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Library of Congress MCP Server

Search LOC digital collections, browse Chronicling America newspapers with full OCR text, and look up LC Subject Headings via MCP. STDIO or Streamable HTTP.

Potential use: Researchers, librarians, and historians who need cited Library of Congress records, rights notes, subject headings, or newspaper OCR.

Limitations: Treating OCR, approximate item counts, or rights metadata as exact without opening the linked LOC record.

Public use

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Release v0.2.17 on 22 Aug 2026 · repository updated 22 Aug 2026

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6 Sept 2026

Source facts only. Not tested or recommended by Agent Blocks.