usgs water mcp server MCP Tools
usgs water mcp server exposes 7 tools. Each one has its own page with the configuration for every client that can run this server.
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water_list_parameterswater list parameters
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water_find_siteswater find sites
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water_get_readingswater get readings
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water_get_serieswater get series
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water_get_conditionswater get conditions
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water_dataframe_querywater dataframe query
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water_dataframe_describewater dataframe describe
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.