rename_property_globally

THE RISK

Medium Risk

Why rename_property_globally needs a policy

This tool modifies properties across all notes in the vault, which is a reversible structural change (properties can be renamed back). It does not delete data (Destructive) nor execute arbitrary code (Execute). However, the global scope and potential to break property references or dependent queries/templates across many notes elevates severity to high.

From the tool's definition Tool name: 'rename_property_globally'; description: 'Rename property across all notes'. The verb 'rename' indicates modification of metadata/properties across the entire vault without deletion, making it a Write operation.

Documented attack patterns abuse exactly the kind of access rename_property_globally gives an agent:

POLICY

How to control rename_property_globally

PolicyLayer is an MCP gateway — it sits between your AI agents and Obsidian MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for rename_property_globally:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "rename_property_globally": {
      "limits": [
        {
          "counter": "rename_property_globally_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

rename_property_globally stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Obsidian MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about rename_property_globally

What does the rename_property_globally tool do? +

Rename property across all notes. It is categorised as a Write tool in the Obsidian MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rename_property_globally? +

Register the Obsidian MCP Server MCP server in PolicyLayer and add a rule for rename_property_globally: 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 rename_property_globally? +

rename_property_globally is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit rename_property_globally? +

Yes. Add a rate_limit block to the rename_property_globally 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 rename_property_globally completely? +

Set action: deny in the PolicyLayer policy for rename_property_globally. 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 rename_property_globally? +

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

Enforce policy on every Obsidian MCP Server tool call.

Start from Obsidian MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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