List all available skill categories in OKX Skills Marketplace. Use the returned categoryId as input to skills_search for category filtering. Do NOT use for searching or downloading skills - use skills_search or skills_download.
AI agents call skills_get_categories to retrieve information from Okx Trade without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about available skill categories from the OKX Skills Marketplace. It performs a simple query/list operation that returns information for filtering purposes. No data is modified, deleted, or financial transactions are involved. The low severity reflects that category metadata retrieval poses minimal risk even if misused by an agent.
From the tool's definition Tool description states it 'List all available skill categories' and explicitly states 'Do NOT use for searching or downloading skills'. This is a retrieval operation with no side effects.
Attacks that exploit this kind of access
List all available skill categories in OKX Skills Marketplace. Use the returned categoryId as input to skills_search for category filtering. Do NOT use for searching or downloading skills - use skills_search or skills_download. It is categorised as a Read tool in the Okx Trade MCP Server, which means it retrieves data without modifying state.
Register the Okx Trade MCP server in PolicyLayer and add a rule for skills_get_categories: 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 Okx Trade. Nothing to install.
skills_get_categories 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 skills_get_categories 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 skills_get_categories. 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.
skills_get_categories is provided by the Okx Trade MCP server (@okx_ai/okx-trade-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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