start_interview_prep_tool · Interview Prep MCP

WHAT IT DOES

What start_interview_prep_tool does on Interview Prep

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

WHY IT NEEDS A POLICY

Why start_interview_prep_tool needs a policy

The tool creates a new session record in the system, which is a reversible write operation. It does not execute code, delete data, or involve financial transactions. Misuse has minimal blast radius as it only creates benign interview preparation sessions.

From the tool's definition "Create a new interview prep session and return its id + metadata"

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

start_interview_prep_tool Rate-limited

start_interview_prep_tool 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": {
    "start_interview_prep_tool": {
      "limits": [
        {
          "counter": "start_interview_prep_tool_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 Interview Prep, so you can run agents against it safely.

FAQ

Questions about start_interview_prep_tool

What does the start_interview_prep_tool tool do? +

Create a new interview prep session and return its id + metadata. It is categorised as a Write tool in the Interview Prep MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on start_interview_prep_tool? +

Register the Interview Prep MCP server in PolicyLayer and add a rule for start_interview_prep_tool: 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 Interview Prep. Nothing to install.

What risk level is start_interview_prep_tool? +

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

Can I rate-limit start_interview_prep_tool? +

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

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

start_interview_prep_tool is provided by the Interview Prep MCP server (shenmali/interview-mcp-first). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

start_interview_prep_tool is one line of Interview Prep's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

Teams ship this data inside their own products. See what a licence covers →