{
  "markdown": "# SWATGenX MCP Server\n\nThe agent-native front door to **[SWATGenX](https://www.swatgenx.com)** — automated,\ncalibrated SWAT+ watershed modeling for the conterminous United States.\n\nAdd it to Claude or any MCP client and a continental watershed-modeling platform becomes a\nset of callable tools: search calibrated SWAT+ models, read calibration and held-out\nvalidation scores, query a national groundwater lithology inventory of ~28.8 million depth\nintervals, query a national PFAS monitoring inventory, and — with an API key — order and\ndownload watershed models.\n\n- **Endpoint:** `https://www.swatgenx.com/mcp`\n- **Transport:** streamable HTTP\n- **Full documentation & client setup:** https://www.swatgenx.com/mcp-server\n\n## Connect\n\n```json\n{\n  \"mcpServers\": {\n    \"swatgenx\": {\n      \"type\": \"http\",\n      \"url\": \"https://www.swatgenx.com/mcp\"\n    }\n  }\n}\n```\n\nSix tools need no credentials. To order or download models, send your API key in the\n`X-SWATGenX-Api-Key` header (free key with an account at swatgenx.com).\n\n## Tools\n\n| Tool | What it does | Needs |\n|---|---|---|\n| `search_swat_models` | Browse the example-model catalog (state, size, calibration status) | — |\n| `get_model_calibration` | Calibration and held-out validation NSE / PBIAS for one model | — |\n| `query_groundwater` | Nearest wells and lithology from the national inventory | — |\n| `query_pfas` | National PFAS monitoring inventory by state or analyte | — |\n| `request_model` | Preview what SWATGenX would build for a gauge or HUC12 outlet | — |\n| `get_access_info` | The access ladder and your current tier | — |\n| `order_model` | Order a real SWAT+ build | API key |\n| `get_order_status` | Track a build order to completion | API key |\n| `list_my_models` | List your build orders | API key |\n| `download_model` | Mint a 24-hour download link | API key |\n\n## About\n\nSWATGenX builds physically based SWAT+ and coupled SWAT+/MODFLOW 6 models from NHDPlus HR\nhydrography, gSSURGO soils, NLCD land cover and PRISM climate, and calibrates them against\nUSGS streamflow. The national groundwater inventory this server queries is described in a\npreprint under open review at *Earth System Science Data*\n([doi:10.5194/essd-2026-527](https://doi.org/10.5194/essd-2026-527)).\n\nThe server implementation lives in the main SWATGenX repository; this repository holds the\nregistry manifest (`server.json`) and the publish workflow.\n\n## License\n\n[MIT](LICENSE)\n",
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  "repo_slug": "swatgenx/swatgenx-mcp",
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}