Check stock availability for a single drug (generic or brand name).
AI agents call check_stock to retrieve information from MCPDischarge without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward data retrieval tool that queries pharmacy stock levels. It has no capability to dispense, modify inventory, execute commands, or affect financial systems. The operation is read-only with minimal blast radius if misused—an attacker could only enumerate available drugs and quantities, which is low-sensitivity operational metadata in a healthcare context.
From the tool's definition Tool name 'check_stock' and description 'Check stock availability for a single drug' indicates a query/lookup operation with no side effects. It retrieves inventory information without creating, modifying, deleting, or executing any operations.
Attacks that exploit this kind of access
Check stock availability for a single drug (generic or brand name). It is categorised as a Read tool in the MCPDischarge MCP Server, which means it retrieves data without modifying state.
Register the MCPDischarge MCP server in PolicyLayer and add a rule for check_stock: 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 MCPDischarge. Nothing to install.
check_stock 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 check_stock 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 check_stock. 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.
check_stock is provided by the MCPDischarge MCP server (prashantsingh1234/mcp_project). 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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