mcp-coincap-jj

Verified
MIT License
111
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#!/usr/bin/env node

import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
  CallToolRequestSchema,
  ListToolsRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";

import { SERVER_CONFIG } from './config/index.js';
import {
  handleGetPrice,
  handleGetMarketAnalysis,
  handleGetHistoricalAnalysis
} from './tools/index.js';

// Create server instance
const server = new Server(
  SERVER_CONFIG,
  {
    capabilities: {
      tools: {},
    },
  }
);

// List available tools
server.setRequestHandler(ListToolsRequestSchema, async () => {
  return {
    tools: [
      {
        name: "get-crypto-price",
        description: "Get current price and 24h stats for a cryptocurrency",
        inputSchema: {
          type: "object",
          properties: {
            symbol: {
              type: "string",
              description: "Cryptocurrency symbol (e.g., BTC, ETH)",
            },
          },
          required: ["symbol"],
        },
      },
      {
        name: "get-market-analysis",
        description: "Get detailed market analysis including top exchanges and volume distribution",
        inputSchema: {
          type: "object",
          properties: {
            symbol: {
              type: "string",
              description: "Cryptocurrency symbol (e.g., BTC, ETH)",
            },
          },
          required: ["symbol"],
        },
      },
      {
        name: "get-historical-analysis",
        description: "Get historical price analysis with customizable timeframe",
        inputSchema: {
          type: "object",
          properties: {
            symbol: {
              type: "string",
              description: "Cryptocurrency symbol (e.g., BTC, ETH)",
            },
            interval: {
              type: "string",
              description: "Time interval (m5, m15, m30, h1, h2, h6, h12, d1)",
              default: "h1",
            },
            days: {
              type: "number",
              description: "Number of days to analyze (1-30)",
              default: 7,
            },
          },
          required: ["symbol"],
        },
      },
    ],
  };
});

// Handle execution
server.setRequestHandler(CallToolRequestSchema, async (request) => {
  const { name, arguments: args } = request.params;

  try {
    switch (name) {
      case "get-crypto-price":
        return await handleGetPrice(args);
      case "get-market-analysis":
        return await handleGetMarketAnalysis(args);
      case "get-historical-analysis":
        return await handleGetHistoricalAnalysis(args);
      default:
        throw new Error(`Unknown tool: ${name}`);
    }
  } catch (error) {
    if (error instanceof Error) {
      throw new Error(`Tool execution failed: ${error.message}`);
    }
    throw error;
  }
});

// Start the server
async function main() {
  const transport = new StdioServerTransport();
  await server.connect(transport);
  console.error("@bujaayjaay/mcp-coincap-jj server running on stdio");
}

main().catch((error) => {
  console.error("Fatal error in main():", error);
  process.exit(1);
});