InfinityDB
Sub-millisecond neurosymbolic memory engine for AI agents
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InfinityDB is an open-source neurosymbolic memory engine for AI agents that runs locally on SQLite WAL mode. Unlike vector memory that relies on costly LLM extraction, InfinityDB provides sub-5ms hybrid recall, deterministic $0 fact extraction, dynamic persona conflict resolution, and SHA-256 audit proofs. Cuts agent prompt token overhead by 81.4%. Compatible with Python (PyPI), Node.js (NPM), LangChain, CrewAI, and Model Context Protocol (MCP) for Claude Desktop and Cursor.
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PH · launched Oct 19, 2026 · 2 upvotes (top 23%)
- Horizontal
- Data infrastructure
- Developer
- AI-native
- Commercial product
- Open Source
- Developer Tools
- Artificial Intelligence
- GitHub
Similar launches
See all 482 similar launches →Could you build this?
Partial The SQLite storage, embeddings, and hybrid recall are buildable, but the deterministic fact extraction, persona conflict resolution, and sub-5ms performance claims need novel algorithm design and careful engineering.
What it would actually take: A real version would be a Python or Rust library over SQLite WAL with FTS plus vector search for hybrid retrieval, a rule-based or small-model extraction pipeline, and an append-only hash-chained audit log. The hard parts are the non-LLM fact extraction and conflict-resolution logic, which require NLP and memory-system research, plus benchmarking to back the latency claims.
Competitors
Other products that read as similar to this one : 482 launches clear the similarity bar, closest 8 shown.
Attention rank: #95 of 483 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 350 days after the earliest competitor.
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- YantrikDB · ph · 2026-09-12 · 3 upvotes · similarity 0.48
- TuringDB · hn · 2026-01-28 · 7 upvotes · similarity 0.47
- Hebbs · hn · 2026-03-09 · 6 upvotes · similarity 0.46
- BetterDB, MIT Valkey-native context layer for AI agents · hn · 2026-06-26 · 5 upvotes · similarity 0.46
- DeepClause · hn · 2025-11-15 · 7 upvotes · similarity 0.46
- A local-first memory store for LLM agents (SQLite) · hn · 2025-12-14 · 48 upvotes · similarity 0.45
- komplyt-zero · github · 2026-10-13 · 14 upvotes · similarity 0.45
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