jawt-mcp-client/index.js

MCP client bridge for JAWT voice notes - connects Claude Desktop to JAWT cloud server

#!/usr/bin/env node
const https = require('https');
const API_KEY = process.argv[2];

let buffer = '';

process.stdin.on('data', data => {
  buffer += data.toString();
  
  // Process complete JSON messages
  let lines = buffer.split('\n');
  buffer = lines.pop() || ''; // Keep incomplete line in buffer
  
  for (const line of lines) {
    if (!line.trim()) continue;
    
    try {
      const request = JSON.parse(line);
      handleRequest(request);
    } catch (e) {
      console.error('Parse error:', e.message);
    }
  }
});

function handleRequest(request) {
  // Handle initialization
  if (request.method === 'initialize') {
    console.log(JSON.stringify({
      jsonrpc: "2.0", 
      id: request.id, 
      result: {
        protocolVersion: "2024-11-05",
        capabilities: {
          tools: {},
          prompts: {},
          resources: {}
        },
        serverInfo: {name: "JAWT Voice Notes", version: "1.0.0"}
      }
    }));
    return;
  }

  // Handle notifications (no response needed)
  if (request.method === 'notifications/initialized') {
    return;
  }

  // Forward other requests to the cloud endpoint
  const postData = JSON.stringify(request);
  const req = https.request('https://www.jawt.ai/api/mcp-http', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': API_KEY
    }
  }, res => {
    let responseData = '';
    res.on('data', chunk => responseData += chunk);
    res.on('end', () => {
      try {
        const response = JSON.parse(responseData);
        console.log(JSON.stringify(response));
      } catch (e) {
        console.log(JSON.stringify({
          jsonrpc: "2.0",
          id: request.id,
          error: {code: -32603, message: "Invalid response from server"}
        }));
      }
    });
  });
  
  req.on('error', (e) => {
    console.log(JSON.stringify({
      jsonrpc: "2.0",
      id: request.id,
      error: {code: -32603, message: `Connection failed: ${e.message}`}
    }));
  });
  
  req.write(postData);
  req.end();
}