eminsk/nanovector
The SQLite of Vector Search & Episodic Memory for AI Agents in ~120KB. Pure C99, AVX2+FMA, ARM NEON, FASM x64, zero dependencies.
About the project
An embeddable vector search and episodic memory library for AI agents written in pure C99 with SIMD optimizations and zero dependencies, about 120 KB in size.
Useful for
- Add long-term memory to an LLM agent by saving embeddings to a single .nvec file
- Replace ChromaDB or FAISS in a LangChain chain with a lightweight local index
- Run exact top-k search over 50,000 vectors with metadata filtering
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.
Why it’s trending
- 1 star today.
- The repository is 3 days old and already has 7 stars.
- Hacker News: “Show HN: NanoVector – A 120KB zero-dependency vector search engine in C and SIMD” — 10 points, 2 days ago.
Stars per day
Bars are daily stars, the line is the usual pace. Red marks spike days.
Numbers
- Total stars
- 7
- Stars in a day
- 1
- Forks
- 0
- Issues and pull requests
- 0
- Watchers
- 0
- Language
- C
- License
- MIT
- Latest release
- v0.1.3 · September 11, 2026
- Created
- September 10, 2026
- Last push
- September 13, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Hacker News discussions
- Show HN: NanoVector – A 120KB zero-dependency vector search engine in C and SIMD10 points, September 11, 2026
Spotted in
- September 13, 2026Spotted on Hacker News
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