List all icons in a specific category
AI agents call list_all_icons_by_category to retrieve information from Lucide Icons MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves icon data from a category without creating, modifying, deleting, or executing anything. It is purely informational and safe. Low severity because the blast radius of misuse is minimal—an agent could only enumerate icons, which causes no harm.
From the tool's definition Tool name and description indicate retrieval: 'List all icons in a specific category'. The verb 'list' is a read-only operation that queries and returns data without modification or side effects.
Documented attack patterns abuse exactly the kind of access list_all_icons_by_category gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Lucide Icons MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for list_all_icons_by_category:
{
"version": "1",
"default": "deny",
"tools": {
"list_all_icons_by_category": {}
}
}list_all_icons_by_category is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all icons in a specific category. It is categorised as a Read tool in the Lucide Icons MCP MCP Server, which means it retrieves data without modifying state.
Register the Lucide Icons MCP server in PolicyLayer and add a rule for list_all_icons_by_category: 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 Lucide Icons MCP. Nothing to install.
list_all_icons_by_category is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_all_icons_by_category 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 list_all_icons_by_category. 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.
list_all_icons_by_category is provided by the Lucide Icons MCP server (seeyangzhi/lucide-icons-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 7 Lucide Icons MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
7 Lucide Icons MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.