kb_create_space

Create a new knowledge-base space. Slug must be unique within your org and only contain lowercase letters, digits and hyphens.

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-space.md

WHAT IT DOES

What kb_create_space does on Munin

AI agents use kb_create_space 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_space is rated Medium

This tool creates a new knowledge-base space resource, which is a reversible write operation. It modifies the organization's knowledge base structure by adding a new space, but the action can be undone by deleting the space. The severity is medium because miscreating spaces could clutter the knowledge base or consume resources, but the impact is scoped to organizational documentation and is reversible.

From the tool's definition 'Create a new knowledge-base space' indicates persistent creation of a new organizational resource (knowledge base space) that can be modified or deleted later but is not immediately destructive.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs kb_create_space 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_space, this is the rule to start with:

kb_create_space Rate-limited

kb_create_space 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_space": {
      "limits": [
        {
          "counter": "kb_create_space_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_space call is checked against it from then on.

FAQ

Questions about kb_create_space

What does the kb_create_space tool do? +

Create a new knowledge-base space. Slug must be unique within your org and only contain lowercase letters, digits and hyphens. 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_space? +

Register the Munin MCP server in PolicyLayer and add a rule for kb_create_space: 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_space? +

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

Can I rate-limit kb_create_space? +

Yes. Add a rate_limit block to the kb_create_space 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_space completely? +

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

kb_create_space 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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