pgvector

Open-source vector similarity search extension for PostgreSQL powering RAG and long-term agent memory.

16 API Actions AvailableWebsite ↗

Available API Actions (1)

Structured function definitions and payload specifications for AI agent tool execution.

GETvector_search_hnsw

Execute HNSW index vector similarity lookup with L2 distance or inner product.

PARAMETERS SCHEMA

Param Name	Type	Required	Description
embedding	number[]	Yes	Query vector

Open-source Postgres database with pgvector, real-time subscriptions, row-level security, and auth.

Ultra-fast in-memory data store for agent session state, rate limiting, pub/sub channels, and memory caching.