The Claude desktop app is closing connections after receiving timeouts on request IDs 1, 2, and 3, and then sending notifications/cancelled to close the connection. #3
Description
Used the TypeScript version.
Here are the complete logs from Claude Desktop.
2025-09-09T04:44:13.547Z [weather] [info] Initializing server... { metadata: undefined }
2025-09-09T04:44:13.552Z [weather] [info] Initializing server... { metadata: undefined }
2025-09-09T04:44:13.563Z [weather] [info] Using MCP server command: /opt/homebrew/bin/npx with args and path: {
metadata: {
args: [
'mcp-remote',
'http://localhost:8123/mcp',
'--allow-http',
[length]: 3
],
paths: [
'/usr/local/bin',
'/opt/homebrew/bin',
'/usr/bin',
'/usr/bin',
'/bin',
'/usr/sbin',
'/sbin',
[length]: 7
]
}
} %o
2025-09-09T04:44:13.564Z [weather] [info] Server started and connected successfully { metadata: undefined }
2025-09-09T04:44:13.567Z [weather] [info] Using MCP server command: /opt/homebrew/bin/npx with args and path: {
metadata: {
args: [
'mcp-remote',
'http://localhost:8123/mcp',
'--allow-http',
[length]: 3
],
paths: [
'/usr/local/bin',
'/opt/homebrew/bin',
'/usr/bin',
'/usr/bin',
'/bin',
'/usr/sbin',
'/sbin',
[length]: 7
]
}
} %o
2025-09-09T04:44:13.567Z [weather] [info] Server started and connected successfully { metadata: undefined }
2025-09-09T04:44:13.584Z [weather] [info] Message from client: {"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"claude-ai","version":"0.1.0"}},"jsonrpc":"2.0","id":0} { metadata: undefined }
2025-09-09T04:44:13.589Z [weather] [info] Message from client: {"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"claude-ai","version":"0.1.0"}},"jsonrpc":"2.0","id":0} { metadata: undefined }
[11778] Using automatically selected callback port: 15925
[11770] Using automatically selected callback port: 63028
[11778] [11778] Connecting to remote server: http://localhost:8123/mcp
[11778] Using transport strategy: http-first
[11770] [11770] Connecting to remote server: http://localhost:8123/mcp
[11770] Using transport strategy: http-first
[11778] Connected to remote server using StreamableHTTPClientTransport
[11778] Local STDIO server running
[11778] Proxy established successfully between local STDIO and remote StreamableHTTPClientTransport
[11778] Press Ctrl+C to exit
[11778] [Local→Remote] initialize
[11778] {
"jsonrpc": "2.0",
"id": 0,
"method": "initialize",
"params": {
"protocolVersion": "2025-06-18",
"capabilities": {},
"clientInfo": {
"name": "claude-ai (via mcp-remote 0.1.29)",
"version": "0.1.0"
}
}
}
[11770] Connected to remote server using StreamableHTTPClientTransport
[11770] Local STDIO server running
[11770] Proxy established successfully between local STDIO and remote StreamableHTTPClientTransport
[11770] Press Ctrl+C to exit
[11770] [Local→Remote] initialize
[11770] {
"jsonrpc": "2.0",
"id": 0,
"method": "initialize",
"params": {
"protocolVersion": "2025-06-18",
"capabilities": {},
"clientInfo": {
"name": "claude-ai (via mcp-remote 0.1.29)",
"version": "0.1.0"
}
}
}
[11778] [Remote→Local] 0
2025-09-09T04:44:15.967Z [weather] [info] Message from server: {"jsonrpc":"2.0","id":0,"result":{"protocolVersion":"2025-03-26","capabilities":{"tools":{},"logging":{}},"serverInfo":{"name":"mcp-server","version":"1.0.0"}}} { metadata: undefined }
2025-09-09T04:44:15.968Z [weather] [info] Message from client: {"method":"notifications/initialized","jsonrpc":"2.0"} { metadata: undefined }
2025-09-09T04:44:15.968Z [weather] [info] Message from client: {"method":"tools/list","params":{},"jsonrpc":"2.0","id":1} { metadata: undefined }
2025-09-09T04:44:15.969Z [weather] [info] Message from client: {"method":"prompts/list","params":{},"jsonrpc":"2.0","id":2} { metadata: undefined }
2025-09-09T04:44:15.969Z [weather] [info] Message from client: {"method":"resources/list","params":{},"jsonrpc":"2.0","id":3} { metadata: undefined }
[11778] [Local→Remote] notifications/initialized
[11778] [Local→Remote] tools/list
[11778] [Local→Remote] prompts/list
[11778] [Local→Remote] resources/list
[11770] [Remote→Local] 0
2025-09-09T04:44:16.095Z [weather] [info] Message from server: {"jsonrpc":"2.0","id":0,"result":{"protocolVersion":"2025-03-26","capabilities":{"tools":{},"logging":{}},"serverInfo":{"name":"mcp-server","version":"1.0.0"}}} { metadata: undefined }
2025-09-09T04:44:16.096Z [weather] [info] Message from client: {"method":"notifications/initialized","jsonrpc":"2.0"} { metadata: undefined }
2025-09-09T04:44:16.096Z [weather] [info] Message from client: {"method":"tools/list","params":{},"jsonrpc":"2.0","id":1} { metadata: undefined }
2025-09-09T04:44:16.097Z [weather] [info] Message from client: {"method":"prompts/list","params":{},"jsonrpc":"2.0","id":2} { metadata: undefined }
[11770] [Local→Remote] notifications/initialized
2025-09-09T04:44:16.097Z [weather] [info] Message from client: {"method":"resources/list","params":{},"jsonrpc":"2.0","id":3} { metadata: undefined }
[11770] [Local→Remote] tools/list
[11770] [Local→Remote] prompts/list
[11770] [Local→Remote] resources/list
[11770] [Remote→Local] 3
2025-09-09T04:44:16.443Z [weather] [info] Message from server: {"jsonrpc":"2.0","id":3,"error":{"code":-32601,"message":"Method not found"}} { metadata: undefined }
[11778] [Remote→Local] notifications/message
2025-09-09T04:44:16.631Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"SSE Connection established"}} { metadata: undefined }
[11770] [Remote→Local] 2
2025-09-09T04:44:16.723Z [weather] [info] Message from server: {"jsonrpc":"2.0","id":2,"error":{"code":-32601,"message":"Method not found"}} { metadata: undefined }
[11770] [Remote→Local] 1
2025-09-09T04:44:16.795Z [weather] [info] Message from server: {"jsonrpc":"2.0","id":1,"result":{"tools":[{"name":"get-alerts","description":"Get weather alerts for a state","inputSchema":{"type":"object","properties":{"state":{"type":"string","description":"Two-letter state code (e.g. CA, NY)"}},"required":["state"]}},{"name":"get-forecast","description":"Get weather forecast for a location","inputSchema":{"type":"object","properties":{"latitude":{"type":"number","description":"Latitude of the location"},"longitude":{"type":"number","description":"Longitude of the location"}},"required":["latitude","longitude"]}}]}} { metadata: undefined }
[11770] [Remote→Local] notifications/message
2025-09-09T04:44:17.027Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"SSE Connection established"}} { metadata: undefined }
[11778] [Remote→Local] notifications/message
2025-09-09T04:44:17.627Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"Message 1 at 2025-09-09T04:44:17.453Z"}} { metadata: undefined }
[11770] [Remote→Local] notifications/message
2025-09-09T04:44:18.029Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"Message 1 at 2025-09-09T04:44:17.858Z"}} { metadata: undefined }
[11778] [Remote→Local] notifications/message
[11778] [Remote→Local] notifications/message
2025-09-09T04:44:18.642Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"Message 2 at 2025-09-09T04:44:18.453Z"}} { metadata: undefined }
2025-09-09T04:44:18.643Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"Streaming complete!"}} { metadata: undefined }
[11770] [Remote→Local] notifications/message
[11770] [Remote→Local] notifications/message
2025-09-09T04:44:19.039Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"Message 2 at 2025-09-09T04:44:18.858Z"}} { metadata: undefined }
2025-09-09T04:44:19.040Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/message","params":{"level":"info","data":"Streaming complete!"}} { metadata: undefined }
[11778] [Remote→Local] notifications/tools/list_changed
[11770] [Remote→Local] notifications/tools/list_changed
2025-09-09T04:44:20.261Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/tools/list_changed"} { metadata: undefined }
2025-09-09T04:44:20.262Z [weather] [info] Message from server: {"jsonrpc":"2.0","method":"notifications/tools/list_changed"} { metadata: undefined }
2025-09-09T04:44:20.971Z [weather] [info] Message from client: {"jsonrpc":"2.0","method":"notifications/cancelled","params":{"requestId":1,"reason":"McpError: MCP error -32001: Request timed out"}} { metadata: undefined }
[11778] [Local→Remote] notifications/cancelled
2025-09-09T04:44:20.989Z [weather] [info] Message from client: {"jsonrpc":"2.0","method":"notifications/cancelled","params":{"requestId":2,"reason":"McpError: MCP error -32001: Request timed out"}} { metadata: undefined }
[11778] [Local→Remote] notifications/cancelled
2025-09-09T04:44:20.999Z [weather] [info] Message from client: {"jsonrpc":"2.0","method":"notifications/cancelled","params":{"requestId":3,"reason":"McpError: MCP error -32001: Request timed out"}} { metadata: undefined }
[11778] [Local→Remote] notifications/cancelled