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Auto-Minimal-Reproduction Generator for Bug Reports
A developer tool that takes an error trace, package versions, and project configuration, then automatically generates a minimal, shareable reproduction repository. It strips dependencies, creates a minimal project, verifies the error reproduces, and outputs a GitHub repo link ready to paste into an issue. Saves maintainers and contributors significant time on both sides of bug reports.
Why this matters
You encounter a bug in a framework you depend on. The maintainer asks you to file an issue with a minimal reproduction. You know the drill: create a new project, add only the necessary dependencies, try to trigger the same error, push it to GitHub, and write up the steps. It takes anywhere from thirty minutes to two hours, and sometimes the error won't reproduce in the stripped-down version, sending you back to the drawing board. You wish a tool could just read your error, figure out the minimal set of dependencies and code needed to trigger it, and hand you a ready-to-share repository link.
- · Built for Open-source maintainers who require minimal reproductions to triage issues, and developers who file bug reports but find creating repro repos tedious.
- · Most likely monetization: freemium — free for individual use with public repos; paid tier for private repos, team usage, and integration with issue trackers.
The Pain · Narrative
You encounter a bug in a framework you depend on. The maintainer asks you to file an issue with a minimal reproduction. You know the drill: create a new project, add only the necessary dependencies, try to trigger the same error, push it to GitHub, and write up the steps. It takes anywhere from thirty minutes to two hours, and sometimes the error won't reproduce in the stripped-down version, sending you back to the drawing board. You wish a tool could just read your error, figure out the minimal set of dependencies and code needed to trigger it, and hand you a ready-to-share repository link.
Score Breakdown
Market Signal
Go-to-Market
Open-source contributors and framework maintainers in the JavaScript/TypeScript ecosystem who file or triage at least one bug report per week
~300K developers who regularly file GitHub issues across major open-source ecosystems
Hacker News and dev-focused newsletters, targeting open-source contributor communities
$12/month for Pro with private repos and issue-tracker integration; free for public repos
1,000 repro repos generated and 50 paying users within 30 days of launch
MVP Scope · 1–2 weeks
- Build a CLI that accepts an error message or stack trace and parses it to identify the failing module, file, and import path
- Implement project detection that reads package.json, lock file, and tsconfig to determine the framework, runtime, and package versions in use
- Create a template engine that generates a minimal project scaffold with only the dependencies implicated in the error trace
- Set up a sandboxed execution environment (using Docker or Bun's built-in sandboxing) to run the generated project and verify the error reproduces
- Build a simple web interface where users paste their error and get back a downloadable project or GitHub repo link
- Implement dependency-stripping algorithm that progressively removes packages not needed to reproduce the error, using binary search for efficiency
- Add GitHub integration to automatically create repositories and push the minimal reproduction with a generated README
- Support multiple runtimes (Node.js, Bun, Deno) by detecting the runtime from lock files and environment
- Add issue-tracker integration that can auto-attach the reproduction repo link to an existing GitHub issue
- Publish documentation and create example videos showing the tool generating reproductions for common framework errors
Differentiation
Why This Might Fail
Self-rebuttal — the most important trust signal
- 1Many errors depend on complex environmental state — OS, file system layout, prior installs, cached artifacts — that cannot be faithfully reproduced in a sandbox, leading to false negatives where the generated repo does not reproduce the bug
- 2Maintainers of large projects may distrust auto-generated reproductions and still ask for manually crafted ones, undermining the tool's value proposition for the very people it aims to serve
- 3The computational cost of sandboxed execution and iterative dependency stripping may make the service expensive to run for free users, squeezing margins on a freemium model
Evidence Summary
How AI synthesized this insight — no verbatim quotes
Two commenters in this discussion described the manual process of creating minimal reproduction repositories for bug reports. One commenter asked another to open a separate issue with a minimal reproduction and exact package versions. The other confirmed they had done so, including creating a repository link and tagging the maintainer. This exchange illustrates the recurring, time-consuming manual effort required on both sides of open-source bug reporting, with no tooling to automate the repro-generation process.
Action Plan
Validate this opportunity before writing code
Recommended Next Step
Validate
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Landing Page Copy Kit
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Headline
Auto-Minimal-Reproduction Generator for Bug Reports
Sub-headline
A developer tool that takes an error trace, package versions, and project configuration, then automatically generates a minimal, shareable reproduction repository. It strips dependencies, creates a minimal project, verifies the error reproduces, and outputs a GitHub repo link ready to paste into an issue. Saves maintainers and contributors significant time on both sides of bug reports.
Who It's For
For Open-source maintainers who require minimal reproductions to triage issues, and developers who file bug reports but find creating repro repos tedious
Feature List
✓ Accept error log, stack trace, or raw error output as input ✓ Automatically detect relevant framework, runtime, and package versions from the project ✓ Generate a minimal project that reproduces the error by progressively stripping dependencies ✓ Verify the error reproduces in a sandboxed environment before generating the repo ✓ Output a GitHub repository link or downloadable zip with README containing reproduction steps
Where to Validate
Share your landing page in r/GitHub · elysiajs/elysia — that's exactly where these pain points were discovered.
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