List all predefined prompts available in the environment.
AI agents call list_prompts to retrieve information from API Registry MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates metadata about existing prompts without creating, modifying, deleting, or executing anything. It is a straightforward query operation with minimal blast radius if misused by an agent.
From the tool's definition Tool name 'list_prompts' and description 'List all predefined prompts available in the environment' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List all predefined prompts available in the environment. It is categorised as a Read tool in the API Registry MCP Server MCP Server, which means it retrieves data without modifying state.
Register the API Registry MCP Server MCP server in PolicyLayer and add a rule for list_prompts: 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 API Registry MCP Server. Nothing to install.
list_prompts 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_prompts 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_prompts. 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_prompts is provided by the API Registry MCP Server MCP server (lucamilletti99/dataverse_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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