tilwhen date engine for VS Code

com.tilwhen/tilwhen

Deterministic date arithmetic with auditable receipts: business days, due dates, holidays.

client:VS Code transport:streamable-http tools:9

Install tilwhen date engine in VS Code

.vscode/mcp.json

{
  "servers": {
    "tilwhen": {
      "type": "http",
      "url": "https://mcp.tilwhen.com/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs