Skip to content

Syntax error when connecting streamable http mcp server in Claude Desktop #83

Open
@pavinduLakshan

Description

@pavinduLakshan

When I'm trying to connect my streamable http mcp server to Claude Desktop using remote-mcp, I'm getting the following error.

Node version: v20.12.0

My mcp configuration:

"remote-example": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:3000/mcp"
      ]
}
2025-05-16T07:00:17.535Z [remote-example] [info] Initializing server...
2025-05-16T07:00:17.572Z [remote-example] [info] Server started and connected successfully
2025-05-16T07:00:17.573Z [remote-example] [info] Message from client: {"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"claude-ai","version":"0.1.0"}},"jsonrpc":"2.0","id":0}
npx: installed 79 in 8.153s
file:///Users/pavindu/.npm/_npx/28829/lib/node_modules/mcp-remote/dist/chunk-OUCHRS4S.js:5452
crypto = globalThis.crypto?.webcrypto ?? // Node.js [18-16] REPL
                           ^

SyntaxError: Unexpected token '.'
    at Loader.moduleStrategy (internal/modules/esm/translators.js:140:18)
2025-05-16T07:00:26.794Z [remote-example] [info] Server transport closed
2025-05-16T07:00:26.794Z [remote-example] [info] Client transport closed
2025-05-16T07:00:26.795Z [remote-example] [info] Server transport closed unexpectedly, this is likely due to the process exiting early. If you are developing this MCP server you can add output to stderr (i.e. `console.error('...')` in JavaScript, `print('...', file=sys.stderr)` in python) and it will appear in this log.
2025-05-16T07:00:26.795Z [remote-example] [error] Server disconnected. For troubleshooting guidance, please visit our [debugging documentation](https://modelcontextprotocol.io/docs/tools/debugging) {"context":"connection"}
2025-05-16T07:00:26.795Z [remote-example] [info] Client transport closed

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions