AI agents call list_models to retrieve information from Run Iq without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries metadata about available models within the policy engine. It retrieves information about model schemas and properties without creating, modifying, deleting, or executing any models or rules. The blast radius of misuse is minimal—an attacker gains only visibility into available calculation models, which is informational and does not enable direct harm or state changes.
From the tool's definition Tool name and description indicate retrieval only: 'List all available calculation models' with 'Shows model name, version, source plugin, and expected parameters.' No modification, deletion, execution, or financial operations are performed.
Attacks that exploit this kind of access
List all available calculation models with their parameter schemas. Shows model name, version, source plugin, and expected parameters. It is categorised as a Read tool in the Run Iq MCP Server, which means it retrieves data without modifying state.
Register the Run Iq MCP server in PolicyLayer and add a rule for list_models: 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 Run Iq. Nothing to install.
list_models 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_models 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_models. 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_models is provided by the Run Iq MCP server (run-iq/mcp-server). 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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