List the account's QR codes with optional search (q matches name/filename),
AI agents call list_qrcodes to retrieve information from QR Forge MCP server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation—it lists and searches QR codes using an optional query parameter. No side effects occur; it merely returns existing data. The blast radius of misuse is minimal since an agent could only enumerate QR codes already associated with the account.
From the tool's definition Tool name 'list_qrcodes' and description 'List the account's QR codes with optional search' indicate a query operation that retrieves data without modifying, creating, or deleting anything.
Attacks that exploit this kind of access
List the account's QR codes with optional search (q matches name/filename),. It is categorised as a Read tool in the QR Forge MCP server MCP Server, which means it retrieves data without modifying state.
Register the QR Forge MCP server MCP server in PolicyLayer and add a rule for list_qrcodes: 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 QR Forge MCP server. Nothing to install.
list_qrcodes 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_qrcodes 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_qrcodes. 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_qrcodes is provided by the QR Forge MCP server MCP server (jkolarov/qrforge-mcp). 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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