{
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  "info": {
    "title": "Academic Paper Search: OpenAlex, PubMed, arXiv",
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            "type": "string",
            "description": "Search terms, e.g. a topic like CRISPR. Sent to each source's own search (OpenAlex search, PubMed search terms, arXiv all-fields search), so matching can vary by source. Required; no default."
          },
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            "title": "Sources",
            "minItems": 1,
            "uniqueItems": true,
            "type": "array",
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                "openalex",
                "pubmed",
                "arxiv"
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            "title": "From year",
            "minimum": 1000,
            "maximum": 2100,
            "type": "integer",
            "description": "Earliest publication year to include, e.g. 2023. Leave empty to apply no lower bound. If both years are empty, there is no year filter."
          },
          "toYear": {
            "title": "To year",
            "minimum": 1000,
            "maximum": 2100,
            "type": "integer",
            "description": "Latest publication year to include, e.g. 2026. Leave empty to apply no upper bound. If both years are empty, there is no year filter."
          },
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            "title": "Max results per source",
            "minimum": 1,
            "maximum": 10000,
            "type": "integer",
            "description": "Maximum papers to save from each selected source (1 to 10,000; default 100). With 3 sources you can get up to 3 × this number, before duplicates are merged. Each saved paper is billed at $0.0015 ($1.50 per 1,000), so this also caps cost.",
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          },
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          },
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            "title": "OpenAlex API key (optional)",
            "type": "string",
            "description": "Optional, recommended. A free OpenAlex key raises your daily OpenAlex budget 10× (a free key gets $1 a day) and allows cursor paging past the first page; it does not change speed (about 8 requests/s either way). Without a key, if the small daily budget runs out, the run continues with PubMed and arXiv only. Stored encrypted."
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          "ncbiApiKey": {
            "title": "NCBI API key (optional)",
            "type": "string",
            "description": "Optional. Your NCBI key raises PubMed from 3 to 10 requests/s. Stored encrypted."
          },
          "contactEmail": {
            "title": "Contact email (optional)",
            "type": "string",
            "description": "Optional. An email passed to NCBI and OpenAlex as a polite contact. Leave empty to send none."
          }
        }
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                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
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                  "userAgent": {
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                    "example": 0
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                    "example": 0
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                    "example": 0
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                }
              },
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                    "example": "latest"
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