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onboard_start — RiverWatch: USGS river levels & stream-flow gauges — per query MCP Tool

onboard_start (onboard start) is one of 16 tools on the RiverWatch: USGS river levels & stream-flow gauges — per query MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call onboard_start from your client

Fastest route

claude mcp add --transport http data-river-level-stream-flow-flood-alert-gauge https://a2awire.com/mcp/data/riverwatch-usgs-river-levels-stream-flow-gauges-dc094e/http

Other tools on this server

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.