roam_find_pages_modified_today

THE RISK

Low Risk

Why roam_find_pages_modified_today needs a policy

This tool queries and returns metadata about pages modified within a time window—a pure read operation. It retrieves information without creating, modifying, deleting, or executing code. The low severity reflects minimal risk even if an AI agent calls it excessively, as it only returns read-only information about the user's own Roam graph.

From the tool's definition Tool name 'roam_find_pages_modified_today' and description 'Find pages that have been modified today (since midnight)' indicate a query/retrieval operation with no modifications to data.

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

POLICY

How to control roam_find_pages_modified_today

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

policy.json

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

roam_find_pages_modified_today 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 Roam Research 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.
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 roam_find_pages_modified_today

What does the roam_find_pages_modified_today tool do? +

Find pages that have been modified today (since midnight). It is categorised as a Read tool in the Roam Research MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on roam_find_pages_modified_today? +

Register the Roam Research MCP Server MCP server in PolicyLayer and add a rule for roam_find_pages_modified_today: 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 Roam Research MCP Server. Nothing to install.

What risk level is roam_find_pages_modified_today? +

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

Can I rate-limit roam_find_pages_modified_today? +

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

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

roam_find_pages_modified_today is provided by the Roam Research MCP Server MCP server (philosolares/roam-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Roam Research MCP Server tool call.

Start from Roam Research 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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