Pegel MCP Server

by fluvigil Your server? Claim it

answering

Pegel is answering right now. Last checked 9 min ago. It exposes 6 tools.

German and Swiss river gauges, groundwater and flood levels from ten official sources

Uptime history 54 days of history · worst day 99%

54 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

63 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 17

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 September 2026. No other catalogue keeps this.

13 Oct 5 tool descriptions were rewritten get_flood_situation, get_forecast, get_readings and 2 more

13 Oct a tool changed the parameters it asks for search_stations

13 Oct a tool changed version

23 Sep 3 tools changed the parameters they ask for get_flood_situation, get_station, search_stations

11 Sep 2 tool descriptions were rewritten4 times that day get_readings, search_stations

11 Sep a tool changed the parameters it asks for3 times that day search_stations

and 4 more, back to 11 September 2026

Nothing serious here today

Today is the operative word: we check Pegel every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add pegel --transport http https://fluvigil.de/mcp

Settings → Connectors → Add custom connector, then paste this address

https://fluvigil.de/mcp

~/.codex/config.toml

[mcp_servers.pegel]
url = "https://fluvigil.de/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "pegel": {
      "url": "https://fluvigil.de/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "pegel": {
      "type": "http",
      "url": "https://fluvigil.de/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

flood

get_flood_situation

Current flood situation: stations with an active LHP flood class (1 small … 4 very large), optionally per federal state. Every result names the data provider in sourceNotice (search and flood situation: sourceNotices, keyed by sourceNoticeId); show that notice with any value, class or forecast you pass on, and the licence terms of the API require it.

forecast

get_forecast

Newest published water-level forecast for a station: the median of the state agency model run, future points within the horizon. Only gauges whose state publishes numeric forecasts have one, so an empty result is normal. Indicative, not an official warning. Every result names the data provider in sourceNotice (search and flood situation: sourceNotices, keyed by sourceNoticeId); show that notice with any value, class or forecast you pass on, and the licence terms of the API require it.

readings

get_readings

Time series for a station (downsampled to ≤200 points; history depth on this tier: last 90 days, default last 7 days). type "level" (default) → level series as stored valueCentimeters: centimetres above gauge zero for most gauges, but an elevation ×100 for groundwater wells and for gauges reporting an absolute elevation (Swiss gauges, the Neusiedler See) — divide by valueDivisor to read it in unit. type "discharge" → discharge Q in m³/s where the station provides it. Every result names the data provider in sourceNotice (search and flood situation: sourceNotices, keyed by sourceNoticeId); show that notice with any value, class or forecast you pass on, and the licence terms of the API require it.

station

get_station

Master data of one station: measurement type, current value with its unit, thresholds (MNW/MHW, alert marks, as stored valueCentimeters), flood class, coordinates. Every result names the data provider in sourceNotice (search and flood situation: sourceNotices, keyed by sourceNoticeId); show that notice with any value, class or forecast you pass on, and the licence terms of the API require it.

stations

search_stations

Search stations in Germany and its neighbouring countries — river gauges, groundwater wells, reservoirs, coastal gauges — by name or water body, optionally filtered by region (a German federal state or a country code). latestValue is given in the station's unit. Every result names the data provider in sourceNotice (search and flood situation: sourceNotices, keyed by sourceNoticeId); show that notice with any value, class or forecast you pass on, and the licence terms of the API require it.

weather

get_weather

Daily weather forecast at the station coordinate (DWD data via Bright Sky).

Endpoints

URL	Transport	State	Latency	Checked
https://fluvigil.de/mcp	streamable-http	answering	59 ms	9 min ago

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Pegel — questions

Answers built from our own checks of this server.

What can Pegel do?

It exposes 6 tools, read directly from the server on our last check. Among them: get_flood_situation, get_forecast, get_readings, get_station, get_weather, search_stations. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Pegel working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 63 ms. The bar chart above shows every period we have measured.

How do I connect Pegel?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Pegel need an API key?

No. Pegel completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Pegel?

It answers our handshake in 63 ms on average, which is faster than 99% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.