List all available skills/capabilities.
AI agents call list_skills to retrieve information from MidOS - MCP Community Library 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 skills in the MidOS knowledge API. It performs no write, destructive, execute, or financial operations. The information returned is already public within the system and discovering available capabilities poses minimal risk.
From the tool's definition Tool name 'list_skills' and description 'List all available skills/capabilities' indicate a retrieval operation with no side effects. The verb 'list' is a classic read operation that queries and returns data without modification.
Attacks that exploit this kind of access
List all available skills/capabilities. It is categorised as a Read tool in the MidOS - MCP Community Library MCP Server, which means it retrieves data without modifying state.
Register the MidOS - MCP Community Library MCP server in PolicyLayer and add a rule for list_skills: 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 MidOS - MCP Community Library. Nothing to install.
list_skills 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_skills 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_skills. 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_skills is provided by the MidOS - MCP Community Library MCP server (midos-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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