List all available archive months. Returns months sorted newest first. Use to discover which months have archived data.
AI agents call listArchiveMonths to retrieve information from Knowledge MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists metadata about archived data structure (months) with no side effects. It enables discovery/exploration of existing archived information but does not create, modify, execute external operations, or destroy any data. This is clearly a Read operation with low severity since it only returns informational listings.
From the tool's definition Tool name 'listArchiveMonths' and description 'List all available archive months' indicate a read-only query operation. Returns discovery data about archived months without modifying or deleting any content.
Attacks that exploit this kind of access
List all available archive months. Returns months sorted newest first. Use to discover which months have archived data. It is categorised as a Read tool in the Knowledge MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Knowledge MCP Server MCP server in PolicyLayer and add a rule for listArchiveMonths: 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 Knowledge MCP Server. Nothing to install.
listArchiveMonths 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 listArchiveMonths 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 listArchiveMonths. 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.
listArchiveMonths is provided by the Knowledge MCP Server MCP server (vuluu2k/knowledge_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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