Do I need an API key?

No! Gutendex is completely free and requires no authentication. Just subscribe and start searching. There's no sign-up or registration needed.

What books are available?

Gutendex indexes 70,000+ ebooks from Project Gutenberg, the world's oldest digital library. This includes classics like Pride and Prejudice, Frankenstein, Moby Dick, Romeo and Juliet, Alice's Adventures in Wonderland and thousands of other public domain works in many languages.

Can I filter by language?

Yes! Use the languages parameter with ISO 2-letter codes: "en" for English, "pt" for Portuguese, "fr" for French, "es" for Spanish, "de" for German, etc. You can also combine multiple languages: "en,fr" for English and French books.

Can I download the books?

Yes! Each book includes download URLs in multiple formats: HTML, EPUB, Kindle (MOBI), plain text, PDF and sometimes audio. The download links go directly to Project Gutenberg's servers. All books are in the public domain in the United States.

Gutendex MCP Server for OpenAI Agents SDK 3 tools — connect in under 2 minutes

Name: Gutendex
Availability: InStock
Author: Vinkius

openai.github.io/openai-agents-python/mcp

Built by Vinkius GDPR 3 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Gutendex through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Gutendex Assistant",
            instructions=(
                "You help users interact with Gutendex. "
                "You have access to 3 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Gutendex"
        )
        print(result.final_output)

asyncio.run(main())

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Gutendex MCP Server

Connect to Gutendex and explore the world's largest collection of free public domain ebooks through natural conversation — no API key needed.

The OpenAI Agents SDK auto-discovers all 3 tools from Gutendex through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Gutendex, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Book Search — Search 70,000+ ebooks by title, author, subject or language
Book Details — Get complete info including authors, subjects, download formats (HTML, EPUB, Kindle, PDF) and download counts
Language Filter — Filter books by language (English, Portuguese, French, Spanish, German, etc.)
Author Filter — Filter by author birth/death year ranges
Copyright Filter — Filter by public domain or in-copyright status
Format Filter — Filter by available formats (PDF, EPUB, HTML, plain text, audiobook)
Direct Access — Look up books directly by Gutenberg URL or ID

The Gutendex MCP Server exposes 3 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Gutendex to OpenAI Agents SDK via MCP

Follow these steps to integrate the Gutendex MCP Server with OpenAI Agents SDK.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 3 tools from Gutendex

Why Use OpenAI Agents SDK with the Gutendex MCP Server

OpenAI Agents SDK provides unique advantages when paired with Gutendex through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Gutendex + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Gutendex MCP Server delivers measurable value.

Automated workflows: build agents that query Gutendex, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Gutendex, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Gutendex tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Gutendex to resolve tickets, look up records, and update statuses without human intervention

Gutendex MCP Tools for OpenAI Agents SDK (3)

These 3 tools become available when you connect Gutendex to OpenAI Agents SDK via MCP:

get_book

Returns the title, authors (with birth/death years), subjects, bookshelves, languages, summary, download counts and all available formats/URLs (HTML, EPUB, Kindle, PDF, plain text). Common IDs: 1342 (Pride and Prejudice), 84 (Frankenstein), 4300 (Ulysses), 2701 (Moby Dick), 1727 (Romeo and Juliet). Get detailed info for a specific Gutenberg book

get_books_by_url

org URL and returns the book details. Accepts URLs like "https://www.gutenberg.org/ebooks/1342" or "https://www.gutenberg.org/files/1342/". Get book info from a Gutenberg URL

list_books

Supports powerful filters: search by title/author, topic/subject, language (ISO 2-letter codes like "en", "fr", "pt"), copyright status, MIME type (e.g. "application/pdf" for PDFs), author birth/death year ranges, and specific Gutenberg IDs. Results sorted by popularity (download count) by default. Returns book titles, authors, subjects, languages, download URLs and download counts. Supports pagination. Search Project Gutenberg ebooks via Gutendex

Example Prompts for Gutendex in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Gutendex immediately.

"Find Pride and Prejudice by Jane Austen."

"Search for science fiction books in Portuguese."

"Show me Frankenstein by Mary Shelley."

Troubleshooting Gutendex MCP Server with OpenAI Agents SDK

Common issues when connecting Gutendex to OpenAI Agents SDK through the Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Gutendex + OpenAI Agents SDK FAQ

Common questions about integrating Gutendex MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.