AI agents call karea_list_notes to retrieve information from Karea without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Listing notes retrieves existing data without modifying, deleting, or executing anything. This is a straightforward Read operation. The low severity reflects minimal blast radius: an AI agent misusing this tool can only retrieve task notes it may already have access to, with no destructive or operational consequences.
From the tool's definition Tool name is 'karea_list_notes' and description states 'List notes on a task' — this is a retrieval/query operation with no side effects.
Attacks that exploit this kind of access
List notes on a task. It is categorised as a Read tool in the Karea MCP Server, which means it retrieves data without modifying state.
Register the Karea MCP server in PolicyLayer and add a rule for karea_list_notes: 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 Karea. Nothing to install.
karea_list_notes 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 karea_list_notes 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 karea_list_notes. 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.
karea_list_notes is provided by the Karea MCP server (starecz/karea-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
karea_list_notes is one line of Karea's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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