Codebasechat.com – Make a GPT chatbot for any GitHub Repo in 30 seconds
Hi HN - I’m excited to share a fun side project we built recently CodebaseChat.com is a tool for building a GPT chatbot for any GitHub repo in 30 seconds It can be helpful when onboarding to new codebases, when needing help understanding system design, asking for less technical explanations of functionality We’ve been heads down building Context.ai, the analytics platform for LLM products. When OpenAI released GPTs earlier this month, we built one to answer questions about our growing codebase. It worked so well that we decided to open source the utility for other dev teams How it works: -…
In plain words
Codebasechat.com enables developers to create a GPT chatbot for any GitHub repository in 30 seconds by extracting codebase information and uploading it to OpenAI's GPT builder. The tool helps with onboarding to new codebases, understanding system design, and explaining code functionality in plain language. Users submit a GitHub URL to receive a repo.md file they can use with either ChatGPT Plus or OpenAI's free Assistants Playground.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN - I’m excited to share a fun side project we built recently CodebaseChat.com is a tool for building a GPT chatbot for any GitHub repo in 30 seconds It can be helpful when onboarding to new codebases, when needing help understanding system design, asking for less technical explanations of functionality We’ve been heads down building Context.ai, the analytics platform for LLM products. When OpenAI released GPTs earlier this month, we built one to answer questions about our growing codebase. It worked so well that we decided to open source the utility for other dev teams How it works: - Submit a GitHub repo URL at CodebaseChat.com - We’ll give you a repo.md file - Upload that to OpenAI’s GPT builder - Voilà! You can ask your GPT about your codebase Don’t have ChatGPT Plus? No worries, you can use OpenAI’s Assistants Playground completely for free. Have an idea to improve the project? Submit a PR at https://github.com/contextco/codebasechat
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