product · inferred from evidence
JSON-RPC
A remote procedure call protocol used as the underlying implementation for A2A.
- 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
- Agent protocols beyond MCP in Julia?
one distinction that helped me keep these straight: they live at different layers. MCP is tools and data, ACP is editor to agent, A2A is agent to agent, and AG-UI is agent to frontend, basically streaming events into a UI. so for the ManyUI