Cdec Ca

liveEnvironmentClimateUS

California reservoir levels, snowpack, river flow and precipitation from the state's Data Exchange Center.

6tools
0msauth
free tier50 calls/day

Tools

station_info

Station metadata.

No parameters required.

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daily_data

Daily data for (station, sensor). CDEC's -9999 missing marker is returned as value: null with missing: true, and the response counts the gaps.

No parameters required.

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hourly_data

Hourly data for (station, sensor). CDEC's -9999 missing marker is returned as value: null with missing: true, and the response counts the gaps.

No parameters required.

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event_data

Event-based irregular readings for (station, sensor). CDEC's -9999 missing marker is returned as value: null with missing: true.

No parameters required.

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latest

Most recent REAL reading for (station, sensor), looking back three days. CDEC writes -9999 into slots it has no reading for and the current day's trailing hours are routinely unwritten, so this skips

No parameters required.

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reservoirs

Reservoir storage snapshots.

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/cdec-ca/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/cdec-ca/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"station_info","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("station_info", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("california reservoir levels, snowpack, river flow and precipitation from the state's data exchange center");