pgvector for LangChain
io.github.mittalpk/pgvector
Similarity search, hybrid search, and index management for pgvector-backed PostgreSQL tables
client:LangChain
transport:stdio
runtime:pypi
Install pgvector in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"pgvector": {
"transport": "stdio",
"command": "uvx",
"args": ["mcp-server-pgvector"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs