AI agents call n8n_list_executions to retrieve information from Mcp 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 queries execution history data without performing any side effects, modifications, or destructive operations. It enables filtering and searching through existing execution records, which is characteristic of a Read operation.
From the tool's definition Tool name contains 'list' and description states 'List workflow executions with optional filtering' - a pure query operation with no modification of state.
Attacks that exploit this kind of access
List workflow executions with optional filtering. It is categorised as a Read tool in the Mcp N8n MCP Server, which means it retrieves data without modifying state.
Register the Mcp N8n MCP server in PolicyLayer and add a rule for n8n_list_executions: 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 Mcp N8n. Nothing to install.
n8n_list_executions 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 n8n_list_executions 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 n8n_list_executions. 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.
n8n_list_executions is provided by the Mcp N8n MCP server (lyzetam/mcp-n8n). 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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