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What’s the first app you’d connect to a personal AI companion?

I've spent a lot of time thinking about what makes an AI assistant genuinely useful.

My conclusion so far is that the model is only part of the answer.

The bigger problem is context.

Your email knows one part of your day.

Sidekick - One AI companion. Any model. All your tools.

Sidekick is a personal AI companion that connects your chosen AI with the tools you use every day — email, calendar, notes, tasks and more. Talk or type to it, get text or voice responses, and choose how present your Sidekick feels. Built-in AI is included, or connect GPT, Claude, Gemini and 300+ models through OpenRouter. You control its tools, permissions and AI.