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    "title": "Grants.gov Opportunity Alert — Daily Federal Grant Diff",
    "description": "Daily diff feed for the Grants.gov public REST API. Emits JSONL records for every change to status, close-date, award ceiling/floor, eligibility, or synopsis. Replaces $550-2,400/yr NOFO trackers (GrantStation, FDO) at $3-15/mo. For grant writers, university grants offices, and AI funding agents.",
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          "watchlist": {
            "title": "Watchlist (Opportunity numbers)",
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            "description": "Explicit list of opportunity numbers (e.g. HHS-2026-IHS-RAP-0001). If empty, use filters below.",
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          },
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            "description": "Free-text keyword filter applied to title and synopsis (OR-combined).",
            "default": [],
            "items": {
              "type": "string"
            }
          },
          "agencies": {
            "title": "Agencies",
            "type": "array",
            "description": "Agency codes (e.g. HHS, NIH, NSF, USDA, DOD). Partial match.",
            "default": [],
            "items": {
              "type": "string"
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          },
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            "title": "CFDA / ALN numbers",
            "type": "array",
            "description": "Catalog of Federal Domestic Assistance numbers (e.g. 93.243, 84.305). Now formally Assistance Listing Numbers (ALN).",
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              "type": "string"
            }
          },
          "funding_categories": {
            "title": "Funding categories",
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            "description": "e.g. ['HL','ED','ST']. See Grants.gov category code list.",
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              "type": "string"
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          },
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            "title": "Applicant eligibilities",
            "type": "array",
            "description": "Eligibility codes (e.g. '00' Unrestricted, '06' Public/State Higher Ed, '07' Nonprofit).",
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              "type": "string"
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              "forecasted",
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              "type": "string"
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          },
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            "title": "Snapshot key",
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            "description": "Key-value store key holding the previous snapshot. Default: 'snapshot-latest'.",
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          },
          "max_opportunities": {
            "title": "Max opportunities per run",
            "minimum": 1,
            "maximum": 100000,
            "type": "integer",
            "description": "Hard cap on opportunities fetched per run (cost ceiling).",
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          },
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            "title": "API rate limit (requests per second)",
            "minimum": 1,
            "maximum": 5,
            "type": "integer",
            "description": "Grants.gov has no published RPS but honour 2 rps as polite-default.",
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          }
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