Lorenzo Conti

Product-docs chat for a developer SDK

Open-source SDK with 200+ pages of docs. RAG-powered Q&A widget on docs site. Fine-grained citations.

Discord support questions down 40% after launch.
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Problem

Open-source SDK had great docs but devs still asked the same 30 questions in Discord. Maintainers spent 6+ hours/week re-answering basics.

Users

Public — open-source SDK with ~12k monthly active devs

Key flow

  1. 1Dev opens chat widget on the docs site
  2. 2Asks question, gets answer with linked sections + code blocks
  3. 3Clicks citation to jump to the relevant doc section

What I built

  • CI-triggered ingestion — every docs PR re-indexes the affected pages
  • Chat widget on docs site with code-aware chunking
  • Citations link to exact heading anchors in the docs
  • Question log — most-asked questions feed back into docs roadmap

Limits

  • Code examples are pulled verbatim — does not auto-translate languages
  • No code execution sandbox — answers explain, do not run
Product-docs chat for a developer SDK

AI tools used

  • LangChain
  • Supabase
  • Hugging Face