archive_create

Create a zip or tar.gz archive.

SERVERYaver SOURCEyaver-cli

Medium RISK CLASS

Category Write

Parameters 31 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-kivanccakmak-yaver/archive-create.md

WHAT IT DOES

What archive_create does on Yaver

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

Parameter	Type	Required	Description
`format`	string	—	zip or tar.gz (default: tar.gz)
`output`	string	—	Output filename (auto-generated if empty)
`source`	string	Yes	File or directory to archive

Parameters from the server's own tool schema.

RISK

Why archive_create is rated Medium

This tool creates new archive files (zip or tar.gz) on the system. While reversible through deletion, it modifies the filesystem by adding new files. This is fundamentally a Write operation—creating structured data artifacts.

From the tool's definition Tool description states 'Create a zip or tar.gz archive', which is a file creation and modification operation. The verb 'Create' indicates a Write operation that produces new files.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs archive_create safely

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

archive_create Rate-limited

archive_create 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": {
    "archive_create": {
      "limits": [
        {
          "counter": "archive_create_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 Yaver, apply this rule, and every archive_create call is checked against it from then on.

FAQ

Questions about archive_create

What does the archive_create tool do? +

Create a zip or tar.gz archive. It is categorised as a Write tool in the Yaver MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does archive_create accept? +

archive_create accepts 3 parameters: format, output, source. Required: source. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on archive_create? +

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

What risk level is archive_create? +

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

Can I rate-limit archive_create? +

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

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

archive_create is provided by the Yaver MCP server (yaver-cli). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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