storage_clear_local

Clear all localStorage data.

SERVERMcp Anything SOURCEZaymadkid/mcp-anything

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-anything/storage-clear-local.md

WHAT IT DOES

What storage_clear_local does on Mcp Anything

AI agents call storage_clear_local to permanently remove resources in Mcp Anything, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why storage_clear_local is rated Critical

This tool permanently erases all browser localStorage data with no undo mechanism. While scoped to client-side storage rather than backend databases, the irreversible nature and potential to destroy user session state, preferences, authentication tokens, and application data justifies the Destructive category. The 'clear all' scope amplifies risk compared to targeted deletion.

From the tool's definition storage_clear_local: 'Clear all localStorage data.' — uses 'clear' which indicates irreversible deletion of all localStorage without granular control or recovery option.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs storage_clear_local safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Anything, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For storage_clear_local, this is the rule to start with:

storage_clear_local Hidden

storage_clear_local is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "storage_clear_local"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Anything, apply this rule, and every storage_clear_local call is checked against it from then on.

FAQ

Questions about storage_clear_local

What does the storage_clear_local tool do? +

Clear all localStorage data. It is categorised as a Destructive tool in the Mcp Anything 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 storage_clear_local? +

Register the Mcp Anything MCP server in PolicyLayer and add a rule for storage_clear_local: 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 Anything. Nothing to install.

What risk level is storage_clear_local? +

storage_clear_local 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 storage_clear_local? +

Yes. Add a rate_limit block to the storage_clear_local 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.

How do I block storage_clear_local completely? +

Set action: deny in the PolicyLayer policy for storage_clear_local. 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 storage_clear_local? +

storage_clear_local is provided by the Mcp Anything MCP server (Zaymadkid/mcp-anything). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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