AI agents call list_all_tools to retrieve information from Allcanuse without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries or enumerates available tools on the system. It retrieves information without creating, modifying, deleting, or executing operations. The absence of description lowers confidence slightly, but the name unambiguously indicates a read-only listing operation.
From the tool's definition Tool name 'list_all_tools' indicates a listing/enumeration operation with no side effects. Description is empty, but the name alone strongly suggests retrieval of available tools without modification.
Documented attack patterns abuse exactly the kind of access list_all_tools gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Allcanuse, and nothing reaches the server without passing your rules. This is the rule we recommend for list_all_tools:
{
"version": "1",
"default": "deny",
"tools": {
"list_all_tools": {}
}
}list_all_tools 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_tools. It is categorised as a Read tool in the Allcanuse MCP Server, which means it retrieves data without modifying state.
Register the Allcanuse MCP server in PolicyLayer and add a rule for list_all_tools: 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 Allcanuse. Nothing to install.
list_all_tools 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_tools 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_tools. 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_tools is provided by the Allcanuse MCP server (ra1nyxin/allcanuse-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Allcanuse, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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130 Allcanuse tools catalogued and risk-classified — across an index of 43,000+ MCP servers.