MCP server

Cdec Ca

io.github.pipeworx-io/cdec-ca

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

CDEC (California Data Exchange Center) MCP. Keyless.

From the maker's README California Data Exchange Center (CDEC) MCP — California Department of Water Resources real-time and historical hydrology, reservoir storage, snow water content, and stream gauges. Keyless. Source

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

48

Token cost

About 27,036 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http cdec-ca https://gateway.pipeworx.io/cdec-ca/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.cdec-ca]
url = "https://gateway.pipeworx.io/cdec-ca/mcp"

Gemini CLI

{"mcpServers":{"cdec-ca":{"httpUrl":"https://gateway.pipeworx.io/cdec-ca/mcp"}}}

Cursor

{"mcpServers":{"cdec-ca":{"url":"https://gateway.pipeworx.io/cdec-ca/mcp"}}}

VS Code

{"servers":{"cdec-ca":{"type":"http","url":"https://gateway.pipeworx.io/cdec-ca/mcp"}}}

Antigravity

agy mcp add cdec-ca https://gateway.pipeworx.io/cdec-ca/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"cdec-ca","server_url":"https://gateway.pipeworx.io/cdec-ca/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"cdec-ca","server_url":"https://gateway.pipeworx.io/cdec-ca/mcp"}

Tools

• daily_data ~156 tokens
  Daily data for (station, sensor). CDEC's -9999 missing marker is returned as value: null with missing: true, and the response counts the gaps.
• event_data ~144 tokens
  Event-based irregular readings for (station, sensor). CDEC's -9999 missing marker is returned as value: null with missing: true.
• hourly_data ~156 tokens
  Hourly data for (station, sensor). CDEC's -9999 missing marker is returned as value: null with missing: true, and the response counts the gaps.
• latest ~157 tokens
  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 those and reports how many missing slots it skipped rather than returning the marker as a number.
• reservoirs ~58 tokens
  Reservoir storage snapshots.
• station_info ~62 tokens
  Station metadata.

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