create_from_template_with_prompts

THE RISK

Medium Risk

Why create_from_template_with_prompts needs a policy

The tool creates new notes or content from templates with dynamic variable substitution, which is a reversible write operation. It does not delete data (would be Destructive) or execute arbitrary code (would be Execute). Severity is medium because uncontrolled template instantiation could generate large volumes of notes or overwrite content if variables are mishandled, but the operation remains reversible.

From the tool's definition Tool name includes 'create' and description mentions 'variable substitution' applied to templates, indicating content generation and modification.

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

POLICY

How to control create_from_template_with_prompts

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 create_from_template_with_prompts:

policy.json

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

create_from_template_with_prompts 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

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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 create_from_template_with_prompts

What does the create_from_template_with_prompts tool do? +

Template with variable substitution. 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 create_from_template_with_prompts? +

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

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

Can I rate-limit create_from_template_with_prompts? +

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

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

create_from_template_with_prompts 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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