AI agents call list_services to retrieve information from Oxide without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a non-destructive health check and status inquiry on configured services. It returns information about service availability without side effects, making it a Read category tool. The severity is low because misuse would only expose status information, not enable harmful operations or data modification.
From the tool's definition Tool description states 'Check health and availability' which is a read-only query operation that retrieves status information without modifying any services or data.
Attacks that exploit this kind of access
Check health and availability of all configured LLM services. It is categorised as a Read tool in the Oxide MCP Server, which means it retrieves data without modifying state.
Register the Oxide MCP server in PolicyLayer and add a rule for list_services: 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 Oxide. Nothing to install.
list_services 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_services 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_services. 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_services is provided by the Oxide MCP server (yayoboy/oxide). 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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