Date & Time
Time Adder/Subtractor
Add or subtract time from a date
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Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/time-adder-subtractor' \
-H 'Content-Type: application/json' \
-d '{"startDate":"2026-11-07","operation":"add","years":"0","months":"0","weeks":"0","days":"0","hours":"0","minutes":"0","seconds":"0"}'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/time-adder-subtractorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| startDate | text | Yes | — |
| operation | select | Yes | — |
| years | text | No | — |
| months | text | No | — |
| weeks | text | No | — |
| days |
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-time-adder-subtractor": {
"name": "time-adder-subtractor",
"description": "Add or subtract time from a date",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=time-adder-subtractor",
"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": "time-adder-subtractor",
"arguments": {
"startDate": "2026-11-07",
"operation": "add",
"years": "0",
"months": "0",
"weeks": "0",
"days": "0",
"hours": "0",
"minutes": "0",
"seconds": "0"
}
}
}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]