io.github.cyanheads/usgs-water-mcp-server
usgs-water-mcp-server
io.github.cyanheads/usgs-water-mcp-server costs 3 670 tokens of context per session. It has 7 tool definitions. That is 1.8 % of a 200k window. Measured 2026-10-03.
Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.
alive probed 2026-10-03 · HTTP 200
7tools
3.7ktokens for the tool definitions
1.8 %of a 200k context window
1.2 sto initialize
124 msto list tools
- Endpoint
- https://usgs-water.caseyjhand.com/mcp (streamable-http)
- Host
- usgs-water.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- usgs-water-mcp-server 0.2.6
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 1 275 characters
- Repository
- https://github.com/cyanheads/usgs-water-mcp-server
- Registry
- active, updated 2026-09-25 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| water_find_sites | 1 082 | 29 % |
| water_get_series | 798 | 22 % |
| water_get_readings | 569 | 16 % |
| water_list_parameters | 389 | 11 % |
| water_get_conditions | 364 | 10 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:37 | alive | 1.2 s | 7 | 3.7k |
| 2026-10-03 17:53 | alive | 445 ms | 7 | 3.7k |
Badge
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