Get statistics about the Obsidian vault: total note count, all tags,
AI agents call get_vault_stats to retrieve information from MCP Server Learning without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves aggregate metadata about an Obsidian vault (note count, tags) without creating, modifying, deleting, or executing any operations. It is a read-only query operation with minimal security risk even if misused by an agent.
From the tool's definition Tool name 'get_vault_stats' and description 'Get statistics about the Obsidian vault: total note count, all tags' indicate a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get statistics about the Obsidian vault: total note count, all tags,. It is categorised as a Read tool in the MCP Server Learning MCP Server, which means it retrieves data without modifying state.
Register the MCP Server Learning MCP server in PolicyLayer and add a rule for get_vault_stats: 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 MCP Server Learning. Nothing to install.
get_vault_stats 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 get_vault_stats 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 get_vault_stats. 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.
get_vault_stats is provided by the MCP Server Learning MCP server (xstraven/mcp-server-learning). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
get_vault_stats is one line of MCP Server Learning's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →