AI agents call message_complete_notification as a supporting operation in Interactive MCP workflows.
With no description available, classification relies solely on the tool name. 'message_complete_notification' implies signaling that a message or operation has completed — a passive notification action that doesn't clearly fit Read, Write, Execute, Destructive, or Financial. Confidence is low due to the absence of any description.
From the tool's definition Tool description is empty and uninformative; the name 'message_complete_notification' suggests a notification/callback mechanism rather than data retrieval, modification, execution, or financial operation.
Documented attack patterns abuse exactly the kind of access message_complete_notification gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Interactive MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for message_complete_notification:
{
"version": "1",
"default": "deny",
"tools": {
"message_complete_notification": {
"limits": [
{
"counter": "message_complete_notification_rate",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
}
}message_complete_notification gets a rate cap, and everything else on the server is denied unless you say otherwise.
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message_complete_notification. It is categorised as a Other tool in the Interactive MCP MCP Server, which means it performs auxiliary operations.
Register the Interactive MCP server in PolicyLayer and add a rule for message_complete_notification: 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 Interactive MCP. Nothing to install.
message_complete_notification is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the message_complete_notification 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 message_complete_notification. 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.
message_complete_notification is provided by the Interactive MCP server (ttommyth/interactive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 Interactive MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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5 Interactive MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.