groww-mcp

Instructions

Implementation Reference

• src/tools/market.ts:102-134 (handler)

  The handler for the 'get_top_movers' MCP tool, which fetches market movers via the growwClient and formats them into a text report.

  // ── get_top_movers ────────────────────────────────────────
  server.tool(
    "get_top_movers",
    "Top 5 gainers and losers for the day",
    {},
    async () => {
      try {
        const { gainers, losers } = await growwClient.getTopMovers();
  
        const gLines = gainers.map((g, i) =>
          `  ${i + 1}. ${g.symbol.padEnd(12)} ${formatCurrencyExact(g.ltp).padStart(12)}  ${formatPercent(g.changePercent)}`
        );
        const lLines = losers.map((l, i) =>
          `  ${i + 1}. ${l.symbol.padEnd(12)} ${formatCurrencyExact(l.ltp).padStart(12)}  ${formatPercent(l.changePercent)}`
        );
  
        const text = [
          `🏆 TOP MOVERS — ${new Date().toLocaleDateString("en-IN", { timeZone: "Asia/Kolkata" })}`,
          `${"─".repeat(50)}`,
          `📈 GAINERS`,
          ...gLines,
          ``,
          `📉 LOSERS`,
          ...lLines,
          ``,
          `As of ${nowIST()}`,
        ].join("\n");
        return mcpText(text);
      } catch (err) {
        return mcpError(normalizeError(err));
      }
    }
  );