Check your current credit balance and subscription plan.
AI agents call credits.check_balance to retrieve information from Kelnix Datamind Curator without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only queries and returns the user's credit balance and subscription details. It has no side effects, does not modify data, does not execute external operations, and does not move money. It is a straightforward read operation. Severity is low because misuse would only expose the user's own account information, with minimal blast radius.
From the tool's definition Tool name is 'credits.check_balance' and description states 'Check your current credit balance and subscription plan' — this retrieves account information without modifying, deleting, or executing operations.
Attacks that exploit this kind of access
Check your current credit balance and subscription plan. It is categorised as a Read tool in the Kelnix Datamind Curator MCP Server, which means it retrieves data without modifying state.
Register the Kelnix Datamind Curator MCP server in PolicyLayer and add a rule for credits.check_balance: 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 Kelnix Datamind Curator. Nothing to install.
credits.check_balance 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 credits.check_balance 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 credits.check_balance. 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.
credits.check_balance is provided by the Kelnix Datamind Curator MCP server (kelnixsolutions/kelnix-datamind-curator). 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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