance. Returns a comprehensive list of all workflows with their IDs, names, status (active/inactive), creation dates, and basic metadata. Perfect for getting an overview of your automation landscape. It is categorised as a Read tool in the n8n Workflow Builder MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_workflows? +

Register the n8n Workflow Builder MCP Server MCP server in PolicyLayer and add a rule for list_workflows: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches n8n Workflow Builder MCP Server. Nothing to install.

What risk level is list_workflows? +

list_workflows is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_workflows? +

Yes. Add a rate_limit block to the list_workflows rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block list_workflows completely? +

Set action: deny in the PolicyLayer policy for list_workflows. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides list_workflows? +

list_workflows is provided by the n8n Workflow Builder MCP Server MCP server (makafeli/n8n-workflow-builder). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every n8n Workflow Builder MCP Server tool call.

Start from n8n Workflow Builder MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

Free to start. No card required.

34 n8n Workflow Builder MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.