kb_create_document

Create a knowledge-base document inside a space. Body should be markdown. Set

SERVERMunin SOURCEhttps://mcp.getmunin.com/mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/com-getmunin-munin/kb-create-document.md

WHAT IT DOES

What kb_create_document does on Munin

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

RISK

Why kb_create_document is rated Medium

This tool creates new documents in a knowledge base, which is a reversible write operation. The impact is limited to adding content to a specific space without the ability to delete, overwrite existing data irreversibly, or execute code. Severity is medium because widespread document creation could degrade system usability and storage, but the operation can be undone by deletion.

From the tool's definition Tool name includes 'create' and description states 'Create a knowledge-base document inside a space', indicating data creation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs kb_create_document safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Munin, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For kb_create_document, this is the rule to start with:

kb_create_document Rate-limited

kb_create_document 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": {
    "kb_create_document": {
      "limits": [
        {
          "counter": "kb_create_document_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Munin, apply this rule, and every kb_create_document call is checked against it from then on.

FAQ

Questions about kb_create_document

What does the kb_create_document tool do? +

Create a knowledge-base document inside a space. Body should be markdown. Set. It is categorised as a Write tool in the Munin MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on kb_create_document? +

Register the Munin MCP server in PolicyLayer and add a rule for kb_create_document: 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 Munin. Nothing to install.

What risk level is kb_create_document? +

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

Can I rate-limit kb_create_document? +

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

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

kb_create_document is provided by the Munin MCP server (https://mcp.getmunin.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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