gutendex_book

Get details for a Project Gutenberg book by ID.

SERVERUnClick SOURCE@unclick/mcp-server

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/gutendex-book.md

WHAT IT DOES

What gutendex_book does on UnClick

AI agents call gutendex_book to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`id`	string	Yes	Gutenberg book ID.

Parameters from the server's own tool schema.

RISK

Why gutendex_book is rated Low

This tool retrieves and queries publicly available book metadata from Project Gutenberg via the Gutendex API. It has no side effects, creates no data, executes no code, and poses no financial or destructive risk. The action is purely informational lookup.

From the tool's definition Tool name 'gutendex_book' and description 'Get details for a Project Gutenberg book by ID' indicate a retrieval operation with no modification or deletion.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gutendex_book safely

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

gutendex_book Allowed

gutendex_book is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "gutendex_book": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every gutendex_book call is checked against it from then on.

FAQ

Questions about gutendex_book

What does the gutendex_book tool do? +

Get details for a Project Gutenberg book by ID. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.

What parameters does gutendex_book accept? +

gutendex_book accepts 1 parameter: id. Required: id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on gutendex_book? +

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

What risk level is gutendex_book? +

gutendex_book is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit gutendex_book? +

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

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

gutendex_book is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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