ira_close_tab · IRA-RESEARCHER MCP: Risk & Policy

WHAT IT DOES

What ira_close_tab does on IRA-RESEARCHER

AI agents use ira_close_tab to create or update resources in IRA-RESEARCHER — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your IRA-RESEARCHER environment.

WHY IT NEEDS A POLICY

Why ira_close_tab needs a policy

An AI agent can call ira_close_tab faster than any human can review — one bad instruction and it creates or modifies resources in IRA-RESEARCHER by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ira_close_tab Rate-limited

ira_close_tab 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.

View as policy code

policy.json

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

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches IRA-RESEARCHER, so you can run agents against it safely.

FAQ

Questions about ira_close_tab

What does the ira_close_tab tool do? +

Close a tab. It is categorised as a Write tool in the IRA-RESEARCHER MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ira_close_tab? +

Register the IRA-RESEARCHER MCP server in PolicyLayer and add a rule for ira_close_tab: 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 IRA-RESEARCHER. Nothing to install.

What risk level is ira_close_tab? +

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

Can I rate-limit ira_close_tab? +

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

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

ira_close_tab is provided by the IRA-RESEARCHER MCP server (neuralnexustech/ira-researcher). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.