init_spec_knowledge · Mk Spec Master MCP: Risk & Policy

WHAT IT DOES

What init_spec_knowledge does on Mk Spec Master

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

WHY IT NEEDS A POLICY

Why init_spec_knowledge needs a policy

This tool creates or initializes a new markdown file in the project root. This is a reversible write operation (the file can be edited or deleted afterwards). It does not delete, execute arbitrary code, access financial systems, or perform read-only operations.

From the tool's definition Tool description states 'Create SPEC_PROJECT_ROOT/spec-knowledge.md from a starter', indicating file creation/modification via the verb 'Create'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

init_spec_knowledge Rate-limited

init_spec_knowledge 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": {
    "init_spec_knowledge": {
      "limits": [
        {
          "counter": "init_spec_knowledge_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 Mk Spec Master, so you can run agents against it safely.

FAQ

Questions about init_spec_knowledge

What does the init_spec_knowledge tool do? +

Create SPEC_PROJECT_ROOT/spec-knowledge.md from a starter. It is categorised as a Write tool in the Mk Spec Master MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on init_spec_knowledge? +

Register the Mk Spec Master MCP server in PolicyLayer and add a rule for init_spec_knowledge: 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 Mk Spec Master. Nothing to install.

What risk level is init_spec_knowledge? +

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

Can I rate-limit init_spec_knowledge? +

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

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

init_spec_knowledge is provided by the Mk Spec Master MCP server (kao273183/mk-spec-master). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.