Obtém a lista de participantes de um grupo específico na Zappaz API
AI agents call get_group_participants to retrieve information from Zappaz 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 information about group participants from the WhatsApp API without creating, modifying, or deleting any data. It is a straightforward query operation with minimal blast radius—the worst outcome from misuse would be unauthorized information disclosure about group membership, which is lower risk than Write, Execute, Destructive, or Financial operations available on this server.
From the tool's definition Tool name 'get_group_participants' and description 'Obtém a lista de participantes de um grupo específico na Zappaz API' (Gets the list of participants of a specific group in Zappaz API) indicates data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Obtém a lista de participantes de um grupo específico na Zappaz API. It is categorised as a Read tool in the Zappaz MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Zappaz MCP Server MCP server in PolicyLayer and add a rule for get_group_participants: 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 Zappaz MCP Server. Nothing to install.
get_group_participants 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 get_group_participants 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 get_group_participants. 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.
get_group_participants is provided by the Zappaz MCP Server MCP server (viiniolliveira/zappaz-mcp). 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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