Tinfoil's chat lets you do that, add a bit of context to every new chat. It's fully private, to boot, it's the service I use, these are Open Source models like

Tinfoil's chat lets you do that, add a bit of context to every new chat. It's fully private, to boot, it's the service I use, these are Open Source models like DeepSeek, Llama and Mistral that they host. https://tinfoil.sh/ https://tinfoil.sh/