FSD - Friendly Script Doctor

Helping python devs (other languages later) fix errors in sexy CLI app. We iteratively use error messages, code context and perceived developer intent to generate drag and drop solutions.

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Inspiration

We are developers who have used LLM-based workflows for debugging in hacky ways. We wanted to smooth this process through automation and CLI loveliness.

What it does

Analyzes your Python script and runs it Captures stderr if the script exits with error Infers your code's purpose through conversational prompts Asks clarifying questions if initial purpose guess is wrong Determines if it can suggest a fix with available info Provides context-aware fix suggestions Allows the user to see an explanation of why the fix works.

How we built it

Claude + Langchain + Python.

Challenges we ran into

Differences between langchain wrapped claude calls compared to claude workbench wasting several hours. Merge confs Silly syntax errors.

Accomplishments that we're proud of

Made friends, made it look sexy, got a fairly functional output we will use outside of this weekend.

What we learned

Restricting output on claude using XML, langchain

What's next for FSD - Friendly Script Doctor

Lots of potential additions

  • handling 0 error codes and providing refactoring suggestions.
  • handling larger codebases
  • prioritising context to send in to get better outputs
  • re-running fixed code programmatically.

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