This record as markdown: /tools/ghl/get-subscription-by-id.md
What get_subscription_by_id does on Ghl
AI agents call get_subscription_by_id to retrieve information from Ghl without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
altId | string | Yes | Alt ID (unique identifier like location ID) |
altType | string | Yes | Alt Type |
subscriptionId | string | Yes | ID of the subscription to retrieve |
Parameters from the server's own tool schema.
Why get_subscription_by_id is rated Low
This tool retrieves subscription data by ID without modifying, deleting, or executing any operations. It is a simple read operation that queries existing data. The low severity reflects minimal blast radius even if misused by an AI agent—it only exposes subscription information that likely already exists and is accessible within the system context.
From the tool's definition Tool name 'get_subscription_by_id' and description 'Get a specific subscription by its ID' indicate a retrieval operation with no modification.
Attacks that exploit this kind of access
The rule that runs get_subscription_by_id safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ghl, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_subscription_by_id, this is the rule to start with:
get_subscription_by_id is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ghl, apply this rule, and every get_subscription_by_id call is checked against it from then on.
Questions about get_subscription_by_id
Get a specific subscription by its ID. It is categorised as a Read tool in the Ghl MCP Server, which means it retrieves data without modifying state.
get_subscription_by_id accepts 3 parameters: altId, altType, subscriptionId. Required: altId, altType, subscriptionId. The full parameter table on this page comes from the server's own tool schema.
Register the Ghl MCP server in PolicyLayer and add a rule for get_subscription_by_id: 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 Ghl. Nothing to install.
get_subscription_by_id 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_subscription_by_id 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_subscription_by_id. 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_subscription_by_id is provided by the Ghl MCP server (ghl-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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