Onyx

One-liner, as posted

Open-source chat UI

19 characters (fits the 50-character limit).

Excerpt

We’re building an open-source chat that works with any LLM (proprietary + open weight) and gives these LLMs the tools they need to be useful (RAG, web search, MCP, deep research, memory, etc.).

Short excerpt from the founders’ Launch HN post. Read the full original at the link below.

Read the launch post on Hacker News Company website

Posted 2025-11-25 · 254 points · 160 comments. Batch as stated by the founders in the post title.

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