AcademyWorkflowsData and reporting

Build your own PostgreSQL MCP server

Data and operations teams that want an AI client to read and update a PostgreSQL database through limited, defined tools.

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Paste it straight onto an n8n canvas with Ctrl+V or Cmd+V.

Third party software. By copying, downloading or installing it you accept the Academy legal notice: you are responsible for reviewing its code and permissions before use.

build-your-own-postgresql-mcp-server.json

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What it does

An n8n workflow that works as an MCP server for a PostgreSQL database. It exposes two read-only query tools and three custom workflow tools for select, insert and update. These use restricted parameters, so the agent does not send raw SQL. Any compatible MCP client can connect to it.

Use cases

  1. 01Let an AI client query HR or sales tables safely
  2. 02Insert and update records through restricted parameters
  3. 03Expose inventory data to an MCP client

Connects

Postgres · Call n8n Workflow Tool

Questions about
Build your own PostgreSQL MCP server.

What is Build your own PostgreSQL MCP server used for?

Data and operations teams that want an AI client to read and update a PostgreSQL database through limited, defined tools. An n8n workflow that works as an MCP server for a PostgreSQL database. It exposes two read-only query tools and three custom workflow tools for select, insert and update. These use restricted parameters, so the agent does not send raw SQL. Any compatible MCP client can connect to it.

How do I import Build your own PostgreSQL MCP server into n8n?

Copy the workflow JSON from this page and paste it onto the n8n canvas with Ctrl+V or Cmd+V. Then connect your credentials in each node.

Is Build your own PostgreSQL MCP server safe to use?

It passed our automatic scan for credential theft, hidden instructions and risky install commands. Third party open source software. Sabemos AI does not maintain it. Check the code and permissions before you connect it to company data.

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