io.github.cyanheads/usgs-water-mcp-server
Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.
DatabasesInfrastructureProductivity
water_get_readings · inputSchema.properties.period.pattern
"^P(?!$)(\\d+Y)?(\\d+M)?(\\d+W)?(\\d+D)?(T(?=\\d)(\\d+H)?(\\d+M)?(\\d+(\\.\\d+)?S)?)?$": lookaround ((?=, (?!, (?<=, (?<!) is not RE2-compatible
updated 8h ago·validator v0.2.0·re-checked weekly
| Date | Grade | Errors | Warnings |
|---|---|---|---|
| 2026-08-17 | D | 1 | 0 |
| 2026-08-10 | D | 1 | 0 |
| 2026-08-03 | D | 1 | 0 |
| 2026-07-27 | D | 1 | 0 |
| 2026-07-20 | D | 1 | 0 |
| 2026-07-08 | A | 0 | 0 |
Graded by connecting to the live server and validating every tool schema. Grades re-run on every sync. Findings and grades are never editable by the publisher.
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