List all available prompt templates with optional filtering by category or search query
AI agents call list_templates to retrieve information from MCP Prompt Template Selector 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 data from a template database without side effects. It performs a read-only operation (list/fetch) with optional filtering parameters. There is no capability to modify, delete, execute code, or commit financial actions. The minimal severity reflects that exposing a list of prompt templates poses negligible security risk even if misused by an AI agent.
From the tool's definition Tool name 'list_templates' and description explicitly states it 'List[s] all available prompt templates' — a retrieval operation with no modification, deletion, or execution capability.
Attacks that exploit this kind of access
List all available prompt templates with optional filtering by category or search query. It is categorised as a Read tool in the MCP Prompt Template Selector MCP Server, which means it retrieves data without modifying state.
Register the MCP Prompt Template Selector MCP server in PolicyLayer and add a rule for list_templates: 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 Prompt Template Selector. Nothing to install.
list_templates 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_templates 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_templates. 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_templates is provided by the MCP Prompt Template Selector MCP server (vadimber2/mcp-prompt-tool). 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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