Astronomy
Moon Phase Calculator
Calculate the current moon phase and illumination
text· Text resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/moon-phase-calculator' \
-H 'Content-Type: application/json' \
-d '{"date":"2026-11-07","showNextPhases":true}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
HTTP
POST https://api.elysiatools.com/en/api/tools/moon-phase-calculatorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| date | date | No | Select date (leave empty for today) |
| showNextPhases | checkbox | No | Show dates of upcoming moon phases |
Response format
Text result
JSON
{
"result": "Processed text content",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}MCP integration
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Server configuration
Add this block to your MCP client configuration:
mcp.json
{
"mcpServers": {
"elysiatools-moon-phase-calculator": {
"name": "moon-phase-calculator",
"description": "Calculate the current moon phase and illumination",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=moon-phase-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
tools/list
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
tools/call
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "moon-phase-calculator",
"arguments": {
"date": "2026-11-07",
"showNextPhases": true
}
}
}Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).
Questions or issues? Contact [email protected]