libofcongress-mcp-server

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'page': {'type': 'integer', 'default': 1, 'maximum': 9007199254740991, 'minimum': 1, 'description': '1-indexed page number for paginating results.'}, 'limit': {'type': 'integer', 'default': 25, 'maximum': 100, 'minimum': 1, 'description': 'Maximum number of collections to return. Default 25, max 100.'}, 'query': {'type': 'string', 'description': 'Optional keyword to filter collections by name or description. Omit to list all collections.'}}, 'additionalProperties': False}

{'type': 'object', 'anyOf': [{'not': {'required': ['error']}, 'required': ['collections', 'total', 'page', 'pages', 'has_next', 'totalCount']}, {'required': ['error']}], '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'page': {'type': 'number', 'description': 'Current 1-indexed page number.'}, 'error': {'type': 'object', 'required': ['code', 'message'], 'properties': {'code': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'JSON-RPC error code for this failure.'}, 'data': {'type': 'object', 'properties': {'reason': {'type': 'string', 'examples': ['rate_limit_exceeded'], 'description': 'Machine-readable failure mode. Declared by this tool: `rate_limit_exceeded`: LOC API rate limit exceeded; requests are blocked for approximately 1 hour. Other values are possible when a failure originates below the handler.'}, 'recovery': {'type': 'object', 'required': ['hint'], 'properties': {'hint': {'type': 'string'}}, 'description': 'Actionable next step for the caller.', 'additionalProperties': {}}, 'retryable': {'type': 'boolean', 'description': 'Whether retrying may succeed.'}}, 'additionalProperties': {}}, 'message': {'type': 'string', 'description': 'Human-readable description of what went wrong.'}}, 'description': 'Present when the call failed. Absent on success.', 'additionalProperties': {}}, 'pages': {'type': 'number', 'description': 'Total number of pages available.'}, 'total': {'type': 'number', 'description': 'Total number of matching collections across all pages.'}, 'notice': {'type': 'string', 'description': 'Recovery hint when results are empty or a page is out of range â\x80\x94 suggests broadening the keyword or removing filters. Absent on successful result pages.'}, 'has_next': {'type': 'boolean', 'description': 'True when more pages are available after this one.'}, 'totalCount': {'type': 'number', 'description': 'Total matching collections â\x80\x94 mirrors output.total for agent reasoning.'}, 'collections': {'type': 'array', 'items': {'type': 'object', 'required': ['slug', 'title', 'url'], 'properties': {'url': {'type': 'string', 'description': 'Collection URL on loc.gov.'}, 'slug': {'type': 'string', 'description': 'Collection URL slug â\x80\x94 identifies the collection within loc.gov URLs.'}, 'title': {'type': 'string', 'description': 'Collection name.'}, 'item_count': {'type': 'number', 'description': 'Approximate number of items in this collection. Omitted when unavailable.'}, 'description': {'type': 'string', 'description': "Description of the collection's scope and contents."}}, 'description': 'A single LOC curated digital collection.', 'additionalProperties': False}, 'description': 'LOC curated collections matching the keyword filter, or all collections when no keyword is specified.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['item_id'], 'properties': {'item_id': {'type': 'string', 'minLength': 1, 'description': 'LOC item id from a libofcongress_search result\'s "id" field (where is_item is true). A simple ID ("2009632251", "2005691065") or a slash-separated path for newspaper pages ("sn95047246/1935-09-05/ed-1"). Pass the id verbatim; do not prepend the loc.gov URL or an "item/" prefix.'}}, 'additionalProperties': False}

{'type': 'object', 'anyOf': [{'not': {'required': ['error']}, 'required': ['item_id', 'title', 'contributors', 'subject_headings', 'notes', 'languages', 'locations', 'former_ids', 'original_formats', 'online_formats', 'resource_links', 'related_items', 'url']}, {'required': ['error']}], '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'url': {'type': 'string', 'description': 'Canonical LOC item URL.'}, 'date': {'type': 'string', 'description': 'Publication or creation date.'}, 'error': {'type': 'object', 'required': ['code', 'message'], 'properties': {'code': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'JSON-RPC error code for this failure.'}, 'data': {'type': 'object', 'properties': {'reason': {'type': 'string', 'examples': ['item_not_found', 'rate_limit_exceeded'], 'description': 'Machine-readable failure mode. Declared by this tool: `item_not_found`: No item exists for the given ID. `rate_limit_exceeded`: LOC API rate limit exceeded; requests are blocked for approximately 1 hour. Other values are possible when a failure originates below the handler.'}, 'recovery': {'type': 'object', 'required': ['hint'], 'properties': {'hint': {'type': 'string'}}, 'description': 'Actionable next step for the caller.', 'additionalProperties': {}}, 'retryable': {'type': 'boolean', 'description': 'Whether retrying may succeed.'}}, 'additionalProperties': {}}, 'message': {'type': 'string', 'description': 'Human-readable description of what went wrong.'}}, 'description': 'Present when the call failed. Absent on success.', 'additionalProperties': {}}, 'notes': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Descriptive notes and annotations from catalogers.'}, 'title': {'type': 'string', 'description': 'Item title.'}, 'item_id': {'type': 'string', 'description': 'LOC item ID as resolved by the service (matches the input item_id).'}, 'summary': {'type': 'string', 'description': "Cataloger's abstract of the item's subject and historical context."}, 'languages': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Languages of the item (e.g., "english").'}, 'locations': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Places the item depicts or originates from (e.g., "united states").'}, 'former_ids': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Superseded catalog identifiers or URLs this item was previously known by.'}, 'call_number': {'type': 'string', 'description': 'LOC call number â\x80\x94 the shelf location for requesting the physical original.'}, 'contributors': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Contributors, creators, or photographers as LOC catalogs them, role included (e.g., "Washington, George, 1732-1799 (Author)"). One person can appear once per role. Empty when LOC lists none.'}, 'related_items': {'type': 'array', 'items': {'type': 'string'}, 'description': 'IDs or URLs of related LOC records for follow-up retrieval; a title stands in for a related record LOC gives neither for.'}, 'online_formats': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Formats the digitized surrogate is available in (e.g., "image").'}, 'resource_links': {'type': 'array', 'items': {'type': 'string'}, 'description': 'URLs to downloadable digital files (TIFF, JPEG, PDF). Empty when no digital surrogate exists.'}, 'original_formats': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Material types of the original (e.g., "photo, print, drawing").'}, 'subject_headings': {'type': 'array', 'items': {'type': 'string'}, 'description': 'LCSH subject headings assigned to this item.'}, 'access_restricted': {'type': 'boolean', 'description': 'True when LOC restricts access to the original. Absent when upstream omits it.'}, 'rights_information': {'type': 'string', 'description': 'Rights and reproduction statement for this item.'}, 'physical_description': {'type': 'string', 'description': 'Physical or technical description of the original item.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['page_url'], 'properties': {'page_url': {'type': 'string', 'description': 'The url field from a libofcongress_search_newspapers result (e.g., "https://www.loc.gov/resource/sn83045462/1905-03-15/ed-1/seq-1/"). Always pass the value directly from search results â\x80\x94 do not construct or modify this URL.'}}, 'additionalProperties': False}

{'type': 'object', 'anyOf': [{'not': {'required': ['error']}, 'required': ['page_url', 'ocr_text', 'ocr_available']}, {'required': ['error']}], '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'date': {'type': 'string', 'description': 'Issue publication date (YYYY-MM-DD).'}, 'error': {'type': 'object', 'required': ['code', 'message'], 'properties': {'code': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'JSON-RPC error code for this failure.'}, 'data': {'type': 'object', 'properties': {'reason': {'type': 'string', 'examples': ['invalid_page_url', 'page_not_found', 'rate_limit_exceeded'], 'description': 'Machine-readable failure mode. Declared by this tool: `invalid_page_url`: page_url does not begin with https://www.loc.gov/resource/. `page_not_found`: The URL does not resolve to a valid LOC newspaper page resource. `rate_limit_exceeded`: LOC API rate limit exceeded; requests are blocked for approximately 1 hour. Other values are possible when a failure originates below the handler.'}, 'recovery': {'type': 'object', 'required': ['hint'], 'properties': {'hint': {'type': 'string'}}, 'description': 'Actionable next step for the caller.', 'additionalProperties': {}}, 'retryable': {'type': 'boolean', 'description': 'Whether retrying may succeed.'}}, 'additionalProperties': {}}, 'message': {'type': 'string', 'description': 'Human-readable description of what went wrong.'}}, 'description': 'Present when the call failed. Absent on success.', 'additionalProperties': {}}, 'notice': {'type': 'string', 'description': 'Set when ocr_available is true but ocr_text is empty â\x80\x94 the page has digitized OCR, but the text service did not return it this call. Distinguishes a transient retrieval miss from a genuinely image-only page (where ocr_available is false). Absent when OCR text was returned or the page has no OCR.'}, 'states': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Every US state LOC indexes this newspaper title under (e.g., ["georgia", "south carolina"]), in LOC order â\x80\x94 possibly more than the state of publication. Absent when LOC lists no state.'}, 'edition': {'type': 'string', 'description': 'Edition number of the issue (e.g., "1"). Absent when LOC gives none.'}, 'ocr_text': {'type': 'string', 'description': 'Full plain-text OCR content for the page. Empty string when ocr_available is false. May contain fragmented words, line-break artifacts, and misspellings inherent to historical OCR â\x80\x94 do not attempt to repair.'}, 'page_url': {'type': 'string', 'description': 'The LOC resource URL for this newspaper page.'}, 'sequence': {'type': 'number', 'description': 'Page sequence number within the issue.'}, 'ocr_available': {'type': 'boolean', 'description': 'True when digitized OCR text exists for this page. False for image-only digitization batches where OCR has not been applied.'}, 'segment_count': {'type': 'number', 'description': 'Number of pages in the issue. Absent when LOC gives none.'}, 'newspaper_title': {'type': 'string', 'description': 'Title of the newspaper publication. Absent when LOC gives none.'}, 'place_of_publication': {'type': 'string', 'description': 'Where the newspaper was published, as LOC catalogs it (e.g., "Charleston, S.C."). Absent when LOC gives none.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['query'], 'properties': {'page': {'type': 'integer', 'default': 1, 'maximum': 9007199254740991, 'minimum': 1, 'description': '1-indexed page number for paginating results.'}, 'limit': {'type': 'integer', 'default': 25, 'maximum': 100, 'minimum': 1, 'description': 'Results per page. Default 25, max 100.'}, 'query': {'type': 'string', 'minLength': 1, 'description': 'Full-text search across metadata and available descriptive text.'}, 'format': {'enum': ['photo', 'map', 'newspaper', 'manuscript', 'audio', 'film', 'book', 'notated-music'], 'type': 'string', 'description': 'Material type filter. Options: photo, map, newspaper, manuscript, audio, film, book, notated-music. Omit to search all formats.'}, 'subject': {'type': 'string', 'description': 'Subject heading filter. Use the exact label from libofcongress_search_subjects results for best precision. Example: "World War, 1939-1945".'}, 'date_end': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'End year for date filter, inclusive (e.g., 1930). Omit for no upper bound.'}, 'location': {'type': 'string', 'description': 'Geographic location filter (e.g., "oklahoma", "washington d.c."). Lowercase, matches LOC location facets.'}, 'date_start': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'Start year for date filter, inclusive (e.g., 1920). Omit for no lower bound.'}, 'collection_slug': {'type': 'string', 'description': 'Scope the search to one curated collection. Use a slug exactly as returned by libofcongress_browse_collections (e.g., "aaron-copland") â\x80\x94 slugs are not derivable from the collection title. Cannot be combined with format; omit format and read each result\'s format field instead. Omit to search all of LOC.'}}, 'additionalProperties': False}

{'type': 'object', 'anyOf': [{'not': {'required': ['error']}, 'required': ['items', 'total', 'page', 'pages', 'has_next', 'effectiveQuery', 'totalCount']}, {'required': ['error']}], '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'page': {'type': 'number', 'description': 'Current 1-indexed page number.'}, 'error': {'type': 'object', 'required': ['code', 'message'], 'properties': {'code': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'JSON-RPC error code for this failure.'}, 'data': {'type': 'object', 'properties': {'reason': {'type': 'string', 'examples': ['invalid_date_range', 'incompatible_filters', 'collection_not_found', 'rate_limit_exceeded'], 'description': 'Machine-readable failure mode. Declared by this tool: `invalid_date_range`: date_start is later than date_end. `incompatible_filters`: format and collection_slug were both supplied; each selects a different LOC endpoint, so only one can apply. `collection_not_found`: collection_slug does not resolve to a LOC collection. Reported on page 1; a later page gets the out-of-range notice, since LOC answers both cases the same way there. `rate_limit_exceeded`: LOC API rate limit exceeded; requests are blocked for approximately 1 hour. Other values are possible when a failure originates below the handler.'}, 'recovery': {'type': 'object', 'required': ['hint'], 'properties': {'hint': {'type': 'string'}}, 'description': 'Actionable next step for the caller.', 'additionalProperties': {}}, 'retryable': {'type': 'boolean', 'description': 'Whether retrying may succeed.'}}, 'additionalProperties': {}}, 'message': {'type': 'string', 'description': 'Human-readable description of what went wrong.'}}, 'description': 'Present when the call failed. Absent on success.', 'additionalProperties': {}}, 'items': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'title', 'is_item', 'url'], 'properties': {'id': {'type': 'string', 'description': 'LOC identifier for this result. When is_item is true, pass it to libofcongress_get_item for full metadata. When is_item is false it is a non-item resource (a collection, exhibit, guide, or newspaper page), not a get_item input â\x80\x94 open url instead.'}, 'url': {'type': 'string', 'description': 'LOC item or collection URL.'}, 'date': {'type': 'string', 'description': 'Publication or creation date.'}, 'title': {'type': 'string', 'description': 'Item title.'}, 'format': {'type': 'string', 'description': 'Material format (e.g., photo, map, manuscript, collection).'}, 'is_item': {'type': 'boolean', 'description': 'True when this result is a catalog item whose id resolves through libofcongress_get_item. False for collections, exhibits, research guides, newspaper pages, and other non-item results, which have no get_item record â\x80\x94 follow url instead. Always present on every result.'}, 'description': {'type': 'string', 'description': 'Brief description or summary.'}}, 'description': 'A single LOC item summary.', 'additionalProperties': False}, 'description': 'Item summaries matching the search query and filters.'}, 'pages': {'type': 'number', 'description': 'Total retrievable pages. For result sets larger than LOC will page through (~100,000 items) this is capped, and a notice discloses how to reach the rest (partition by date/subject/location).'}, 'total': {'type': 'number', 'description': 'Total number of matching items across all pages.'}, 'notice': {'type': 'string', 'description': 'Recovery hint when results are empty or a page is out of range â\x80\x94 echoes applied filters and suggests how to broaden. Absent on successful result pages.'}, 'has_next': {'type': 'boolean', 'description': "True when a retrievable next page follows this one. Never promises a page past LOC's ~100,000-item retrieval ceiling."}, 'totalCount': {'type': 'number', 'description': 'Total matching items across all pages â\x80\x94 mirrors output.total for agent reasoning.'}, 'effectiveQuery': {'type': 'string', 'description': 'The query as submitted to the LOC API, after trimming.'}, 'effectiveCollectionSlug': {'type': 'string', 'description': 'The collection the search was scoped to, after trimming. Absent when the search covered all of LOC.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['query'], 'properties': {'page': {'type': 'integer', 'default': 1, 'maximum': 9007199254740991, 'minimum': 1, 'description': '1-indexed page number for paginating results.'}, 'limit': {'type': 'integer', 'default': 25, 'maximum': 100, 'minimum': 1, 'description': 'Results per page. Default 25, max 100.'}, 'query': {'type': 'string', 'minLength': 1, 'description': 'Keyword search across OCR text and newspaper metadata.'}, 'state': {'type': 'string', 'description': 'Filter to newspapers published in this US state. Use the full state name, lowercase (e.g., "oklahoma", "new york").'}, 'date_end': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'End year for date filter, inclusive (e.g., 1920). Omit for no upper bound.'}, 'date_start': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'Start year for date filter, inclusive (e.g., 1900). Omit for no lower bound.'}, 'newspaper_title': {'type': 'string', 'description': 'Filter to a specific newspaper by title (partial match accepted).'}}, 'additionalProperties': False}

{'type': 'object', 'anyOf': [{'not': {'required': ['error']}, 'required': ['items', 'total', 'page', 'pages', 'has_next', 'effectiveQuery', 'totalCount']}, {'required': ['error']}], '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'page': {'type': 'number', 'description': 'Current 1-indexed page number.'}, 'error': {'type': 'object', 'required': ['code', 'message'], 'properties': {'code': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'JSON-RPC error code for this failure.'}, 'data': {'type': 'object', 'properties': {'reason': {'type': 'string', 'examples': ['invalid_date_range', 'rate_limit_exceeded'], 'description': 'Machine-readable failure mode. Declared by this tool: `invalid_date_range`: date_start is later than date_end. `rate_limit_exceeded`: LOC API rate limit exceeded; requests are blocked for approximately 1 hour. Other values are possible when a failure originates below the handler.'}, 'recovery': {'type': 'object', 'required': ['hint'], 'properties': {'hint': {'type': 'string'}}, 'description': 'Actionable next step for the caller.', 'additionalProperties': {}}, 'retryable': {'type': 'boolean', 'description': 'Whether retrying may succeed.'}}, 'additionalProperties': {}}, 'message': {'type': 'string', 'description': 'Human-readable description of what went wrong.'}}, 'description': 'Present when the call failed. Absent on success.', 'additionalProperties': {}}, 'items': {'type': 'array', 'items': {'type': 'object', 'required': ['url', 'title'], 'properties': {'url': {'type': 'string', 'description': 'LOC resource URL for this page â\x80\x94 pass to libofcongress_get_newspaper_page to get full OCR text.'}, 'date': {'type': 'string', 'description': 'Issue publication date.'}, 'title': {'type': 'string', 'description': 'Page or issue title.'}, 'states': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Every US state LOC indexes this newspaper title under (e.g., ["georgia", "south carolina"]), in LOC order. A title indexed against its circulation area lists several, so no entry is necessarily the place of publication â\x80\x94 libofcongress_get_newspaper_page returns place_of_publication. Absent when LOC lists no state.'}, 'description': {'type': 'string', 'description': 'OCR text excerpt (~500 chars) for relevance assessment.'}, 'newspaper_title': {'type': 'string', 'description': 'Newspaper publication title.'}}, 'description': 'A single newspaper page search result.', 'additionalProperties': False}, 'description': 'Newspaper page results matching the search query and filters.'}, 'pages': {'type': 'number', 'description': 'Total retrievable pages. For result sets larger than LOC will page through (~100,000 pages) this is capped, and a notice discloses how to reach the rest (partition by date/state).'}, 'total': {'type': 'number', 'description': 'Total number of matching newspaper pages in the result set.'}, 'notice': {'type': 'string', 'description': 'Recovery hint when results are empty or a page is out of range â\x80\x94 echoes applied filters and suggests how to broaden. Absent on successful result pages.'}, 'has_next': {'type': 'boolean', 'description': "True when a retrievable next page follows this one. Never promises a page past LOC's ~100,000-item retrieval ceiling."}, 'totalCount': {'type': 'number', 'description': 'Total matching newspaper pages â\x80\x94 mirrors output.total for agent reasoning.'}, 'effectiveQuery': {'type': 'string', 'description': 'The keyword query as submitted to the Chronicling America API, after trimming.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'default': 10, 'maximum': 50, 'minimum': 1, 'description': 'Maximum number of subject headings to return. Default 10, max 50.'}, 'query': {'type': 'string', 'minLength': 1, 'description': 'Keyword or partial subject heading to search for (e.g., "civil war", "immigration", "jazz").'}}, 'additionalProperties': False}

{'type': 'object', 'anyOf': [{'not': {'required': ['error']}, 'required': ['subjects', 'total', 'effectiveQuery']}, {'required': ['error']}], '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'cap': {'type': 'number', 'description': 'The limit applied to this response â\x80\x94 maximum headings the API will return.'}, 'error': {'type': 'object', 'required': ['code', 'message'], 'properties': {'code': {'type': 'integer', 'maximum': 9007199254740991, 'minimum': -9007199254740991, 'description': 'JSON-RPC error code for this failure.'}, 'data': {'type': 'object', 'properties': {'reason': {'type': 'string', 'description': 'Machine-readable failure mode.'}, 'recovery': {'type': 'object', 'required': ['hint'], 'properties': {'hint': {'type': 'string'}}, 'description': 'Actionable next step for the caller.', 'additionalProperties': {}}, 'retryable': {'type': 'boolean', 'description': 'Whether retrying may succeed.'}}, 'additionalProperties': {}}, 'message': {'type': 'string', 'description': 'Human-readable description of what went wrong.'}}, 'description': 'Present when the call failed. Absent on success.', 'additionalProperties': {}}, 'shown': {'type': 'number', 'description': 'Number of subject headings returned in this response.'}, 'total': {'type': 'number', 'description': 'Number of subject headings returned.'}, 'notice': {'type': 'string', 'description': 'Recovery hint when results are empty, or when the upstream candidate cap under-filled the request. Distinguishes "exhausted by ranking" (retry with a more specific query) from "no LCSH coverage", and suggests inverted-form strategies. Absent when the full requested set was returned.'}, 'subjects': {'type': 'array', 'items': {'type': 'object', 'required': ['label', 'uri'], 'properties': {'uri': {'type': 'string', 'description': 'Stable LOC URI identifying this subject heading in the authority file.'}, 'label': {'type': 'string', 'description': 'Standardized LCSH heading â\x80\x94 use this exact string in the libofcongress_search subject filter.'}}, 'description': 'A single LCSH subject heading record.', 'additionalProperties': False}, 'description': 'LCSH subject headings matching the query, ordered by relevance. To see how many LOC items carry a heading, pass its label as the libofcongress_search subject filter and read total.'}, 'truncated': {'type': 'boolean', 'description': 'True when results were capped at the requested limit. Increase limit or refine the query to surface additional headings.'}, 'effectiveQuery': {'type': 'string', 'description': 'The keyword query as submitted to the id.loc.gov suggest endpoint, after trimming.'}}, 'additionalProperties': False}