// Search & vector stores
pgvectorscale0.9.1
Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.
Open source Maintained For agents
IN ONE PARAGRAPH
pgvectorscale is postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.
Good for: Developers who want their agent (Claude Code, Codex, Cursor…) to search & vector stores.
01How to start
- 1Read the official README for requirements and permissions.
- 2Install it as the official guide describes.
- 3Tell your agent the command exists (e.g. in AGENTS.md / CLAUDE.md) so it knows when to call it.
02Alternatives & comparison
Compare side by side → elasticsearch Free and Open Source, Distributed, RESTful Search Engine ★ 78k redis For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine. ★ 77k milvus Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search ★ 46k qdrant Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/ ★ 35k chroma Search infrastructure for AI ★ 30k