Koskamo

Zovo River Level Check MCP

Check current USGS streamflow and gage height at USGS stream gauges, view 24-hour trends, compare with historical data, and download PDF condition sheets and CSV files for up to 10 gauges.

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Endpoint and access

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Zovo River Level Check MCP logo, by ZovoCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-08Published by Zovo
MCP endpoint (Streamable HTTP)
https://river-levels.zovo.one/mcp
Vendor documentation

What its tools do

2 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (2)

2 of 2 have a description · 2 of 2 declare behavior hints · 2 of 2 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Check current river flow and gage height at USGS gauges
  • View 24-hour trend and 1 to 7 day change
  • Find USGS stream gauges by state and river name
  • Download PDF condition sheet and CSV of readings

Source and maintenance

Community listingRegistry 1.0.0
mcp-registry: io.github.theluckystrike/river-levels@1.0.0Project website

Protocol and capabilities

Server
river-levels 1.0.0
MCP protocol negotiated in check
2025-11-25
Tools
2 advertised
Resources
1 advertised
Resource templates
1 advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": true
  },
  "resources": {
    "listChanged": true
  }
}

Tools

2 advertised

find_river_gauges — Find river gauges
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants to find USGS river or stream gauges (site numbers) by US state and river name, or near a US city or town. Returns up to 25 active gauges with current data, with distance for city searches. Does not accept coordinates and does not return readings; use get_river_conditions for flow and gage height.

find_river_gauges input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "name": {
      "type": "string",
      "maxLength": 60,
      "description": "Words from the river or gauge name, e.g. Arkansas River. Optional filter."
    },
    "place": {
      "type": "string",
      "maxLength": 80,
      "description": "US city or town with 15,000+ people, e.g. Boulder. Gauges are listed by distance from it."
    },
    "state": {
      "type": "string",
      "maxLength": 40,
      "description": "US state as a two-letter code or name, e.g. CO. Required unless place is given; with place it picks between same-named cities."
    },
    "radius_miles": {
      "type": "number",
      "description": "Search radius around place in miles, 1 to 50, e.g. 15 (default 15)."
    }
  }
}
find_river_gauges output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "search",
    "matched_place",
    "other_places",
    "total",
    "shown",
    "gauges",
    "note",
    "source",
    "source_url",
    "retrieved_utc"
  ],
  "properties": {
    "note": {
      "type": "string"
    },
    "shown": {
      "type": "number"
    },
    "total": {
      "type": "number"
    },
    "gauges": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "site_no",
          "name",
          "distance_miles",
          "page"
        ],
        "properties": {
          "name": {
            "type": "string"
          },
          "page": {
            "type": "string"
          },
          "site_no": {
            "type": "string"
          },
          "distance_miles": {
            "type": [
              "number",
              "null"
            ]
          }
        },
        "additionalProperties": false
      }
    },
    "search": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "source_url": {
      "type": "string"
    },
    "other_places": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "matched_place": {
      "type": "string"
    },
    "retrieved_utc": {
      "type": "string"
    }
  },
  "additionalProperties": false
}
find_river_gauges annotations
{
  "title": "Find river gauges",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}
get_river_conditions — Get river conditions
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants current river flow (discharge) or gage height at USGS stream gauges, the 24-hour trend, how today compares with the same date in past years, or a printable condition sheet. Takes 1 to 10 USGS site numbers and 1 to 7 days; returns a PDF and a CSV of readings. Readings are provisional. Does not forecast and is not a flood warning; use find_river_gauges first when the site number is unknown.

get_river_conditions input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "site_ids"
  ],
  "properties": {
    "days": {
      "type": "number",
      "description": "Days of readings to include, 1 to 7, e.g. 7 (default 7)."
    },
    "paper": {
      "enum": [
        "letter",
        "a4"
      ],
      "type": "string",
      "description": "PDF paper size, e.g. letter (default) or a4."
    },
    "site_ids": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 40,
        "description": "USGS site number, 8 to 15 digits, e.g. 01646500."
      },
      "description": "USGS site numbers to check, e.g. [\"01646500\",\"01638500\"]. 1 to 10 entries."
    }
  }
}
get_river_conditions output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "summary",
    "sites",
    "trend_rule",
    "statistics_note",
    "provisional_note",
    "source",
    "source_url",
    "retrieved_utc",
    "downloads"
  ],
  "properties": {
    "sites": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "site_no",
          "name",
          "status",
          "provisional",
          "discharge",
          "gage_height",
          "notes"
        ],
        "properties": {
          "name": {
            "type": "string"
          },
          "page": {
            "type": "string"
          },
          "notes": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "status": {
            "type": "string"
          },
          "site_no": {
            "type": "string"
          },
          "discharge": {
            "anyOf": [
              {
                "type": "object",
                "required": [
                  "latest",
                  "unit",
                  "latest_time",
                  "trend",
                  "change_24h_pct",
                  "stat_day",
                  "percent_of_median",
                  "status"
                ],
                "properties": {
                  "band": {
                    "type": "string"
                  },
                  "unit": {
                    "type": "string"
                  },
                  "trend": {
                    "type": "string"
                  },
                  "latest": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "median": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "status": {
                    "type": "string"
                  },
                  "stat_day": {
                    "type": "string"
                  },
                  "change_24h": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "stat_years": {
                    "type": "string"
                  },
                  "window_max": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "window_min": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "latest_time": {
                    "type": "string"
                  },
                  "window_change": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "change_24h_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "percent_of_median": {
                    "type": [
                      "number",
                      "null"
                    ]
                  }
                },
                "additionalProperties": false
              },
              {
                "type": "null"
              }
            ]
          },
          "gage_height": {
            "anyOf": [
              {
                "type": "object",
                "required": [
                  "latest",
                  "unit",
                  "latest_time",
                  "trend",
                  "change_24h_pct",
                  "stat_day",
                  "percent_of_median",
                  "status"
                ],
                "properties": {
                  "band": {
                    "type": "string"
                  },
                  "unit": {
                    "type": "string"
                  },
                  "trend": {
                    "type": "string"
                  },
                  "latest": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "median": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "status": {
                    "type": "string"
                  },
                  "stat_day": {
                    "type": "string"
                  },
                  "change_24h": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "stat_years": {
                    "type": "string"
                  },
                  "window_max": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "window_min": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "latest_time": {
                    "type": "string"
                  },
                  "window_change": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "change_24h_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "percent_of_median": {
                    "type": [
                      "number",
                      "null"
                    ]
                  }
                },
                "additionalProperties": false
              },
              {
                "type": "null"
              }
            ]
          },
          "provisional": {
            "type": "boolean"
          }
        },
        "additionalProperties": false
      }
    },
    "source": {
      "type": "string"
    },
    "summary": {
      "type": "object",
      "required": [
        "sites",
        "with_data",
        "no_data",
        "unavailable",
        "days"
      ],
      "properties": {
        "days": {
          "type": "number"
        },
        "sites": {
          "type": "number"
        },
        "no_data": {
          "type": "number"
        },
        "with_data": {
          "type": "number"
        },
        "unavailable": {
          "type": "number"
        }
      },
      "additionalProperties": false
    },
    "downloads": {
      "type": "object",
      "required": [
        "pdf",
        "csv"
      ],
      "properties": {
        "csv": {
          "type": "string"
        },
        "pdf": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "source_url": {
      "type": "string"
    },
    "trend_rule": {
      "type": "string"
    },
    "retrieved_utc": {
      "type": "string"
    },
    "statistics_note": {
      "type": "string"
    },
    "provisional_note": {
      "type": "string"
    }
  },
  "additionalProperties": false
}
get_river_conditions annotations
{
  "title": "Get river conditions",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

1 advertised

river-levels-widget — Zovo River Level Check view

Advertised by the server during the last successful anonymous check.

Interactive view for Zovo River Level Check.

river-levels-widget URI
ui://widget/river-levels-1-1.0.0-9cbb819ea72235b92972ffbf889b7080d4fb07e07879366279d7d29dd374f7e9.html

MIME type: text/html;profile=mcp-app

river-levels-widget-legacy — Zovo River Level Check view (previous versions)

Advertised by the server during the last successful anonymous check.

river-levels-widget-legacy URI template
ui://widget/river-levels-{version}.html

MIME type: text/html;profile=mcp-app

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
1138 ms
95th percentile latency
1138 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 1138 ms · metadata changed · 2 tool(s), 1 resource(s), 1 resource template(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http zovo-river-level-check-mcp https://river-levels.zovo.one/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add zovo-river-level-check-mcp --url https://river-levels.zovo.one/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable zovo-river-level-check-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "zovo-river-level-check-mcp": {
      "url": "https://river-levels.zovo.one/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "zovo-river-level-check-mcp": {
      "type": "streamableHttp",
      "url": "https://river-levels.zovo.one/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start zovo-river-level-check-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "zovo-river-level-check-mcp": {
      "type": "http",
      "url": "https://river-levels.zovo.one/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http zovo-river-level-check-mcp https://river-levels.zovo.one/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://river-levels.zovo.one/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "zovo-river-level-check-mcp": {
      "serverUrl": "https://river-levels.zovo.one/mcp"
    }
  }
}

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