System prompt

It's actually fine to have multiple system prompts, from what I've seen

Thanks, could you maybe point me to any docs about this? I have the typical RAG use case, but I'm a bit confused on how to customise things. E.g. when I pass chat_mode="context" to index.as_chat_engine (along with my service_context again), it now ignores the system prompt

The service context is only used for query engines

For chat engines, they operate above query engines, and need their own system prompt

index.as_chat_engine(..., system_prompt="Talk like a pirate.")

Ah thanks, that did the trick!! It didn't set a system prompt, instead appended the query to the context, but that works too