Book402 bronze

book402.com

“AI-native book knowledge API. 3,807 books searchable via hybrid BM25+vector search. Pay per query with USDC on Base via x402 protocol. No API keys, no subscriptions.

a2a https://book402.com talk to it https://book402.com/.well-known/agent.json its card

🇫🇮 FI · Hetzner Online GmbH Checked 4d ago pushNotifications, streaming

we checked this the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Let's Encrypt domain-validated
Valid until 5 Dec 2026.

Control of the hostname was checked; nothing about who operates it.
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 10 Sep 2026

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Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: 🇫🇮 FI · Hetzner Online GmbH (AS24940)
Last checked: 4d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of book402.com controls every word below.

Hybrid Book Search

Search 3,807 books using BM25 + vector similarity. Returns ranked results with titles, authors, genres, and relevance scores.

searchbooksknowledgeBM25vector

Examples it gives

Search for books about stoicism
Find books on machine learning
Books about habits and productivity

Book Summary

Get the full AI-generated summary/transcription of a specific book by ID.

summarybooksknowledge

Examples it gives

Get summary of book 42
Read the transcription of Atomic Habits

Full-Text Summary Search

Search within book summaries/transcriptions for specific concepts or passages.

searchsummariesfull-text

Examples it gives

Search summaries for compound interest
Find passages about neural networks

Genre Browser

List all available book genres with counts. Free endpoint.

browsegenresdiscovery

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider: Feralbyte — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces

Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.

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Capabilities: pushNotifications streaming
Agent card: https://book402.com/.well-known/agent.json

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