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N3MO – See What Breaks Before You Merge
Deterministic PR impact reports in under 2 seconds
Automate your GitHub pull request reviews. N3MO maps code dependencies and calculates the blast radius of every PR change before you merge. Supports 27 languages. Free 15-day trial.
Hey
I'm Raj, solo founder of N3MO.
This started from a failed GSoC attempt I couldn't navigate a large renamed function in an open-source codebase and had no way to see what else would break if I touched it. That frustration became N3MO.
N3MO is a deterministic, AST-based code intelligence engine. It parses your codebase with Tree-sitter and builds a call graph in PostgreSQL no embeddings, no LLM calls, no hallucination risk. When you open a PR, N3MO posts a blast-radius report in under 2 seconds showing exactly which downstream components a change will affect.
A few things that might be useful to know:
Free CLI (pip install n3mo) already at 8k daily active users
GitHub App for automatic PR impact reports
MCP server so Claude, Cursor, and other agents get a real dependency graph instead of raw file chunks or guesses
Benchmarked on TensorFlow (480k+ call edges, ~14 min cold index) and Django (~9x faster after optimization)
Would love your feedback sespecially from anyone who's been burned by a "should be safe" refactor that wasn't. Happy to answer anything about the architecture, pricing, or roadmap in the comments.
About N3MO – See What Breaks Before You Merge on Product Hunt
“Deterministic PR impact reports in under 2 seconds”
N3MO – See What Breaks Before You Merge was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #97 on the daily leaderboard. Automate your GitHub pull request reviews. N3MO maps code dependencies and calculates the blast radius of every PR change before you merge. Supports 27 languages. Free 15-day trial.
On the analytics side, N3MO – See What Breaks Before You Merge competes within Software Engineering, Developer Tools and GitHub — topics that collectively have 601.7k followers on Product Hunt. The dashboard above tracks how N3MO – See What Breaks Before You Merge performed against the three products that launched closest to it on the same day.
Who hunted N3MO – See What Breaks Before You Merge?
N3MO – See What Breaks Before You Merge was hunted by Raj Shekhar. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of N3MO – See What Breaks Before You Merge including community comment highlights and product details, visit the product overview.
Raj Shekhar