Inspiration
Reddit moderation is one of the most important, yet under-supported, workflows on the internet. Moderators make fast decisions under pressure, often with incomplete context.
While reviewing real posts and moderator workflow patterns, we saw the same issue repeatedly: suspicious content could slip through, harmless posts could be handled inconsistently, and context was often lost between moderators.
That exposed a deeper problem. Moderation is not only about detecting risky content. It is also about helping teams make consistent, explainable decisions inside a real workflow.
That insight led us to build ModQueue Copilot.
What It Does
ModQueue Copilot is a Devvit-based Reddit moderation assistant that helps moderators triage posts faster and make more consistent decisions.
It gives moderators direct tools inside Reddit to:
- Analyze a Reddit post by URL or ID
- Create demo cases for spam, promotion, questions, and discussion
- Review a compact verdict card for a fast first read
- Open a full moderation console for deeper review
The product recommends one of four moderator actions: approve, remove, review, or reply.
Beyond detection, it provides:
- Clear risk verdicts with supporting reasoning
- Structured moderator case files
- Policy-aware decision comparison
- Moderator handoff context and audit history
- Impact metrics such as posts triaged and time saved
This turns moderation from reactive guesswork into a more structured, transparent workflow.
How We Built It
We built ModQueue Copilot as a full-stack Devvit application running inside Reddit.
- Frontend: React-based moderation experience with a compact in-post card and a full console
- Backend: Hono API with a deterministic moderation engine
- Detection: Heuristic moderation signals such as urgency language, earnings claims, suspicious promotion patterns, and off-platform contact attempts
- Workflow Design: A full moderation console organized around Overview, Controls, and Activity
The system works on real subreddit posts and also includes seeded demo scenarios with editable draft fields for reliable hackathon demos and judging.
Challenges We Ran Into
Working within Reddit platform constraints was a major challenge. Moderation flows depend heavily on where the app is installed and how moderators enter the workflow, so we had to design around real subreddit context, direct analysis entry points, and demo-safe flows.
Another challenge was balancing power with clarity. Early versions exposed too much at once. We refined the interface so moderators can first see the key call quickly, then move deeper into evidence, controls, and activity when needed.
We also spent a lot of time on trust. Instead of a black-box output, we made decisions visible through signals, case files, policy comparison, and audit history.
Accomplishments That We're Proud Of
- Built a functional Devvit moderation assistant that runs inside Reddit
- Created an end-to-end workflow that spans compact review, full console analysis, and action-taking
- Designed a transparent moderation system with visible reasoning and structured evidence
- Added policy-aware moderation views for different moderation styles
- Built demo creation flows that are editable, reliable, and presentation-ready
- Measured operational impact through triage counts, risk interception, and time-saved signals
What We Learned
Moderation is not only a classification problem. It is a workflow, trust, and coordination problem.
Accuracy alone is not enough. Moderators need clarity, consistency, and context they can hand off to the next teammate. In practice, explainability and workflow design matter as much as detection quality.
We also learned how much product quality depends on designing for real platform constraints, not idealized ones.
What's Next for ModQueue Copilot
Next, we want to evolve ModQueue Copilot into a broader moderation operations layer:
- Stronger high-risk queue prioritization
- Better moderator reply assistance
- Deeper team-level insight and consistency tracking
- Richer policy customization for different communities
Our goal is to make moderation faster, more consistent, and more scalable while keeping decisions transparent and human-centered.
Built With
- ai
- devvit
- hono
- react
- redis
- typescript

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