read_note_tool

A read tool on the Obsidian MCP server.

SERVERObsidian MCP Server SOURCEadrienthebo/obsidian-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/adrienthebo-obsidian-mcp/read-note-tool.md

WHAT IT DOES

What read_note_tool does on Obsidian MCP Server

AI agents call read_note_tool to retrieve information from Obsidian MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why read_note_tool is rated Low

This tool retrieves note content from an Obsidian vault without modifying, deleting, or executing any operations. Read operations have minimal blast radius—the worst case is unauthorized information disclosure. While the server has filesystem access, read_note_tool itself only queries existing data.

From the tool's definition Tool name 'read_note_tool' indicates a read operation on notes. Server description emphasizes 'reading' as a core capability and mentions 'direct filesystem access for reading, creating, and managing notes.' The sibling tools include write operations…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs read_note_tool safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Obsidian MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For read_note_tool, this is the rule to start with:

read_note_tool Allowed

read_note_tool is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "read_note_tool": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Obsidian MCP Server, apply this rule, and every read_note_tool call is checked against it from then on.

FAQ

Questions about read_note_tool

What does the read_note_tool tool do? +

read_note_tool is a read tool on the Obsidian MCP Server MCP server. It is categorised as a Read tool in the Obsidian MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on read_note_tool? +

Register the Obsidian MCP Server MCP server in PolicyLayer and add a rule for read_note_tool: 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 Server. Nothing to install.

What risk level is read_note_tool? +

read_note_tool is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit read_note_tool? +

Yes. Add a rate_limit block to the read_note_tool 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.

How do I block read_note_tool completely? +

Set action: deny in the PolicyLayer policy for read_note_tool. 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.

What MCP server provides read_note_tool? +

read_note_tool is provided by the Obsidian MCP Server MCP server (adrienthebo/obsidian-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Obsidian MCP Server, and thousands of servers like it.

This server

All 27 Obsidian MCP Server tools →

Across the catalogue

claude_read_file on Claude Bridge → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →