roam_search_for_tag

Search for blocks containing a specific tag. Use

SERVERRoam Research SOURCE2b3pro/roam-research-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/2b3pro-roam-research-mcp/roam-search-for-tag.md

WHAT IT DOES

What roam_search_for_tag does on Roam Research

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

RISK

Why roam_search_for_tag is rated Low

This tool performs a search operation to find and retrieve blocks matching a tag criterion. It has no side effects—it does not create, modify, delete, or execute any actions. The operation is purely informational and read-only, consistent with the Read category for tools that query or retrieve data.

From the tool's definition Tool name 'roam_search_for_tag' and description 'Search for blocks containing a specific tag' indicate a query/search operation that retrieves data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs roam_search_for_tag safely

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

roam_search_for_tag Allowed

roam_search_for_tag 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": {
    "roam_search_for_tag": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Roam Research, apply this rule, and every roam_search_for_tag call is checked against it from then on.

FAQ

Questions about roam_search_for_tag

What does the roam_search_for_tag tool do? +

Search for blocks containing a specific tag. Use. It is categorised as a Read tool in the Roam Research MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on roam_search_for_tag? +

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

What risk level is roam_search_for_tag? +

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

Can I rate-limit roam_search_for_tag? +

Yes. Add a rate_limit block to the roam_search_for_tag 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_search_for_tag completely? +

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

roam_search_for_tag is provided by the Roam Research MCP server (2b3pro/roam-research-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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