Clear all documents from the knowledge base.
AI agents call clear_all_documents to permanently remove resources in MyAIGist MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool performs a bulk deletion operation that cannot be undone and destroys all persistent data in the knowledge base. While not financially motivated, the complete erasure of the knowledge store represents significant data loss. Given the high confidence in destructive intent and the severity of losing an entire document repository, this warrants 'high' severity and the Destructive category.
From the tool's definition Tool name: 'clear_all_documents'; description: 'Clear all documents from the knowledge base.' The verb 'clear' combined with 'all documents' indicates irreversible deletion of all stored data in the vector store.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Clear all documents from the knowledge base. It is categorised as a Destructive tool in the MyAIGist MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the MyAIGist MCP server in PolicyLayer and add a rule for clear_all_documents: 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 MyAIGist MCP. Nothing to install.
clear_all_documents 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 clear_all_documents 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 clear_all_documents. 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.
clear_all_documents is provided by the MyAIGist MCP server (schwim23/myaigist_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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