kb_write_content

A write tool on the Container- MCP server.

SERVERContainer-MCP SOURCE54rt1n/container-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/54rt1n-container-mcp/kb-write-content.md

WHAT IT DOES

What kb_write_content does on Container-MCP

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

RISK

Why kb_write_content is rated Medium

The 'kb_write_content' tool creates or modifies data within a knowledge base (reversible operation). While the description is uninformative, the name and context of sibling kb_* tools strongly suggest data modification capabilities. Classified as Write rather than Destructive since it appears to modify content rather than irreversibly delete it.

From the tool's definition Tool name 'kb_write_content' indicates writing/modification of knowledge base content. Description is empty, limiting certainty. Sibling tools include kb_create_document and kb_manage, suggesting this server manages knowledge base operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs kb_write_content safely

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

kb_write_content Rate-limited

kb_write_content 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_write_content": {
      "limits": [
        {
          "counter": "kb_write_content_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 Container-MCP, apply this rule, and every kb_write_content call is checked against it from then on.

FAQ

Questions about kb_write_content

What does the kb_write_content tool do? +

kb_write_content is a write tool on the Container MCP server. It is categorised as a Write tool in the Container-MCP 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_write_content? +

Register the Container MCP server in PolicyLayer and add a rule for kb_write_content: 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 Container-MCP. Nothing to install.

What risk level is kb_write_content? +

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

Can I rate-limit kb_write_content? +

Yes. Add a rate_limit block to the kb_write_content 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_write_content completely? +

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

kb_write_content is provided by the Container MCP server (54rt1n/container-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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