Solar Data

io.github.hoodsy/solar-data-mcp · v0.1.1

US open solar data for agents: PVWatts production, tariffs & ROI, market data, forecasts. 18 tools.

Website Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add solar-data-mcp -e NREL_API_KEY=<NREL_API_KEY> -e OPENEI_API_KEY=<OPENEI_API_KEY> -e EIA_API_KEY=<EIA_API_KEY> -e AHJ_REGISTRY_TOKEN=<AHJ_REGISTRY_TOKEN> -- uvx solar-data-mcp==0.1.1

claude_desktop_config.json

{
  "mcpServers": {
    "solar-data-mcp": {
      "command": "uvx",
      "args": [
        "solar-data-mcp==0.1.1"
      ],
      "env": {
        "NREL_API_KEY": "<NREL_API_KEY>",
        "OPENEI_API_KEY": "<OPENEI_API_KEY>",
        "EIA_API_KEY": "<EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "solar-data-mcp": {
      "command": "uvx",
      "args": [
        "solar-data-mcp==0.1.1"
      ],
      "env": {
        "NREL_API_KEY": "<NREL_API_KEY>",
        "OPENEI_API_KEY": "<OPENEI_API_KEY>",
        "EIA_API_KEY": "<EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "solar-data-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "solar-data-mcp==0.1.1"
      ],
      "env": {
        "NREL_API_KEY": "<NREL_API_KEY>",
        "OPENEI_API_KEY": "<OPENEI_API_KEY>",
        "EIA_API_KEY": "<EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}

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

Name	Description
`NREL_API_KEY` Optional, secret	Free key from https://developer.nlr.gov/signup/ — required for production modeling and irradiance tools
`OPENEI_API_KEY` Optional, secret	Free key for URDB utility tariff lookups (economics tools)
`EIA_API_KEY` Optional, secret	Free key for EIA electricity price data (economics tools)
`AHJ_REGISTRY_TOKEN` Optional, secret	Optional SunSpec AHJ Registry token for permitting-authority lookups

Details

Package	`[email protected]` (PYPI, stdio)
First published	6 Jul 2026
Last updated	6 Jul 2026
Registry name	`io.github.hoodsy/solar-data-mcp`

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Local install

Installed and run on your own machine, so there is no public endpoint to check.

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