Manages browser storage. For localStorage: get/set/remove items, clear all, or list keys. For cookies: get all cookies, get cookies for a URL, or clear all browsing data (nuclear — clears cookies, cache, and localStorage).
AI agents use manage_storage to create or update resources in Tauri Plugin — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tauri Plugin environment.
This tool modifies browser storage (localStorage, cookies) reversibly by standard web semantics—new data can be written afterward. The destructive aspect (clearing all data) is subordinate to the write/management operations.
From the tool's definition The tool can 'set/remove items, clear all' storage and 'clear all browsing data (nuclear — clears cookies, cache, and localStorage)'.
Risk signalsBulk/mass operation — affects multiple targets
Documented attack patterns abuse exactly the kind of access manage_storage gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Tauri Plugin, and nothing reaches the server without passing your rules. This is the rule we recommend for manage_storage:
{
"version": "1",
"default": "deny",
"tools": {
"manage_storage": {
"limits": [
{
"counter": "manage_storage_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}manage_storage stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Manages browser storage. For localStorage: get/set/remove items, clear all, or list keys. For cookies: get all cookies, get cookies for a URL, or clear all browsing data (nuclear — clears cookies, cache, and localStorage). It is categorised as a Write tool in the Tauri Plugin MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Tauri Plugin MCP server in PolicyLayer and add a rule for manage_storage: 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 Tauri Plugin. Nothing to install.
manage_storage is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the manage_storage 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 manage_storage. 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.
manage_storage is provided by the Tauri Plugin MCP server (p3gleg/tauri-plugin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 13 Tauri Plugin tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
13 Tauri Plugin tools catalogued and risk-classified — across an index of 42,500+ MCP servers.