Devthropology – Better Insights for GitHub Repos

Devthropology is a passion project built on top of GitHub pull data. The name is a play on developer anthropology. Pull request data can be cut a lot of ways. The functionality has been built out of curiosity as I want to see different insights into codebases that I work on. Some of the data is typical and other parts I haven't seen elsewhere.I think of this as an improved GitHub Insights page, with faster performance, more detail, and a focus on how work moves through a codebase. The main entity is a contributor, which has two sides: authoring PRs and reviewing/giving feedback to others. From there, you can see repository wide stats, user interactions, contribution trends, file health, and collaboration patterns. Some insights are useful for understanding velocity and code health in the AI era.Details for each page:- Homepage: A high level summary of the repository. Showing age, file types, active contributors, new and churned users. I track the author age at merge, so you can see the tenure of people shipping changes over time.- File explorer: One of my favorite parts. I build a graph of files, tracking renames and moves, to build a complete history. Rolling up, every file and folder is assigned an outlook such as active, developed, stale, touched by people who are likely gone. You can easily see contributor timelines, recent changes, and for some files, their rename/move history and related files that often change together (useful for a coding agent).- Trends: The densest page, showcasing the velocity of contributions and trying to understand if AI is helping ship more. Charts are cut by year for comparisons, tracking PR size, output, rounds of review, and approval latency by different percentiles. PRs are further cut into bucketed sizes to help drill in deeper. Helps to show that smaller PRs are likely still faster to ship while very large PRs (product of AI?) are slowing down.- Relationships: A graph of interactions between contributors, weighted

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FL score

62

out of 100

Verdict

VALIDATE

medium confidence

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A GitHub analytics tool that visualizes PR workflows and code health patterns, built for engineering leaders and teams wanting deeper visibility than GitHub's native insights.

The pain

Engineering managers and tech leads lack visibility into how work actually moves through their codebases. GitHub's built-in insights are slow, shallow, and don't show collaboration patterns, file health trajectories, or whether AI tooling is actually improving shipping velocity. Teams can't easily spot stale code, understand contributor tenure, or see which files are bottlenecks.

The gap

No tool currently combines PR-level granularity with file-level health tracking and contributor interaction graphs in a performant interface. Existing solutions either focus on metrics (velocity dashboards) or code quality (linters) but not the intersection of workflow efficiency and codebase evolution.

Build angle

Start by validating with 10-15 engineering teams at mid-size companies (50-500 engineers). Charge per repository or per team seat. Focus on the file explorer and trends pages as core differentiators, these are genuinely novel. Test whether teams actually use this weekly or if it's a one-time curiosity. If adoption sticks, expand to team-level collaboration features and integrate with Slack/Linear for workflow context.

Strengths

  • Novel data cuts (file rename tracking, contributor tenure at merge, AI-era velocity signals) that GitHub doesn't expose
  • Built from real curiosity and actual use, not a solution in search of a problem
  • Clear target user (engineering leads wanting codebase health visibility)
  • Performance advantage over GitHub's native tools is defensible and measurable
  • File explorer concept has genuine utility for onboarding and refactoring decisions

Risks

  • GitHub could replicate these features in their native insights product, eliminating differentiation
  • Adoption risk: teams may view this as nice-to-have rather than essential, usage could be sporadic
  • Data access dependency: relies on GitHub API; any changes to rate limits or data availability break the product
  • Unclear monetization: hard to charge for analytics tools when GitHub is free; SaaS pricing may face resistance
  • Market size constraint: only useful for teams that actively care about codebase metrics; many don't
  • The 'AI is helping ship more' angle is speculative, may not hold up under scrutiny and could feel like chasing hype

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