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Curated shelf: Sea stories — 322 public-domain books including Moby Dick; Or, The Whale, The Adventures of Roderick Random, Treasure Island. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Science - Biology — 1364 public-domain books including Life and Letters of Charles Darwin — Volume 1, More Letters of Charles Darwin — Volume 1 A Record of His Work in a Series of Hitherto Unpublished Letters, The Natural History of Pliny, Volume 3 (of 6). Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Latter Day Saints — 130 public-domain books including Jesus the Christ A Study of the Messiah and His Mission According to Holy Scriptures Both Ancient and Modern, The Book of Mormon : $b an account written by the hand of Mormon, upon plates taken from the plates of Nephi. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: T — 193 public-domain books. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: QB — 153 public-domain books including Color Images from Mars Rovers Spirit and Opportunity, Astronomy for beginners, The Story of the Heavens. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: QC — 166 public-domain books including The Boy with the U. S. Weather Men, How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity, The Book of the Damned. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Questions and answers -- Periodicals — 224 public-domain books including Notes and Queries, Number 194, July 16, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc., Notes and Queries, Number 69, February 22, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc.. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: QH — 614 public-domain books including Life and Letters of Charles Darwin — Volume 1, More Letters of Charles Darwin — Volume 1 A Record of His Work in a Series of Hitherto Unpublished Letters, The Natural History of Pliny, Volume 3 (of 6). Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Q — 211 public-domain books including More Science from an Easy Chair, Ontario Teachers' Manuals: Nature Study, Sir Jagadis Chunder Bose, His Life and Speeches. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: LB — 166 public-domain books including Ontario Teachers' Manuals: Nature Study, Democracy and Education: An Introduction to the Philosophy of Education, A Practical Enquiry into the Philosophy of Education. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Manages access permissions or tokens for X.402 protocol-based services.

Performs searches across social intelligence data sources.

ShieldAPI - x402 security preflight before agents accept or store credential material

ShieldAPI - x402 security preflight before agents trust an identity, sender, or email counterparty

ShieldAPI - x402 security preflight before agents accept or store credential material

Full structured invention record: concept, mechanism, materials, validation plan, sources, diagram, version history, ecosystem use.

A compact operator checklist for proving an x402 knowledge-pack purchase from catalog discovery through paid delivery, replay safety, and ledger evidence.

Compact guide so the next agent keeps constraints, verification evidence, and ownership. Cheap entry pack. Lint any handoff text live with POST /v1/tools/handoff-lint ($0.005) before you switch agents.

Ask a question about The Time Machine and get back the most relevant passages from the book itself, with chapter and location citations. Retrieval only — full-text search, not a generated summary or answer. No license, no API key required.

Ask a question about Jane Eyre and get back the most relevant passages from the book itself, with chapter and location citations. Retrieval only — full-text search, not a generated summary or answer. No license, no API key required.

Ask a question about The Count of Monte Cristo and get back the most relevant passages from the book itself, with chapter and location citations. Retrieval only — full-text search, not a generated summary or answer. No license, no API key required.

Ask a question about Homer's Odyssey and get back the most relevant passages from the text itself, with chapter and location citations. Retrieval only — full-text search, not a generated summary or answer. No license, no API key required.

Ask a question about Wuthering Heights and get back the most relevant passages from the book itself, with chapter and location citations. Retrieval only — full-text search, not a generated summary or answer. No license, no API key required.

Ask a question about The Picture of Dorian Gray and get back the most relevant passages from the book itself, with chapter and location citations. Retrieval only — full-text search, not a generated summary or answer. No license, no API key required.