groww-mcp

Instructions

Implementation Reference

• src/tools/sip.ts:48-87 (handler)

  The tool `create_sip` is registered here using `server.tool` and its implementation (handler) is defined in the same block.

  // ── create_sip ────────────────────────────────────────────
  server.tool(
    "create_sip",
    "Create a new SIP with fund ISIN, amount, frequency, and start date",
    {
      isin: z.string().describe("Mutual fund ISIN code, e.g. INF846K01EW2"),
      amount: z.number().positive().describe("SIP amount in INR"),
      frequency: z.enum(["MONTHLY", "WEEKLY", "QUARTERLY"]).default("MONTHLY").describe("SIP frequency"),
      start_date: z.string().describe("SIP start date (YYYY-MM-DD)"),
    },
    async ({ isin, amount, frequency, start_date }) => {
      try {
        if (amount < 100) return mcpError("Minimum SIP amount is ₹100");
  
        const result = await growwClient.createSIP({
          isin,
          amount,
          frequency,
          startDate: start_date,
        });
  
        const text = [
          `✅ SIP CREATED`,
          `${"─".repeat(40)}`,
          `SIP ID:    ${result.sipId}`,
          `Fund:      ${isin}`,
          `Amount:    ${formatCurrencyExact(amount)} / ${frequency.toLowerCase()}`,
          `Starts:    ${start_date}`,
          `Status:    ${result.status}`,
          ``,
          `${result.message}`,
          ``,
          `⚠️ This is ${process.env.MOCK_MODE === "true" ? "a MOCK SIP (no real investment)" : "a REAL SIP — money will be debited on schedule"}`,
        ].join("\n");
        return mcpText(text);
      } catch (err) {
        return mcpError(normalizeError(err));
      }
    }
  );