UnknownPostgreSQL MCP (Python)
Python-based PostgreSQL MCP server for database management through AI.
Quick Answer
- 1. PostgreSQL MCP (Python) gives AI agents databases capabilities with 400 GitHub stars and a quality score of 69/99.
- 2. Install: Run
pip install mcp-server-postgresor add the config to your MCP client. - 3. Runtime: python — requires an API key.
- 4. Health: Unknown status — last checked Invalid Date.
Overview
Category: Databases
Runtime: python
Install: pip install mcp-server-postgres
Auth: API key required
Source: community
Stars: 400
Setup time: ~2 min (API key needed)
What You Can Build
With the PostgreSQL MCP (Python) MCP server, your AI assistant can:
- Access databases functionality through natural language
- Securely use your API credentials for authenticated operations
- Combine with other MCP servers for cross-tool automation workflows
- Run with python for reliable, consistent deployments
Health Status
UnknownOne-Click Install
Copy the snippet for your MCP client and paste it in.
Claude Desktop
Add to claude_desktop_config.json
{
"mcpServers": {
"mcp-server-postgres-py": {
"command": "pip",
"args": [
"install",
"mcp-server-postgres"
],
"env": {
"API_KEY": "your-api-key-here"
}
}
}
}Cursor
Settings → MCP Servers → Add
{
"mcpServers": {
"mcp-server-postgres-py": {
"command": "pip install mcp-server-postgres"
}
}
}Saves as .cursor/mcp.json in the download. Move it to your project root.
VS Code
Use with MCP extension
{
"mcpServers": {
"mcp-server-postgres-py": {
"command": "pip install mcp-server-postgres"
}
}
}SDK & Code Integration Examples
Connect to PostgreSQL MCP (Python) programmatically using TypeScript or Python MCP SDKs.
import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
// Initialize PostgreSQL MCP (Python) MCP client transport
const transport = new StdioClientTransport({
command: "pip",
args: ["install","mcp-server-postgres"],
env: { API_KEY: process.env.API_KEY || "your-api-key-here" }
});
const client = new Client(
{ name: "mcp-app-client", version: "1.0.0" },
{ capabilities: { tools: {} } }
);
async function connectAndRun() {
await client.connect(transport);
const tools = await client.listTools();
console.log("Connected to PostgreSQL MCP (Python). Available tools:", tools);
}
connectAndRun().catch(console.error);MCP Server Configuration
Add this to your claude_desktop_config.json
{
"mcpServers": {
"mcp-server-postgres-py": {
"command": "pip",
"args": ["install","mcp-server-postgres"],
"env": {
"API_KEY": "your-api-key-here"
}
}
}
}Topics
Error Resolution & Troubleshooting Matrix
Common JSON-RPC protocol error codes and environment troubleshooting for PostgreSQL MCP (Python).
-32600 (Invalid Request)Cause: Malformed JSON-RPC payload sent to server
Resolution: Verify MCP client payload adheres to JSON-RPC 2.0 specs.
-32601 (Method Not Found)Cause: Requested tool or resource method does not exist
Resolution: Call list_tools() to inspect supported tool names.
-32602 (Invalid Params)Cause: Missing or invalid tool arguments
Resolution: Check argument schema types against tool definition.
-32603 (Internal Error)Cause: Unhandled execution exception inside server process
Resolution: Inspect process stderr logs or check API key credentials.
AUTH_KEY_MISSINGCause: Required environment variable not set in MCP config
Resolution: Define required API key under 'env' object in claude_desktop_config.json.
STDIO_PIPE_CLOSEDCause: Server process crashed on startup
Resolution: Run install command manually in terminal to inspect error output.
Quality Score
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