list_notes
AI agents call list_notes to retrieve information from Obsidian MCP (pgvector + Ollama, self-hosted) without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
List operations retrieve and return data without modification or deletion. Even if the list is comprehensive, listing notes has no destructive or reversible side effects. The worst-case misuse would be information disclosure (reading a list of note titles/metadata), which is low severity. The tool fits the Read category alongside other get_* and find_* operations on the server.
From the tool's definition Tool name 'list_notes' indicates a retrieval/enumeration operation. The server description documents 'atomic note CRUD' operations, and this tool appears to be the read counterpart among sibling tools that include create_note, delete_note, edit_note, and…
Attacks that exploit this kind of access
list_notes. It is categorised as a Read tool in the Obsidian MCP (pgvector + Ollama, self-hosted) MCP Server, which means it retrieves data without modifying state.
Register the Obsidian MCP (pgvector + Ollama, self-hosted) MCP server in PolicyLayer and add a rule for 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 Obsidian MCP (pgvector + Ollama, self-hosted). Nothing to install.
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 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 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.
list_notes is provided by the Obsidian MCP (pgvector + Ollama, self-hosted) MCP server (maxkuminov/obsidian-mcp). 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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