Bring Ebooks
to Pydantic AI
Create your Vinkius account to connect Gutendex to Pydantic AI and start using all 3 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the 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.
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
How it works
- Subscribe to this server
- No API key needed — start searching immediately
- Discover free ebooks from Claude, Cursor, or any MCP-compatible client
No API key required — completely free, no registration.
Who is this for?
- Readers — discover free classics like Pride and Prejudice, Frankenstein, Moby Dick and thousands more
- Students — find public domain books for research with language and subject filters
- Researchers — explore book metadata, download statistics and subject classifications
- Book Clubs — search by topic, author or language to find reading recommendations
Built-in capabilities (3)
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
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
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
Why Pydantic AI?
Pydantic AI validates every Gutendex tool response against typed schemas, catching data inconsistencies at build time. Connect 3 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.
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Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application
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Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your Gutendex integration code
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Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors
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Dependency injection system cleanly separates your Gutendex connection logic from agent behavior for testable, maintainable code
Gutendex in Pydantic AI
Why run Gutendex with Vinkius?
The Gutendex connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 3 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Gutendex using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Gutendex and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Gutendex to Pydantic AI through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Gutendex for Pydantic AI
Every request between Pydantic AI and Gutendex is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
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.
How does Pydantic AI discover MCP tools?
Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.
Does Pydantic AI validate MCP tool responses?
Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.
Can I switch LLM providers without changing MCP code?
Absolutely. Pydantic AI abstracts the model layer. your Gutendex MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.
MCPServerHTTP not found
Update: pip install --upgrade pydantic-ai
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