list_flows

Use this to discover available Genkit flows or inspect the input schema of Genkit flows to know how to successfully call them.

SERVERGenkit MCP SOURCEgenkit-ai/genkit

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/firebase-genkit/list-flows.md

WHAT IT DOES

What list_flows does on Genkit MCP

AI agents call list_flows to retrieve information from Genkit MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_flows is rated Low

This tool retrieves metadata about available flows and their schemas. It performs discovery and inspection operations without modifying, executing, or deleting any data. The intended use is to help callers understand what flows are available and how to call them, which is a read-only operation with minimal security risk.

From the tool's definition Tool name 'list_flows' and description explicitly states it is used to 'discover available Genkit flows or inspect the input schema' — purely informational retrieval with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_flows safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Genkit MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_flows, this is the rule to start with:

list_flows Allowed

list_flows is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Genkit MCP, apply this rule, and every list_flows call is checked against it from then on.

FAQ

Questions about list_flows

What does the list_flows tool do? +

Use this to discover available Genkit flows or inspect the input schema of Genkit flows to know how to successfully call them. It is categorised as a Read tool in the Genkit MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_flows? +

Register the Genkit MCP server in PolicyLayer and add a rule for list_flows: 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 Genkit MCP. Nothing to install.

What risk level is list_flows? +

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

Can I rate-limit list_flows? +

Yes. Add a rate_limit block to the list_flows 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_flows completely? +

Set action: deny in the PolicyLayer policy for list_flows. 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_flows? +

list_flows is provided by the Genkit MCP server (genkit-ai/genkit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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