List Stripe subscriptions, optionally for a single customer.
AI agents call list-subscriptions to retrieve information from Universal Mcp Toolkit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves subscription information from Stripe. Although it accesses financial data, the tool itself performs no financial transactions, money movements, or state changes. It is a read-only operation that retrieves existing subscription records. The severity is low because exposure of subscription metadata carries minimal risk compared to tools that could modify subscriptions or move funds.
From the tool's definition Tool name 'list-subscriptions' and description 'List Stripe subscriptions, optionally for a single customer' indicate retrieval of subscription data without modification.
Attacks that exploit this kind of access
List Stripe subscriptions, optionally for a single customer. It is categorised as a Read tool in the Universal Mcp Toolkit MCP Server, which means it retrieves data without modifying state.
Register the Universal Mcp Toolkit MCP server in PolicyLayer and add a rule for list-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 Universal Mcp Toolkit. Nothing to install.
list-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 list-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 list-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.
list-subscriptions is provided by the Universal Mcp Toolkit MCP server (markgatcha/universal-mcp-toolkit). 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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