return the current servo positions as a JSON object with keys s1–s5
AI agents call get_state to retrieve information from Nova Control without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only reads and returns the current servo positions of the NOVA robot. It performs no modifications, deletions, code execution, or external operations—it is a pure data retrieval operation with no capability to alter robot state or behavior.
From the tool's definition Tool name 'get_state' and description 'return the current servo positions as a JSON object' indicate a query operation that retrieves data about the robot's current state with no side effects.
Attacks that exploit this kind of access
return the current servo positions as a JSON object with keys s1–s5. It is categorised as a Read tool in the Nova Control MCP Server, which means it retrieves data without modifying state.
Register the Nova Control MCP server in PolicyLayer and add a rule for get_state: 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 Nova Control. Nothing to install.
get_state 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 get_state 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 get_state. 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.
get_state is provided by the Nova Control MCP server (nova-control-mcp-server). 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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