AI agents call list_workflows to retrieve information from N8n without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays workflow metadata without creating, modifying, deleting, or executing any workflows. It has no adverse effects beyond information disclosure. The filtering parameters are read-only query operations. Severity is low because listing workflows reveals workflow definitions but does not permit direct execution or modification.
From the tool's definition Tool name 'list_workflows' and description 'List all workflows' indicates data retrieval with no modifications. The description specifies filtering capabilities (active status, tags, name, project) which are purely query parameters with no side effects.
Attacks that exploit this kind of access
List all workflows with optional filtering by active status, tags, name, or project. It is categorised as a Read tool in the N8n MCP Server, which means it retrieves data without modifying state.
Register the N8n 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. Nothing to install.
list_workflows is a Read tool with low risk. Read-only tools are generally safe to allow by default.
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.
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.
list_workflows is provided by the N8n MCP server (siddharth0903/n8n-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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