Get the version of the installed Obsidian application.
AI agents call obsidian_get_app_version to retrieve information from Mcp Apple Obsidian without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves application version information, which is a read-only operation with no side effects. It does not create, modify, delete, or execute any code. The blast radius of misuse is minimal—an AI agent could only learn the installed version, posing no security or data integrity risk.
From the tool's definition Tool name 'obsidian_get_app_version' and description 'Get the version of the installed Obsidian application' indicate a query operation that retrieves application metadata without modifying any state or data.
Attacks that exploit this kind of access
Get the version of the installed Obsidian application. It is categorised as a Read tool in the Mcp Apple Obsidian MCP Server, which means it retrieves data without modifying state.
Register the Mcp Apple Obsidian MCP server in PolicyLayer and add a rule for obsidian_get_app_version: 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 Apple Obsidian. Nothing to install.
obsidian_get_app_version 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 obsidian_get_app_version 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 obsidian_get_app_version. 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.
obsidian_get_app_version is provided by the Mcp Apple Obsidian MCP server (rex/mcp-apple-obsidian). 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.
Teams ship this data inside their own products. See what a licence covers →