Search templates by text
AI agents call search_templates to retrieve information from Evolution API WhatsApp 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 template data based on search criteria. It queries existing message templates without creating, modifying, deleting, or executing any templates. The operation is read-only with no capability to change state or trigger external actions.
From the tool's definition Tool name 'search_templates' and description 'Search templates by text' indicate a query/retrieval operation with no side effects. The verb 'search' is a read-only action that retrieves information without modification.
Attacks that exploit this kind of access
Search templates by text. It is categorised as a Read tool in the Evolution API WhatsApp MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Evolution API WhatsApp MCP Server MCP server in PolicyLayer and add a rule for search_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 Evolution API WhatsApp MCP Server. Nothing to install.
search_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 search_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 search_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.
search_templates is provided by the Evolution API WhatsApp MCP Server MCP server (luiso2/mcp-evolution-api). 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.
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