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Agent Client Protocol (ACP)

(agentclientprotocol.com)
270 points vinhnx | 4 comments | 30 Aug 25 12:42 UTC | HN request time: 0s | source
1. acomagu ◴[30 Aug 25 15:58 UTC] No.45075702[source]▶
I would love it, but please don't add JSON-RPC to the world... It's too heavy for editor.
replies(2): >>45076038 #>>45076290 #
2. mi_lk ◴[30 Aug 25 16:47 UTC] No.45076038[source]▶
Is there a better option?
3. quotemstr ◴[30 Aug 25 17:13 UTC] No.45076290[source]▶
Anyone else noticing an uptick in confidently stated nonsense on HN? To write that JSON-RPC is "too heavy for editor", you have to not only misunderstand the cost of JSON encoding (trivial) but also the frequency of editor-tool interaction (seldom) and volume of data transferred (negligible). In addition, you have to look at LSP, MCP, and other JSON-y protocols and say "yep. There's where the UI latency is. Got it.". (Nope)

Are people who assert that JSON-RPC is "heavy" writing code we all rely on?

replies(1): >>45076655 #
4. willm ◴[30 Aug 25 17:53 UTC] No.45076655[source]▶
Harsh. But fair. JSON-RPC is one of the leanest protocols out there.