AI agents call neptime_get_subscriptions to retrieve information from Neptime without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user subscription information without creating, modifying, or deleting any data. It is purely informational and poses minimal risk if misused by an AI agent, as the worst outcome would be unauthorized access to the user's subscription list — a read-only operation. Classified as Read with low severity.
From the tool's definition Tool description states 'Get list of channels you are subscribed to' — a retrieval operation with no data modification. Arguments are pagination parameters (limit, offset) typical of query operations. Returns an array of data without side effects.
Attacks that exploit this kind of access
Get list of channels you are subscribed to. Args: - limit: Max results 1-100 (default: 20) - offset: Pagination offset (default: 0) Returns: Array of subscribed channels. It is categorised as a Read tool in the Neptime MCP Server, which means it retrieves data without modifying state.
Register the Neptime MCP server in PolicyLayer and add a rule for neptime_get_subscriptions: 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 Neptime. Nothing to install.
neptime_get_subscriptions 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 neptime_get_subscriptions 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 neptime_get_subscriptions. 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.
neptime_get_subscriptions is provided by the Neptime MCP server (neptime-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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