List capability shortcuts (e.g.
AI agents call list_capabilities to retrieve information from APIClaw without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries capability shortcut data for discovery purposes. There are no side effects, no data modification, no code execution, and no destructive operations. It is purely informational, consistent with the Read category definition of 'retrieves or queries data; no side effects (search, list, get, fetch)'.
From the tool's definition Tool name is 'list_capabilities' and description indicates it 'List[s] capability shortcuts'. The verb 'list' is a read operation that retrieves and presents information without modifying state.
Documented attack patterns abuse exactly the kind of access list_capabilities gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and APIClaw, and nothing reaches the server without passing your rules. This is the rule we recommend for list_capabilities:
{
"version": "1",
"default": "deny",
"tools": {
"list_capabilities": {}
}
}list_capabilities is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List capability shortcuts (e.g. It is categorised as a Read tool in the APIClaw MCP Server, which means it retrieves data without modifying state.
Register the APIClaw MCP server in PolicyLayer and add a rule for list_capabilities: 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 APIClaw. Nothing to install.
list_capabilities 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_capabilities 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_capabilities. 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_capabilities is provided by the APIClaw MCP server (nordsym/apiclaw). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from APIClaw, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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24 APIClaw tools catalogued and risk-classified — across an index of 43,000+ MCP servers.