generate_epub

Generate an EPUB ebook from chapter content.

SERVERCoWork OS SOURCECoWork-OS/CoWork-OS

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/cowork-os/generate-epub.md

WHAT IT DOES

What generate_epub does on CoWork OS

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

RISK

Why generate_epub is rated Medium

This tool creates/generates a new digital artifact (EPUB ebook file) which is a reversible write operation. It does not execute arbitrary code, delete data, or cause financial impact. The severity is medium rather than low because generating files could consume resources or be used to create malicious content at scale, though the immediate blast radius is contained to file creation.

From the tool's definition Tool description states 'Generate an EPUB ebook from chapter content.' This creates a new file artifact (EPUB format) based on provided input.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs generate_epub safely

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

generate_epub Rate-limited

generate_epub 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": {
    "generate_epub": {
      "limits": [
        {
          "counter": "generate_epub_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 CoWork OS, apply this rule, and every generate_epub call is checked against it from then on.

FAQ

Questions about generate_epub

What does the generate_epub tool do? +

Generate an EPUB ebook from chapter content. It is categorised as a Write tool in the CoWork OS MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on generate_epub? +

Register the CoWork OS MCP server in PolicyLayer and add a rule for generate_epub: 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 CoWork OS. Nothing to install.

What risk level is generate_epub? +

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

Can I rate-limit generate_epub? +

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

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

generate_epub is provided by the CoWork OS MCP server (CoWork-OS/CoWork-OS). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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