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Can Claude check lake levels?

Not on its own. Claude knows what a full pool is and roughly where big reservoirs sat in past years, but not today's reading. Lake levels move every hour, and the numbers sit in USGS, Army Corps, CDEC, Reclamation and Texas Water Development Board gauges that Claude does not read by default. Connect the free Lake Level server and Claude gets the current elevation from the government gauge, the distance below full pool and the change over 24 hours, 7 days and 30 days.

Connect free, no token Lake level MCP server

What Claude does alone, and what needs the server

Claude on its own

  • Explains full pool, conservation pool and why a lake drops in summer.
  • Plans a trip around a level you give it.

With the Lake Level server

  • The current gauge reading for 44 US lakes and reservoirs in 12 states.
  • Change over 24 hours, 7 days and 30 days, and feet below full pool.
  • Up to 365 days of daily or weekly history from the same gauge.

A real call to the live server

We sent this to the hosted server on 2026-11-03. The answer below is the server's own text, not a mock-up. Live values will differ when you ask.

You ask

Is Lake Travis up or down this week, and how far below full is it?

Tool call

get_lake_level {"lake":"Lake Travis"}

Server answer

Lake Travis (TX) is at 677.09 ft above sea level per the USGS gauge, measured 2026-11-03T01:45:00-06:00. That is 3.91 ft below full pool (681.0 ft). Change: -0.04 ft in 24 h, -0.05 ft in 7 days, -0.72 ft in 30 days.

Connect it in 1 minute

One URL, no token, no account. In Claude.ai or Claude Desktop open Settings, then Connectors, then Add custom connector, and paste the URL.

Connector URL

https://lake-level-mcp.lipmichal.workers.dev/mcp

Claude Code

claude mcp add --transport http lake-level https://lake-level-mcp.lipmichal.workers.dev/mcp

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "lake-level": {
      "url": "https://lake-level-mcp.lipmichal.workers.dev/mcp"
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "lake-level": {
      "type": "http",
      "url": "https://lake-level-mcp.lipmichal.workers.dev/mcp"
    }
  }
}

All 4 tools, sources and more prompts: Lake level MCP server · LakeLevelNow

Questions

Can Claude check lake levels?
Not on its own. Claude knows what a full pool is and roughly where big reservoirs sat in past years, but not today's reading. Lake levels move every hour, and the numbers sit in USGS, Army Corps, CDEC, Reclamation and Texas Water Development Board gauges that Claude does not read by default. Connect the free Lake Level server and Claude gets the current elevation from the government gauge, the distance below full pool and the change over 24 hours, 7 days and 30 days.
Which lakes does it cover?
44 US lakes and reservoirs in 12 states, including Lake Travis, Lake Mead, Lake Powell, Lake Lanier, Lake Texoma and Kentucky Lake. Ask it to search by name or state.
Where do the numbers come from?
USGS, USACE CWMS, CDEC, Reclamation RISE and TWDB gauges, read at call time. Each answer names the gauge and links to its data page.
Is the server free?
Yes. The Lake Level server is free at its hosted URL with no token, key or account. The source is open on GitHub.

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