slack_archive_channel
AI agents call slack_archive_channel to permanently remove resources in Mcp Gmail — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Archiving a channel removes it from active use and is difficult to reverse; it would classify as Destructive. However, the description is empty and this tool appears on a Gmail MCP server with GitHub-related sibling tools, creating context mismatch that significantly lowers confidence. The name alone suggests a destructive Slack operation.
From the tool's definition Tool name: 'slack_archive_channel' — 'archive_channel' suggests archiving (deactivating) a Slack channel, which is effectively irreversible in normal workflows.
Attacks that exploit this kind of access
slack_archive_channel. It is categorised as a Destructive tool in the Mcp Gmail MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mcp Gmail MCP server in PolicyLayer and add a rule for slack_archive_channel: 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 Gmail. Nothing to install.
slack_archive_channel is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the slack_archive_channel 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 slack_archive_channel. 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.
slack_archive_channel is provided by the Mcp Gmail MCP server (@monsoft/mcp-gmail). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
slack_archive_channel is one line of Mcp Gmail'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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