River Level
Live US river levels, flow rates and NWS flood forecasts from USGS stream gauges, no sign-in needed.
Finds USGS stream gauges by river, town, state or location. Reports current stage, streamflow and water temperature, NWS flood stages and categories, and 2 to 366 days of history for trend checks. Also pulls NWS flood forecasts for forecast points. Public data, no account required.
Try asking Muse: "Is the Potomac at Little Falls rising right now, and what does the flood forecast say?"
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Source: Found in the official MCP Registry (io.github.theluckystrike/river-level-mcp) · First listed November 3, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://river-level-mcp.lipmichal.workers.dev/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
River Level is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://river-level-mcp.lipmichal.workers.dev/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 150ms. Worked in n/a of checks over 30 days.
Screening · November 3, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 4
find_river_gaugesSearch USGS stream gauges nationwide by river and place name (for example "mississippi st louis", "potomac little falls"), by state, or within a radius of a latitude and longitude. Returns site numbers with whether each is reporting now and its latest stage and flow, active gaugeget_river_levelCurrent river stage (gage height in feet), streamflow (discharge in cubic feet per second) and water temperature where measured, read now from a USGS stream gauge (readings every 5 to 60 minutes). Adds the NWS flood stages (action, minor, moderate, major), the current flood categget_river_historyDaily mean streamflow (default) or stage for a USGS gauge over the last 2 to 366 days, with first, last, low, high, mean and change. Use it for trend, drought and "is the river rising" questions. Many gauges publish daily means for discharge only.get_flood_forecastThe current NOAA National Water Prediction Service river forecast for a gauge: the forecast stage and flow series, the forecast crest with its flood category, the latest observation, flood stages and the record crest. Works for NWS forecast points (accepts the NWS id or the USGS Link
https://river-level-mcp.lipmichal.workers.dev/mcpQuestions about River Level in Muse
How do I connect River Level to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use River Level to help me. It is a free service with an MCP server at https://river-level-mcp.lipmichal.workers.dev/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is River Level working right now?
At the last check (November 3, 2026, 07:46 UTC) the endpoint was working, answering in 150ms. It is checked every 15 minutes.
Is River Level safe to connect to Muse?
It was screened on November 3, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can River Level do in Muse?
It exposes 4 tools, including find_river_gauges, get_river_level, get_river_history, get_flood_forecast. For example, you could ask Muse: "Is the Potomac at Little Falls rising right now, and what does the flood forecast say?"
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This listing was added from public sources (Found in the official MCP Registry (io.github.theluckystrike/river-level-mcp)). If you build River Level, claim it to correct the details and get your badge.
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