CSE MCP Intelligence

Institutional-grade MCP server for the Colombo Stock Exchange. Features real-time market data, order flow pressure analysis, and AI-powered forensic fundamental screening.

🚀 Quick Start

# Clone repository
git clone https://github.com/hareeshkar/cse-mcp-intelligence.git
cd cse-mcp-intelligence

# Install dependencies
npm install

# Build
npm run build

# Run with Claude
npm start

Related MCP server: Sablier MCP Server

📋 What is MCP?

Model Context Protocol (MCP) enables Claude and other AI models to access external data sources and APIs in real-time. Instead of relying on static training data, Claude can now fetch live market information from the CSE API.

✨ Features

• Real-time Market Data - Current stock prices, market status, and daily summaries

• Sector Analysis - Track performance across all market sectors with detailed metrics

• Stock Intelligence - Company profiles, financial reports, and compliance information

• Order Flow Analysis - Market depth, trading pressure indicators, and volume analysis

• Historical Data - Candlestick charts and detailed trade history for technical analysis

• Smart Caching - 30-second cache to optimize API usage and reduce latency

🔧 Installation

Prerequisites

• Node.js 18+ (download)

• npm 9+ (comes with Node.js)

• Claude Desktop (for integration)

Setup Steps

1. Clone the repository:

   git clone https://github.com/hareeshkar/cse-mcp-intelligence.git
   cd cse-mcp-intelligence

2. Install dependencies:

   npm install

3. Build the TypeScript source:

   npm run build

⚙️ Claude Desktop Configuration

⚙️ Claude Desktop Configuration

macOS/Linux

Edit ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "cse": {
      "command": "node",
      "args": ["/full/path/to/cse-mcp-intelligence/build/index.js"]
    }
  }
}

Windows

Edit %APPDATA%\Claude\claude_desktop_config.json:

{
  "mcpServers": {
    "cse": {
      "command": "node",
      "args": ["C:\\full\\path\\to\\cse-mcp-intelligence\\build\\index.js"]
    }
  }
}

⚠️ Important: Replace the path with your actual project location.

Restart Claude Desktop

After updating the config, completely close and reopen Claude Desktop for the changes to take effect.

🛠 Available Tools

Market Overview

scan_market

Get all stocks trading on the Colombo Stock Exchange with filtering capabilities.

Parameters:

• maxPrice (number, optional) - Filter for penny stocks below this price in LKR

• minVolume (number, optional) - Only show stocks with volume above threshold (filters illiquid stocks)

Returns: Array of stocks with symbol, name, current price, change %, and volume

Use Cases:

• Penny stock hunting: scan_market { maxPrice: 50 }

• Active stocks only: scan_market { minVolume: 100000 }

get_sectors

Performance data for all CSE market sectors.

Returns: Sector names with change %, turnover, market capitalization

Use Cases:

• Sector rotation analysis

• Finding the strongest/weakest sectors

• Portfolio diversification checks

get_market_status

Real-time market status - check if trading is active.

Returns: Open/Closed status, current timestamp, trading hours

get_market_summary

Comprehensive daily market overview with macro indicators.

Returns: P/E ratio, P/B ratio, foreign investor flow, total turnover, market mood

Stock Performance

get_top_gainers

Stocks with highest percentage gains today.

Parameters:

• limit (number, optional, default: 10) - How many top performers to show

Returns: Top performers with price action and volume data

get_top_losers

Stocks with highest percentage losses today.

Parameters:

• limit (number, optional, default: 10) - How many bottom performers to show

Returns: Oversold stocks useful for contrarian or risk assessment

Stock Analysis

get_stock_detail

Complete detailed information about a specific stock.

Parameters:

• symbol (required) - Stock symbol (e.g., "SLTL", "ASPI", "LAUGF")

Returns: Company profile, current price, P/E ratio, dividends, 52-week high/low, trading stats

Use Cases:

• Fundamental analysis

• Company profile research

• Valuation metrics

get_stock_trades

Recent trade history for order flow analysis.

Parameters:

• symbol (required) - Stock symbol

• limit (optional, default: 20) - Number of recent trades

Returns: Timestamps, executed prices, volumes, trade direction (buy/sell)

Use Cases:

• Order flow forensics

• Volume profile analysis

• Institutional buying/selling detection

get_order_book

Live market depth with order flow pressure analysis.

Parameters:

• symbol (required) - Stock symbol

Returns:

• Bid/ask levels with volumes

• Pressure index (-1 = extreme bearish, +1 = extreme bullish)

• Bid-ask spread percentage

• Market depth profile

Use Cases:

• Pre-trade liquidity analysis

• Support/resistance levels

• Institutional accumulation/distribution detection

Technical Analysis

get_candlesticks

OHLC (Open, High, Low, Close) data for technical analysis.

Parameters:

• symbol (required) - Stock symbol

• period (optional, default: "1d") - Time period ("1d", "1w", "1m")

Returns: Candlestick data with open, high, low, close prices and volume

Use Cases:

• Technical pattern recognition

• Trend analysis

• Support/resistance identification

• Volume profile

💡 Real-World Usage Examples

Penny Stock Screening

Query: "Find all penny stocks under Rs. 50 with high trading volume"
Tool: scan_market { maxPrice: 50, minVolume: 500000 }
→ Get list of actively traded penny stocks for swing trading

Sector Rotation Strategy

Query: "Which sectors are outperforming today? Show me the leaders."
Tool: get_sectors
→ Identify hot sectors and potential rotation candidates

Pre-Trade Liquidity Check

Query: "Can I buy 10,000 shares of SLTL without moving the price too much?"
Tool: get_order_book { symbol: "SLTL" }
→ Check bid-ask spread, depth, and available liquidity

Order Flow Forensics

Query: "Show me the last 50 trades on ASPI - is it institutional buying or selling?"
Tool: get_stock_trades { symbol: "ASPI", limit: 50 }
→ Analyze trade timing and sizes to identify smart money activity

Technical Setup Confirmation

Query: "Show SLTL candlesticks and confirm the resistance breakout"
Tool: get_candlesticks { symbol: "SLTL", period: "1d" }
→ Get OHLC data for pattern recognition and trend analysis

Market Stress Test

Query: "What percentage of stocks are down today? Any panic selling?"
Tool: get_top_losers { limit: 20 }
→ Identify oversold conditions and panic-driven opportunities

🏗️ Technical Architecture

Core Components

1. CSE API Client (src/cse-client.ts)

• Purpose: Direct wrapper around the Colombo Stock Exchange REST API

• Features:

  • Smart caching (30-second TTL) to reduce API load and improve responsiveness

  • Symbol mapping (Display Name ↔ API Symbol translation)

  • CDN URL fixing for company reports and documents

  • Error resilience with graceful fallbacks

  • Automatic retry logic with exponential backoff

• Key Methods:

  • getAllStocks() - Market scan

  • getStockDetail(symbol) - Detailed fundamental data

  • getOrderBook(symbol) - Real-time market depth

  • getTradeHistory(symbol, limit) - Order flow analysis

  • getCandlesticks(symbol, period) - Technical data

2. Tool Definitions & Handlers (src/tools.ts)

• Purpose: Define all MCP tools available to Claude with proper schemas

• Includes:

  • Tool name, description, parameter schema

  • Input validation using JSON Schema

  • Type definitions for type safety

• 8+ Tools:

  • scan_market - Market scanning with filters

  • get_sectors - Sector performance

  • get_market_status - Trading status

  • get_market_summary - Macro indicators

  • get_top_gainers / get_top_losers - Performance leaders/laggards

  • get_stock_detail - Fundamental analysis

  • get_stock_trades - Trade history/order flow

  • get_order_book - Market depth

  • get_candlesticks - Technical analysis

3. MCP Server (src/index.ts)

• Purpose: Entry point that bridges CSE API and Claude

• Responsibilities:

  • Listens to Claude's tool requests via stdio

  • Routes requests to appropriate CSE client methods

  • Handles request/response serialization

  • Error handling and user-friendly error messages

  • Request parameter validation

Data Flow

Claude Desktop
    ↓
[MCP Server] ← Claude makes tool request (JSON-RPC)
    ↓
[Tool Router] ← Validates parameters
    ↓
[CSE Client] ← Fetches data from API
    ↓
Colombo Stock Exchange API
    ↓
[Cache Layer] ← 30-second cache for same requests
    ↓
[Response Formatter] ← Cleans and structures data
    ↓
Claude ← Gets structured market data for analysis

Caching Strategy

The system implements smart caching to optimize performance:

• TTL: 30 seconds (market data doesn't change faster)

• Cache Key: Tool name + parameters hash

• Benefits:

  • Reduces API calls during multi-tool analysis

  • Faster Claude response times

  • Respects CSE rate limits

  • Can handle 1,000+ requests/minute internally

Error Handling & Fallbacks

• API Timeouts → Cached data (if available) or graceful error

• Invalid Symbol → Fuzzy matching suggestions

• Market Closed → Return last known data with status

• Network Errors → Retry up to 3 times with exponential backoff

• Rate Limiting → Queue and delay requests intelligently

CSE API Integration Points

The server connects to these CSE API endpoints:

• /v1/stocks - All stocks with live prices

• /v1/stocks/{id} - Stock detail & fundamentals

• /v1/stocks/{id}/orderbook - Market depth

• /v1/stocks/{id}/trades - Trade history

• /v1/sectors - Sector performance

• /v1/market - Overall market status

📝 Scripts

npm run build    # Compile TypeScript to JavaScript
npm start        # Run the MCP server
npm run dev      # Run in development mode with hot reload

🐛 Troubleshooting

Claude doesn't recognize the server

• Verify the path in claude_desktop_config.json is correct and absolute

• Make sure you've run npm run build

• Restart Claude Desktop completely (not just minimize)

API Connection Issues

• Check that you have internet connectivity

• Verify the CSE API is accessible: curl https://api.cse.lk/api/v1/market

• Check rate limiting if getting 429 errors

Build Errors

• Delete build/ and node_modules/ folders

• Run npm install and npm run build again

• Ensure Node.js 18+ is installed

📖 Documentation

• API Reference - Detailed tool specifications

• Implementation Guide - Technical architecture

• Changelog - Version history

• Graceful Fallbacks - Error handling strategies

🤝 Contributing

This project is open to contributions! Areas for enhancement:

• Additional technical indicators

• Portfolio tracking features

• Alert systems

• WebSocket support for real-time updates

📄 License

MIT License - See LICENSE file for details

👤 Author

Hareesh Karravi - @hareeshkar

🔗 Links

• Colombo Stock Exchange

• Model Context Protocol

• Claude AI

Questions? Open an issue on GitHub or check the documentation files.

4. get_market_summary - Daily market overview

   • Returns: P/E ratio, P/B ratio, foreign flow, total turnover

Stock-Specific Data

5. get_stock_snapshot - Real-time price data

   • Input: Stock symbol

   • Returns: Open, high, low, last price, volume, change %

6. get_top_gainers - Top performing stocks

   • Optional: Limit (default 10)

   • Returns: Symbol, price, % change

7. get_order_book - Market depth for a stock

   • Input: Stock symbol

   • Returns: Bids/asks, volumes, market pressure

8. get_chart_data - Historical OHLCV data

   • Input: Symbol, period (1=Intraday, 2=Weekly, 3=Monthly, 5=Daily)

   • Returns: Open, high, low, close, volume with dates

Deep Research

9. get_detailed_trades - Tick-by-tick trade data

   • Optional: Filter by symbol

   • Returns: Price, volume, time, buyer/seller

10. get_company_profile - Company information

    • Input: Stock symbol

    • Returns: Directors, secretaries, registrars, company details

11. get_financial_reports - Company reports

    • Input: Stock symbol

    • Returns: Links to quarterly and annual reports (PDFs)

12. get_noncompliance_list - At-risk companies

    • Returns: Companies on watch list or under enforcement action

    • ⚠️ Use for due diligence - avoid investing in these companies

Usage Examples

In Claude Desktop

Ask questions naturally:

"What are the top 5 gainers on CSE today?"

"Show me the current price and order book for JKH.N0000"

"Which stocks are trading under 10 LKR?"

"Get the financial reports for DIALOG.N0000"

"What's the market P/E ratio and which sectors are performing best?"

"List all companies currently on the non-compliance watch list"

Development

Local Testing

Run the development server:

npm run dev

Build for Production

npm run build
npm start

Project Structure

cse-mcp-server/
├── src/
│   ├── index.ts          # MCP server entry point
│   ├── cse-client.ts     # CSE API wrapper (12 atomic tools)
│   └── tools.ts          # Tool definitions for Claude
├── build/                # Compiled JavaScript (auto-generated)
├── package.json          # Dependencies and scripts
├── tsconfig.json         # TypeScript configuration
├── .env.example          # Environment template
└── README.md             # This file

API Details

Base URL

https://www.cse.lk/api

Features

• Error Handling: Graceful fallback when API unavailable

• Caching: 30-second TTL reduces API calls

• Symbol Resolution: Auto-builds symbol-to-ID mapping

• Data Sanitization: Removes commas from prices, handles null values

Rate Limiting

The CSE API does not publicly advertise rate limits, but best practice suggests:

• Keep API calls under 10 requests per second

• Use caching to minimize redundant requests

Troubleshooting

Server won't start

# Check Node.js version
node --version  # Should be v18+

# Check if port 3000 is available
# Or rebuild everything
rm -rf build/ node_modules/
npm install
npm run build

Claude can't find the tools

1. Check the file path in claude_desktop_config.json is correct

2. Ensure the build directory exists: npm run build

3. Restart Claude Desktop completely

4. Check Claude's error console for details

API returns empty data

• CSE market may be closed (closed outside market hours)

• Symbol may be incorrect (check exact symbol format)

• Try scan_market to get list of valid symbols

Performance issues

• Data is cached for 30 seconds - avoid rapid repeated calls

• The CSE API may have rate limits we're not aware of

• Try spreading requests over time

Disclaimer

This tool provides educational access to public CSE data. Always conduct your own due diligence before making investment decisions. The authors are not responsible for any financial losses.

License

MIT

Author

Created for CSE market research and analysis

Support

For issues, feature requests, or improvements:

1. Check that you're running the latest version

2. Review the troubleshooting section

3. Ensure Node.js and npm are up to date

Roadmap (Future Phases)

• Phase 2: Historical data analysis, sector comparison

• Phase 3: Portfolio tracking, alerts on price changes

• Phase 4: Technical indicators, moving averages

• Phase 5: Machine learning predictions