Hey everyone! My name’s Hansen and I’m the founder of Lightski. We're building an AI-powered text-editor to help engineers write technical design docs, RFCs, peer reviews, onboarding docs, PRDs (basically anything that’s not code). You can sign up and try it at https://www.lightski.com/

Previously as a tech lead and engineering manager, I wrote TDDs and RFCs almost once a week. I spent more time writing in our knowledgebase (Slab/Notion) than writing code! AI has revolutionized how we write code (Cursor, Windsurf) and prose (Type.ai, Lex, Jenni, Gemini), but there hasn’t been any tool tailored to the types of documents an engineer needs to write, until now.

Lightski is a collaborative Markdown text-editor that indexes and references your company’s Github repository. This allows Lightski to find relevant files and schemas, and format them appropriately for a document. For example, you can:

* Ask Lightski to automatically convert a DB schema into a more readable table: https://www.lightski.com/videos/2025-02-13-schema-transforma...

* Create a first draft with citations to code: https://www.lightski.com/videos/2025-02-13-new-document-1.mp...

* Explain complex code logic in pseudocode

* Fetch recent commits to draft a self or peer review, etc!

Long-term, we’re aiming to build an intelligent knowledgebase for technical information: one connected to your codebase, documentation, and ticketing system, in order to speed up how teams collaborate. We believe that written communication will never go away and aim to build the fastest possible way for engineers to write down what’s in their brain to help with collaboration.

I’ll be in the comments, or feel free to email me at founders@lightski.com!

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Show HN: Lightski – Cursor for Technical Design Docs, Peer Reviews, and PRDs

Show HN: Lightski – Cursor for Technical Design Docs, Peer Reviews, and PRDs