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SWATGenX MCP Server

SWATGenX MCP Server

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SWATGenX MCP Server

The agent-native front door to SWATGenX: SWAT+ watershed models for any river in the lower 48 states, built in the cloud from national datasets, with calibration as a separate step you run when you are ready.

Add it to Claude or any MCP client, and an agent can search the example-model catalog with its calibration and held-out validation scores, query a national groundwater well inventory and a national PFAS monitoring inventory, preview what a model of a watershed would contain, read the documentation, and start, track and download a real SWAT+ build under the same allocations as the web app.

Connect

claude mcp add --transport http swatgenx https://www.swatgenx.com/mcp

or, in a client's JSON config:

{ "mcpServers": { "swatgenx": { "type": "http", "url": "https://www.swatgenx.com/mcp" } } }

Connecting and listing the tools need no sign-in. Every tool call needs a SWATGenX sign-in or an API key: clients that support MCP authorization sign in with OAuth 2.1 through swatgenx.com; clients that set headers can send Authorization: Bearer <your API key>.

Related MCP server: Site-Screen MCP

Tools

From 15 October 2026, the model, data and build tools need model access, and accounts are by invitation. The documentation, access and engine-info tools stay open to any account.

Tool

Title

Access from 15 Oct 2026

search_docs

Search the SWATGenX documentation

any account

get_doc

Read a SWATGenX documentation chapter

any account

get_engine_info

Get SWAT+ engine source, build guide and toolchain

any account

get_access_info

Get access level and allocations

any account

search_swat_models

Search SWAT+ example models

model access

get_model_calibration

Get model calibration results

model access

query_groundwater

Query national groundwater wells

model access

query_pfas

Query PFAS monitoring (US or worldwide)

model access

request_model

Preview a watershed model build

model access

order_model

Build a SWAT+ watershed model

model access

get_order_status

Get model build status

model access

list_my_models

List your models and builds

model access

download_model

Get a model download link

model access

About

SWATGenX builds SWAT+ models for a USGS gauge, a HUC12 outlet or a HUC8 basin from NHDPlus HR hydrography, gSSURGO soils, NLCD land cover and PRISM weather. A groundwater study (offered in Michigan Lower Peninsula, Indiana, Minnesota, Ohio, Wisconsin) also builds a steady-state MODFLOW 6 groundwater model. Calibration against USGS streamflow is a separate step you run when you are ready. Daily two-way SWAT+/MODFLOW 6 coupling is in the engine, not yet in an automatic build.

The national groundwater inventory is described in doi:10.5194/essd-2026-527.

The server implementation lives in the main SWATGenX repository; this repository holds the registry manifest (server.json) and the publish workflow.

License

MIT

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    Resources

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