Get a note from the Obsidian vault
AI agents call get_note to retrieve information from ObsidianReaderMCP 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 an existing note from the vault without creating, modifying, deleting, or executing anything. It is a straightforward read operation with no side effects. Severity is low because retrieving notes poses minimal risk unless the vault contains highly sensitive information, but the tool itself has no destructive or harmful capability.
From the tool's definition Tool name 'get_note' and description 'Get a note from the Obsidian vault' indicate a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get a note from the Obsidian vault. It is categorised as a Read tool in the ObsidianReaderMCP MCP Server, which means it retrieves data without modifying state.
Register the ObsidianReader MCP server in PolicyLayer and add a rule for get_note: 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 ObsidianReaderMCP. Nothing to install.
get_note 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_note 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_note. 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_note is provided by the ObsidianReader MCP server (qianjue-cn/obsidianreadermcp). 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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