mcp_doctor_fix · Scan Your Ai Toolkit MCP: Risk & Policy

WHAT IT DOES

What mcp_doctor_fix does on Scan Your Ai Toolkit

AI agents use mcp_doctor_fix to create or update resources in Scan Your Ai Toolkit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Scan Your Ai Toolkit environment.

WHY IT NEEDS A POLICY

Why mcp_doctor_fix needs a policy

The tool creates or modifies configuration data (binary paths, environment variables, package commands) to repair broken MCP servers. This is a reversible Write operation—fixes can be reviewed and adjusted, but the tool is directly proposing changes to system configuration.

From the tool's definition Tool generates 'auto-fix suggestions' for MCP server configuration issues including 'corrected binary paths, missing env var stubs, and updated package install commands.' These are modifications to configuration and environment state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mcp_doctor_fix Rate-limited

mcp_doctor_fix 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": {
    "mcp_doctor_fix": {
      "limits": [
        {
          "counter": "mcp_doctor_fix_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Scan Your Ai Toolkit, so you can run agents against it safely.

FAQ

Questions about mcp_doctor_fix

What does the mcp_doctor_fix tool do? +

Generate auto-fix suggestions for broken MCP servers — such as corrected binary paths, missing env var stubs, and updated package install commands. It is categorised as a Write tool in the Scan Your Ai Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mcp_doctor_fix? +

Register the Scan Your Ai Toolkit MCP server in PolicyLayer and add a rule for mcp_doctor_fix: 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 Scan Your Ai Toolkit. Nothing to install.

What risk level is mcp_doctor_fix? +

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

Can I rate-limit mcp_doctor_fix? +

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

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

mcp_doctor_fix is provided by the Scan Your Ai Toolkit MCP server (sakthivelchan89/scan_your_ai_toolkit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.