Genkit MCP

# pgvector retriever template You can use PostgreSQL and `pgvector` as your retriever implementation. Use the following examples as a starting point and modify it to work with your database schema. We use [database/sql](https://pkg.go.dev/database/sql) to connect to the Postgres server, but you may use another client library of your choice. ```golang {% includecode github_path="firebase/genkit/go/samples/pgvector/main.go" region_tag="retr" adjust_indentation="auto" %} ``` And here's how to use the retriever in a flow: ```golang {% includecode github_path="firebase/genkit/go/samples/pgvector/main.go" region_tag="use-retr" adjust_indentation="auto" %} ```