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PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

PostgreSQL Extension Catalogue

Explore 2387 PostgreSQL extensions from PGEXT, maintained by Pigsty.

hybrid_search · Hybrid pgvector and full-text search helper functions for LangChain and Supabase. · 1.1.0 · AI and vectors · Apache-2.0 · SQL · Not packagedpgmnemo · Single-plan multimodal agent memory for PostgreSQL · 0.20.0 · AI and vectors · Apache-2.0 · SQL · Packagedrikai · rikai ML extensions · 0.1 · AI and vectors · Apache-2.0 · SQL · Not packagedpg_vector_embedding · Trigger-driven vector embedding through external HTTP services and a background queue. · 1.0.0 · AI and vectors · Apache-2.0 · SQL · Not packagedpg_grammar_guard · Catalog-derived grammars and approved grammar drift checks · 0.4.1 · AI and vectors · PostgreSQL · SQL · Packagedembedding_search · LangChain/Supabase helper package for storing and searching document embeddings with pgvector. · 1.1.0 · AI and vectors · Unknown · SQL · Not packagedjessevent@ai_sql · AI inference SQL functions for Supabase. Self-deploys its own edge function via ai.deploy(). · 1.0.0 · AI and vectors · Unknown · SQL · Not packagedjessevent@supa_aisql · AI inference SQL functions for Supabase. Self-deploys its own edge function via ai.deploy(). · 1.0.0 · AI and vectors · Unknown · SQL · Not packagedmcp_postgrest · PostgreSQL extension to define AI tools compatible with Anthropic's Model Context Protocol (MCP). Fully customizable, schema-agnostic, secure, and integrated with PostgREST. · 0.1.2 · AI and vectors · Unknown · SQL · Not packagedollama · Ollama client for PostgreSQL · 1.0 · AI and vectors · MIT · SQL · Not packagedpg_embed · Generate and store OpenAI embeddings in-place · 1.0 · AI and vectors · Unknown · SQL · Not packagedpg_sag_rag · Pure-SQL multi-hop event/entity retrieval, query routing, and in-database RAG evaluation. · 0.1.0 · AI and vectors · Apache-2.0 · SQL · Not packaged

12 extensions found. Clear filters

NameVersionDescriptionCategoryLicenseLanguagePG VersionStars
hybrid_search 1.1.0 Hybrid pgvector and full-text search helper functions for LangChain and Supabase. RAG Apache-2.0 SQL 441
pgmnemo 0.20.0 Single-plan multimodal agent memory for PostgreSQL RAG Apache-2.0 SQL 17–18 6
rikai 0.1 rikai ML extensions RAG Apache-2.0 SQL 5
pg_vector_embedding 1.0.0 Trigger-driven vector embedding through external HTTP services and a background queue. RAG Apache-2.0 SQL 4
pg_grammar_guard 0.4.1 Catalog-derived grammars and approved grammar drift checks RAG PostgreSQL SQL 14–18 1
embedding_search 1.1.0 LangChain/Supabase helper package for storing and searching document embeddings with pgvector. RAG SQL
jessevent@ai_sql 1.0.0 AI inference SQL functions for Supabase. Self-deploys its own edge function via ai.deploy(). RAG SQL
jessevent@supa_aisql 1.0.0 AI inference SQL functions for Supabase. Self-deploys its own edge function via ai.deploy(). RAG SQL
mcp_postgrest 0.1.2 PostgreSQL extension to define AI tools compatible with Anthropic's Model Context Protocol (MCP). Fully customizable, schema-agnostic, secure, and integrated with PostgREST. RAG SQL
ollama 1.0 Ollama client for PostgreSQL RAG MIT SQL 15
pg_embed 1.0 Generate and store OpenAI embeddings in-place RAG SQL
pg_sag_rag 0.1.0 Pure-SQL multi-hop event/entity retrieval, query routing, and in-database RAG evaluation. RAG Apache-2.0 SQL 14–17