nina_get_filterwheel_info

THE RISK

Low Risk

Why nina_get_filterwheel_info needs a policy

This tool retrieves existing information about the filter wheel configuration (likely filter names, positions, or status) without modifying equipment state, executing commands, or triggering image captures. It is a pure read operation with minimal security impact even if misused by an AI agent.

From the tool's definition Tool name 'nina_get_filterwheel_info' and description 'Get filter wheel information from NINA astronomy software' indicates a query/retrieval operation with no side effects.

Documented attack patterns abuse exactly the kind of access nina_get_filterwheel_info gives an agent:

POLICY

How to control nina_get_filterwheel_info

PolicyLayer is an MCP gateway — it sits between your AI agents and Nina Advanced API MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for nina_get_filterwheel_info:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "nina_get_filterwheel_info": {}
  }
}

nina_get_filterwheel_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Nina Advanced API MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about nina_get_filterwheel_info

What does the nina_get_filterwheel_info tool do? +

Get filter wheel information from NINA astronomy software. It is categorised as a Read tool in the Nina Advanced API MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on nina_get_filterwheel_info? +

Register the Nina Advanced API MCP server in PolicyLayer and add a rule for nina_get_filterwheel_info: 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 Nina Advanced API MCP. Nothing to install.

What risk level is nina_get_filterwheel_info? +

nina_get_filterwheel_info is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit nina_get_filterwheel_info? +

Yes. Add a rate_limit block to the nina_get_filterwheel_info 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.

How do I block nina_get_filterwheel_info completely? +

Set action: deny in the PolicyLayer policy for nina_get_filterwheel_info. 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.

What MCP server provides nina_get_filterwheel_info? +

nina_get_filterwheel_info is provided by the Nina Advanced API MCP server (padev1/nina_advanced_api_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Nina Advanced API MCP tool call.

Start from Nina Advanced API MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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