create_files · Kontexta MCP: Risk & Policy

WHAT IT DOES

What create_files does on Kontexta

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

WHY IT NEEDS A POLICY

Why create_files needs a policy

This tool creates multiple files in batch, which is a reversible Write operation. It modifies the file system by adding new files, but does not execute code, delete irreversibly, or move money. The 'sandboxed command engine with human approval gates' mentioned in the server description suggests safeguards are in place.

From the tool's definition Tool name 'create_files' and description 'Batch variant of' (incomplete, but contextually referring to create_file). Sibling tool 'create_file' is listed alongside deletion and folder operations in a knowledge vault system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_files Rate-limited

create_files 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": {
    "create_files": {
      "limits": [
        {
          "counter": "create_files_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 Kontexta, so you can run agents against it safely.

FAQ

Questions about create_files

What does the create_files tool do? +

Batch variant of. It is categorised as a Write tool in the Kontexta MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_files? +

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

What risk level is create_files? +

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

Can I rate-limit create_files? +

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

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

create_files is provided by the Kontexta MCP server (safiyu/kontexta). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.