Sectors MCP Server

A Model Context Protocol (MCP) server that provides financial market data and analysis tools, with a focus on stock market sectors, indices, and company data. This server is deployed as a Cloudflare Worker and uses Server-Sent Events (SSE) transport for real-time communication.

🚀 Quick Start - Use Cloud-Hosted Server

No installation required! Connect directly to our cloud-hosted MCP server.

Option 1: Native SSE Transport

For MCP clients that support SSE transport natively:

{
  mcpServers: {
    sectors: {
      transport: {
        type: 'sse',
        url: 'https://sectors-mcp.aidityasadhakim250.workers.dev/sse',
        headers: {
          Authorization: `Bearer ${process.env.SECTORS_API_KEY}`,
        },
      },
    },
  },
}

Option 2: stdio via mcp-remote

For Claude Desktop, Claude Code, or other stdio-based clients, use mcp-remote as a bridge:

{
  "mcpServers": {
    "sectors": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://sectors-mcp.aidityasadhakim250.workers.dev/sse",
        "--header",
        "Authorization:${AUTH_TOKEN}"
      ],
      "env": {
        "AUTH_TOKEN": "Bearer YOUR_API_KEY_HERE"
      }
    }
  }
}

Get your Sectors API key and start using all available tools immediately!

Features

• Market Indices Data: Access to various stock market indices and their historical data
• Company Information: Detailed company reports, financials, and performance metrics
• Sector & Industry Analysis: Tools for analyzing companies by sector, subsector, and industry
• SGX (Singapore Exchange) Data: Specialized tools for Singapore Exchange listed companies
• IDX (Indonesia Exchange) Data: Comprehensive tools for Indonesian stocks and indices
• Market Analysis: Tools for identifying top movers, most traded stocks, and growth companies
• Financial Reporting: Access to quarterly financials, historical data, and reporting dates
• Advanced Metrics: Earnings yield, historical volatility, and more

Self-Hosting Options

Option 1: Deploy to Cloudflare Workers (Recommended)

1. Clone this repository
2. Install dependencies:

npm install

1. Configure environment variables in Cloudflare dashboard or .dev.vars:

SECTORS_API_KEY=your_api_key
SUPABASE_URL=your_supabase_url
SUPABASE_ANON_KEY=your_supabase_key

1. Deploy to Cloudflare:

npm run deploy

Option 2: Run Locally for Development

1. Clone this repository
2. Install dependencies:

npm install

1. Create a .dev.vars file with environment variables:

SECTORS_API_KEY=your_api_key
SUPABASE_URL=your_supabase_url
SUPABASE_ANON_KEY=your_supabase_key

1. Start the development server:

npm run dev

Available Tools

Market Indices & Data

• fetch-index: Fetch data for a specific market index
• fetch-index-daily: Get daily transaction data for an index
• fetch-idx-market-cap: Retrieve historical market capitalization data for IDX
• fetch-daily-transaction: Get daily transaction data for Indonesian stocks
• fetch-singapore-daily-transaction: Get daily transaction data for SGX stocks

Company Reports & Information

Indonesia (IDX):

• fetch-company-report: Get comprehensive company reports with overview, financials, valuation
• fetch-companies-report: Batch fetch multiple company reports
• fetch-company-segments: Access company revenue breakdown by segments
• fetch-listing-performance: View listing performance metrics (7d, 30d, 90d, 365d changes)
• fetch-ipo-companies: Get information about IPO companies

Singapore (SGX):

• fetch-sgx-company-report: Specialized comprehensive reports for SGX-listed companies
• fetch-singapore-companies-report: Batch fetch SGX company reports

Financial Data

Indonesia (IDX):

• fetch-quarterly-financials: Access quarterly financial statements
• fetch-quarterly-financial-dates: Get reporting dates for financials
• fetch-historical-financial: Get historical financial data
• fetch-company-financial: Fetch detailed company financials
• fetch-company-dividend: Get dividend information and history

Singapore (SGX):

• fetch-singapore-company-historical-financial: Get historical financials for SGX companies
• fetch-singapore-company-dividend: Get SGX company dividend data

Sector & Industry Analysis

Indonesia (IDX):

• get-subsectors: List all available subsectors
• fetch-subindustries: Get subindustry data
• fetch-industries: Access industry information
• fetch-companies-by-subsector: Find companies by subsector
• fetch-companies-by-subindustry: Find companies by subindustry
• fetch-companies-by-index: Get companies listed in a specific index
• fetch-subsector-report: Get comprehensive subsector analysis
• fetch-companies-nipe: Get NIPE (Net Income to Price to Equity) data

Singapore (SGX):

• fetch-sgx-sectors: List all available SGX sectors
• fetch-sgx-companies-by-sector: Find SGX-listed companies by sector
• fetch-sgx-top-companies: Get top performing SGX companies

Market Analysis & Rankings

Indonesia (IDX):

• fetch-top-companies: Get top companies by various metrics
• fetch-top-companies-by-metrics: Advanced filtering with custom metrics
• fetch-top-company-movers: Identify top gaining and losing stocks
• fetch-top-growth-companies: Find companies with highest growth metrics
• fetch-most-traded-stocks: Get most actively traded stocks

Singapore (SGX):

• fetch-singapore-top-companies-by-metrics: Top SGX companies by custom metrics
• fetch-singapore-earnings-yield: Calculate and rank by earnings yield
• fetch-singapore-historical-volatility: Analyze historical price volatility

Architecture & Implementation

Technology Stack

• Runtime: Cloudflare Workers with Durable Objects
• MCP SDK: @modelcontextprotocol/sdk v1.13.1
• Agent Framework: agents package for MCP agent management
• Data Storage: Supabase for persistent data
• API Client: Sectors API for financial data
• Transport: Server-Sent Events (SSE) for real-time communication
• Validation: Zod for schema validation
• Language: TypeScript

Project Structure

src/
├── index.ts                 # Main worker entry point with SSE routing
├── config.ts               # Configuration and environment variables
├── lib/
│   └── supabaseClient.ts  # Supabase client initialization
├── tools/                 # MCP tool implementations
│   ├── registerTools.ts   # Central tool registration
│   ├── companies.ts       # Company data tools
│   ├── companyReport.ts   # Company reports
│   ├── indexData.ts       # Index data tools
│   ├── topMovers.ts       # Market movers analysis
│   ├── sgx*.ts           # Singapore Exchange tools
│   ├── getSingapore*.ts  # Advanced SGX analytics
│   └── ...               # Other specialized tools
├── types/
│   └── api.ts            # TypeScript type definitions
└── utils/
    └── api.ts            # API utility functions

build/                     # Compiled JavaScript output
wrangler.jsonc            # Cloudflare Workers configuration

How It Works

1. Cloudflare Worker Entry Point (src/index.ts):

   • Handles incoming HTTP requests
   • Validates API key via Authorization: Bearer <token> header
   • Routes requests to appropriate endpoints:
     • /sse - SSE transport for MCP communication
     • /mcp - Alternative MCP endpoint
   • Uses Durable Objects for stateful MCP agent instances

2. MCP Agent (MyMCP class):

   • Extends McpAgent from the agents framework
   • Initializes MCP server with name and version
   • Registers all tools during initialization
   • Handles tool execution with proper authentication

3. Tool Registration (src/tools/registerTools.ts):

   • Centralized registration of 40+ financial data tools
   • Each tool is configured with:
     • Name and description
     • Zod schema for input validation
     • Handler function for API calls
     • Error handling and response formatting

4. API Communication (src/utils/api.ts):

   • Creates standardized API headers with authentication
   • Handles API responses and error cases
   • Formats data for MCP protocol responses

5. Authentication Flow:

   Client Request → Authorization Header Check → Token Extraction →
   → Store in Context → Pass to Tools → API Calls with Token
   

Environment Variables

The server requires these environment variables (configured in Cloudflare Workers dashboard or .dev.vars):

• SECTORS_API_KEY: Your Sectors API key for accessing financial data
• SUPABASE_URL: Supabase project URL (for persistent storage features)
• SUPABASE_ANON_KEY: Supabase anonymous key

SSE Transport

The server uses Server-Sent Events (SSE) transport which provides:

• Real-time streaming communication
• Better performance than traditional request/response
• Automatic reconnection handling
• Efficient for multiple tool calls

Example client configuration:

{
  transport: {
    type: 'sse',
    url: 'https://sectors-mcp.aidityasadhakim250.workers.dev/sse',
    headers: {
      Authorization: `Bearer ${process.env.SECTORS_API_KEY}`,
    },
  },
}

Usage Examples

With Claude Desktop or Claude Code

Add to your configuration file (~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows):

{
  "mcpServers": {
    "sectors": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://sectors-mcp.aidityasadhakim250.workers.dev/sse",
        "--header",
        "Authorization:${AUTH_TOKEN}"
      ],
      "env": {
        "AUTH_TOKEN": "Bearer YOUR_API_KEY_HERE"
      }
    }
  }
}

This uses mcp-remote to bridge the SSE connection into stdio.

With MCP Client (TypeScript/JavaScript)

import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { SSEClientTransport } from "@modelcontextprotocol/sdk/client/sse.js";

const client = new Client({
  name: "sectors-client",
  version: "1.0.0"
});

const transport = new SSEClientTransport(
  new URL("https://sectors-mcp.aidityasadhakim250.workers.dev/sse"),
  {
    headers: {
      Authorization: `Bearer ${process.env.SECTORS_API_KEY}`
    }
  }
);

await client.connect(transport);

// Use tools
const result = await client.callTool({
  name: "fetch-company-report",
  arguments: {
    ticker: "BBCA",
    sections: "overview,financials,valuation"
  }
});

Development

Local Development

1. Start the development server:

npm run dev

1. The server will be available at http://localhost:8787

2. Test SSE endpoint:

curl -H "Authorization: Bearer YOUR_API_KEY" \
  http://localhost:8787/sse

Adding New Tools

1. Create a new file in src/tools/ (e.g., myNewTool.ts):

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
import { createApiHeaders, handleApiResponse } from "../utils/api.js";

export function registerMyNewTool(
  server: McpServer,
  baseUrl: string,
  apiKey: string | undefined
) {
  server.tool(
    "my-new-tool",
    "Description of what this tool does",
    {
      param1: z.string().describe("Description of param1"),
      param2: z.number().optional().describe("Optional param2"),
    },
    async ({ param1, param2 }) => {
      try {
        const response = await fetch(
          `${baseUrl}/endpoint/${param1}`,
          {
            method: "GET",
            headers: createApiHeaders(apiKey),
          }
        );
        const data = await handleApiResponse(response);
        
        return {
          content: [
            {
              type: "text",
              text: JSON.stringify(data, null, 2),
            },
          ],
        };
      } catch (error: any) {
        return {
          content: [
            {
              type: "text",
              text: `Error: ${error.message}`,
            },
          ],
        };
      }
    }
  );
}

1. Register the tool in src/tools/registerTools.ts:

import { registerMyNewTool } from "./myNewTool.js";

export function registerAllTools(server: McpServer, apiKey: string, env?: any) {
  // ... existing registrations
  registerMyNewTool(server, SECTORS_API_BASE, apiKey);
}

1. Rebuild and test:

npm run dev

Deployment

Deploy to Cloudflare Workers:

npm run deploy

This will:

• Compile TypeScript to JavaScript
• Upload to Cloudflare Workers
• Configure Durable Objects
• Set up routes and observability

Type Checking

Run TypeScript type checking without building:

npm run type-check

Generate Cloudflare Types

Generate TypeScript types for Cloudflare Workers:

npm run cf-typegen

API Data Sources

This server integrates with multiple data sources:

1. Sectors API (https://sectors.app/api)

   • Primary source for Indonesian (IDX) market data
   • Singapore (SGX) market data
   • Real-time and historical financial data
   • Requires API key for authentication

2. Supabase

   • Caching layer for frequently accessed data
   • Custom analytics and computed metrics
   • Historical data storage

Dependencies

Core Dependencies

• @modelcontextprotocol/sdk (v1.13.1): MCP server implementation
• agents (v0.0.100): MCP agent framework with Durable Objects support
• zod (v3.25.67): Schema validation for tool inputs
• @supabase/supabase-js (v2.86.0): Supabase client for data storage

Development Dependencies

• typescript (v5.8.3): TypeScript compiler
• wrangler (v4.24.3): Cloudflare Workers CLI
• @types/node (v24.10.1): Node.js type definitions

Contributing

Contributions are welcome! Here's how you can help:

1. Report Issues: Found a bug or have a feature request? Open an issue on GitHub
2. Add Tools: Implement new financial data tools following the patterns in src/tools/
3. Improve Documentation: Help improve this README or add code comments
4. Test Coverage: Add tests for existing or new functionality

Contribution Guidelines

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Make your changes
4. Test locally with npm run dev
5. Commit your changes (git commit -m 'Add amazing feature')
6. Push to your branch (git push origin feature/amazing-feature)
7. Open a Pull Request

License

This project is part of the Sectors financial data platform.

Support

• Documentation: Sectors API Docs
• API Key: Get your API key at sectors.app
• Issues: Report issues on the GitHub repository

Related Resources

• Model Context Protocol
• Cloudflare Workers
• Sectors Financial Data Platform
• Supabase