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devnexus

persistent context across repos, sessions, and engineers

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devnexus is an open-source cli that gives agents persistent shared memory across repos, sessions, and engineers.It maps out dependencies and relations at the function level, builds a code graph, and writes it into a shared Obsidian vault that every agent reads before writing code. Past decisions are also linked directly to the code they touched, so no one goes down the same dead end twice.Still building it out but I would love to hear any thoughts/feedback

HN · launched Apr 18, 2026 · 6 upvotes (top 72%) · 0 views

Niche: ai agent memory infrastructure · 350 launches, 11 in the last 7 days ▼ -58% · Explore this niche →

Category and tags
  • Horizontal
  • Agent / copilot
  • Developer
  • AI-native
  • Commercial product

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More like this: all 350 launches in ai agent memory infrastructure →

Could you build this?

Partial Basic AST code indexing and Markdown export are straightforward, but maintaining robust, multi-repository semantic call graphs and cross-engineer synchronization at scale requires complex static analysis and graph compilation.

What it would actually take: Needs Tree-sitter or LSP language servers for language-agnostic AST parsing, a graph database or network library to construct cross-file call graphs, and a sync engine to output formatted Obsidian markdown vaults. The difficult part is accurate call-graph resolution across dynamic languages, monorepos, and git branches without breaking context. Requires expertise in compiler design and static code analysis.

Discussion

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Competitors

Other products that read as similar to this one : 512 launches clear the similarity bar, closest 8 shown.

Attention rank: #419 of 513 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 168 days after the earliest competitor.

Related data

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