NestDaddy
All servers NestDaddy MCP Blog Sign inTry it free
Search and web

Epa Drinking Water Mcp Server

io.github.cyanheads/epa-drinking-water-mcp-server · v0.3.0

Search EPA drinking water systems, violations, enforcement, and contaminant measurements.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add epa-drinking-water-mcp-server -e CANVAS_PROVIDER_TYPE=<CANVAS_PROVIDER_TYPE> -e SDWIS_CLAMP_LIMITS=<SDWIS_CLAMP_LIMITS> -e SDWIS_DATAFRAME_DROP_ENABLED=<SDWIS_DATAFRAME_DROP_ENABLED> -e CANVAS_DEFAULT_ROW_LIMIT=<CANVAS_DEFAULT_ROW_LIMIT> -e CANVAS_DEFAULT_MEMORY_LIMIT_MB=<CANVAS_DEFAULT_MEMORY_LIMIT_MB> -e MCP_LOG_LEVEL=<MCP_LOG_LEVEL> -- npx -y @cyanheads/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "epa-drinking-water-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/[email protected]"
      ],
      "env": {
        "CANVAS_PROVIDER_TYPE": "<CANVAS_PROVIDER_TYPE>",
        "SDWIS_CLAMP_LIMITS": "<SDWIS_CLAMP_LIMITS>",
        "SDWIS_DATAFRAME_DROP_ENABLED": "<SDWIS_DATAFRAME_DROP_ENABLED>",
        "CANVAS_DEFAULT_ROW_LIMIT": "<CANVAS_DEFAULT_ROW_LIMIT>",
        "CANVAS_DEFAULT_MEMORY_LIMIT_MB": "<CANVAS_DEFAULT_MEMORY_LIMIT_MB>",
        "MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "epa-drinking-water-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/[email protected]"
      ],
      "env": {
        "CANVAS_PROVIDER_TYPE": "<CANVAS_PROVIDER_TYPE>",
        "SDWIS_CLAMP_LIMITS": "<SDWIS_CLAMP_LIMITS>",
        "SDWIS_DATAFRAME_DROP_ENABLED": "<SDWIS_DATAFRAME_DROP_ENABLED>",
        "CANVAS_DEFAULT_ROW_LIMIT": "<CANVAS_DEFAULT_ROW_LIMIT>",
        "CANVAS_DEFAULT_MEMORY_LIMIT_MB": "<CANVAS_DEFAULT_MEMORY_LIMIT_MB>",
        "MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "epa-drinking-water-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/[email protected]"
      ],
      "env": {
        "CANVAS_PROVIDER_TYPE": "<CANVAS_PROVIDER_TYPE>",
        "SDWIS_CLAMP_LIMITS": "<SDWIS_CLAMP_LIMITS>",
        "SDWIS_DATAFRAME_DROP_ENABLED": "<SDWIS_DATAFRAME_DROP_ENABLED>",
        "CANVAS_DEFAULT_ROW_LIMIT": "<CANVAS_DEFAULT_ROW_LIMIT>",
        "CANVAS_DEFAULT_MEMORY_LIMIT_MB": "<CANVAS_DEFAULT_MEMORY_LIMIT_MB>",
        "MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
CANVAS_PROVIDER_TYPE
Optional		Optional SQL staging in the npm runtime: none or duckdb.
SDWIS_CLAMP_LIMITS
Optional		Clamp inline row limits above 500 with a notice; false rejects them.
SDWIS_DATAFRAME_DROP_ENABLED
Optional		Enable removal of staged tables when DataCanvas is enabled.
CANVAS_DEFAULT_ROW_LIMIT
Optional		SQL retained-row ceiling; the server maximum is 25000.
CANVAS_DEFAULT_MEMORY_LIMIT_MB
Optional		DuckDB memory budget per engine in MiB; maximum 512.
MCP_LOG_LEVEL
Optional		Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

Details

Package@cyanheads/[email protected] (NPM, stdio)
Package@cyanheads/[email protected] (NPM, streamable-http)
First published3 Nov 2026
Last updated3 Nov 2026
Registry nameio.github.cyanheads/epa-drinking-water-mcp-server

More search and web servers See all

Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.