product · inferred from evidence
MCP protocol
A protocol mentioned in the context of JSON-RPC handshake and client-server communication.
- Perplexity MCP npx wrapper causes EOF errors in strict MCP clients
You diagnosed it right. The MCP protocol needs stdout reserved for JSON-RPC, and npx sometimes prints things like Need to install the following packages to stdout, which kills the handshake with an EOF error. The reliable fix is to skip the