Math & Numbers
Activity-on-node CPM: ES/EF/LS/LF, total float, project duration, and every critical path; cycles and unknown predecessors are rejected.
Call this tool from your code in three languages.
curl -X POST 'http://127.0.0.1:3003/en/api/tools/critical-path-method' \
-H 'Content-Type: application/json' \
-d '{"activities":"A, 4, -\nB, 3, A\nC, 2, A\nD, 5, B\nE, 4, C\nF, 2, D E","decimalPlaces":2}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST http://127.0.0.1:3003/en/api/tools/critical-path-method| Name | Type | Required | Description |
|---|---|---|---|
| activities | textarea | Yes | One activity per line: unique name (1–8 letters/digits), non-negative duration, then predecessor names separated by spaces ('-' if none). |
| decimalPlaces | number | No | — |
Text result
{
"result": "Processed text content",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-critical-path-method": {
"name": "critical-path-method",
"description": "Activity-on-node CPM: ES/EF/LS/LF, total float, project duration, and every critical path; cycles and unknown predecessors are rejected.",
"baseUrl": "http://127.0.0.1:3003/mcp/sse?toolId=critical-path-method",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "critical-path-method",
"arguments": {
"activities": "A, 4, -\nB, 3, A\nC, 2, A\nD, 5, B\nE, 4, C\nF, 2, D E",
"decimalPlaces": 2
}
}
}Questions or issues? Contact [email protected]