resolve_alias

THE RISK

Low Risk

Why resolve_alias needs a policy

The tool name 'resolve_alias' and partial description 'Find every note whose frontmatter' both suggest a read/search operation that looks up notes by their frontmatter aliases. No write, execute, or destructive behavior is implied. Confidence is reduced due to the truncated description.

From the tool's definition 'Find every note whose frontmatter' — the description is truncated but implies a search/lookup operation to resolve aliases

Risk signalsBulk/mass operation — affects multiple targets

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

POLICY

How to control resolve_alias

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

policy.json

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

resolve_alias is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about resolve_alias

What does the resolve_alias tool do? +

Find every note whose frontmatter. It is categorised as a Read tool in the Obsidian Mcp Pro MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on resolve_alias? +

Register the Obsidian Mcp Pro MCP server in PolicyLayer and add a rule for resolve_alias: 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 Pro. Nothing to install.

What risk level is resolve_alias? +

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

Can I rate-limit resolve_alias? +

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

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

resolve_alias is provided by the Obsidian Mcp Pro MCP server (rps321321/obsidian-mcp-pro). 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 Pro tool call.

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

CHECK YOUR STACK →