Add members to an existing group chat conversation.
AI agents use addChatGroupMembers to create or update resources in Xdevplatform/xmcp — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Xdevplatform/xmcp environment.
This tool modifies chat group membership by adding members—a reversible write operation. It changes state (group roster) but does not delete data or execute arbitrary code.
From the tool's definition Tool name 'addChatGroupMembers' and description 'Add members to an existing group chat conversation' indicate modification of group membership state.
Attacks that exploit this kind of access
Add members to an existing group chat conversation. It is categorised as a Write tool in the Xdevplatform/xmcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Xdevplatform/x MCP server in PolicyLayer and add a rule for addChatGroupMembers: 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 Xdevplatform/xmcp. Nothing to install.
addChatGroupMembers is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the addChatGroupMembers 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 addChatGroupMembers. 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.
addChatGroupMembers is provided by the Xdevplatform/x MCP server (xdevplatform/xmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
addChatGroupMembers is one line of Xdevplatform/x's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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