Solar Data MCP Server

Name: Solar Data MCP Server
Author: io.github.hoodsy

io.github.hoodsy/solar-data-mcp

Repository Registry

What is the Solar Data MCP server?

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

How to install Solar Data

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

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

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "solar-data-mcp": {
      "command": "uvx",
      "args": [
        "solar-data-mcp"
      ],
      "env": {
        "NREL_API_KEY": "<YOUR_NREL_API_KEY>",
        "OPENEI_API_KEY": "<YOUR_OPENEI_API_KEY>",
        "EIA_API_KEY": "<YOUR_EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<YOUR_AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "solar-data-mcp": {
      "command": "uvx",
      "args": [
        "solar-data-mcp"
      ],
      "env": {
        "NREL_API_KEY": "<YOUR_NREL_API_KEY>",
        "OPENEI_API_KEY": "<YOUR_OPENEI_API_KEY>",
        "EIA_API_KEY": "<YOUR_EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<YOUR_AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "solar-data-mcp": {
      "command": "uvx",
      "args": [
        "solar-data-mcp"
      ],
      "env": {
        "NREL_API_KEY": "<YOUR_NREL_API_KEY>",
        "OPENEI_API_KEY": "<YOUR_OPENEI_API_KEY>",
        "EIA_API_KEY": "<YOUR_EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<YOUR_AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

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

Claude Code

claude mcp add solar-data-mcp --env NREL_API_KEY=<YOUR_NREL_API_KEY> --env OPENEI_API_KEY=<YOUR_OPENEI_API_KEY> --env EIA_API_KEY=<YOUR_EIA_API_KEY> --env AHJ_REGISTRY_TOKEN=<YOUR_AHJ_REGISTRY_TOKEN> -- uvx solar-data-mcp