rag_cache_clear

// WHEN AI AGENTS USE THIS TOOL

AI agents may call rag_cache_clear to permanently remove or destroy resources in Grok Faf. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. Intercept blocks destructive tools by default and requires explicit human approval before enabling them.

// WHY ENFORCE A POLICY ON RAG_CACHE_CLEAR

Without a policy, an AI agent could call rag_cache_clear in a loop, permanently destroying resources in Grok Faf. There is no undo for destructive operations. Intercept blocks this tool by default and only allows it when a human explicitly approves the action.

// RECOMMENDED POLICY

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

faf-for-grok-first-mcp-server-built-for-xai.yaml

tools:
  rag_cache_clear:
    rules:
      - action: deny
        reason: "Blocked by default — enable with approval"

See the full Grok Faf policy for all 20 tools.

// DETAILS

Tool Name rag_cache_clear

Category Destructive

MCP Server Grok Faf MCP Server

Risk Level Critical

// MORE GROK FAF TOOLS

Destructive faf_clear Execute faf_chat Write faf_init Write faf_write Read faf_about Read faf_bi_sync Read faf_debug Read faf_enhance

View all 20 tools →

// WHAT CAN GO WRONG

Agents calling destructive-class tools like rag_cache_clear have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

// OTHER DESTRUCTIVE TOOLS ACROSS MCP SERVERS

Other tools in the Destructive risk category across the catalogue. The same policy patterns (deny, require_approval) apply to each.

AbraFlexi contact_delete AbraFlexi evidence_delete AbraFlexi invoice_issued_delete AbraFlexi product_delete Agent Passport System — Cryptographic Identity for AI Agents remove_intent_card Agent Passport System — Cryptographic Identity for AI Agents revoke_delegation

// IN CONTEXT OF CRITICAL RISK

rag_cache_clear is one of the critical-risk operations in Grok Faf. For the full severity-focused view — only the critical-risk tools with their recommended policies — see the breakdown for this server, or browse all critical-risk tools across every MCP server.

// RELATED READING

// FAQ

What does the rag_cache_clear tool do? +

Clear the LAZY-RAG cache to start fresh. It is categorised as a Destructive tool in the Grok Faf MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on rag_cache_clear? +

Add a rule in your Intercept YAML policy under the tools section for rag_cache_clear. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Grok Faf MCP server.

What risk level is rag_cache_clear? +

rag_cache_clear is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit rag_cache_clear? +

Yes. Add a rate_limit block to the rag_cache_clear rule in your Intercept 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.

How do I block rag_cache_clear completely? +

Set action: deny in the Intercept policy for rag_cache_clear. 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.

What MCP server provides rag_cache_clear? +

rag_cache_clear is provided by the Grok Faf MCP server (grok-faf-mcp). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policies on Grok Faf