new_plan · Planer MCP Server MCP: Risk & Policy

WHAT IT DOES

What new_plan does on Planer MCP Server

AI agents use new_plan to create or update resources in Planer MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Planer MCP Server environment.

WHY IT NEEDS A POLICY

Why new_plan needs a policy

The name 'new_plan' strongly implies creating a new record in the SQLite database. Sibling tools include delete_plan, get_plan, list_plans, update_plan, update_task_status — confirming this is a CRUD-style server where 'new_plan' is the create operation. Classified as Write (reversible creation). Confidence is reduced due to empty description.

From the tool's definition Tool name 'new_plan' suggests creation of a new plan entry; server description mentions persistent SQLite storage and plan management tools like create/update/delete

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

new_plan Rate-limited

new_plan 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": {
    "new_plan": {
      "limits": [
        {
          "counter": "new_plan_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 Planer MCP Server, so you can run agents against it safely.

FAQ

Questions about new_plan

What does the new_plan tool do? +

new_plan. It is categorised as a Write tool in the Planer 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 new_plan? +

Register the Planer MCP Server MCP server in PolicyLayer and add a rule for new_plan: 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 Planer MCP Server. Nothing to install.

What risk level is new_plan? +

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

Can I rate-limit new_plan? +

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

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

new_plan is provided by the Planer MCP Server MCP server (niradler/mcp-planer). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.