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PostgreSQL MCP

○Communityv0.1.0MIT

by AgentNode Community · published 17 days ago · MCP Server

MCP server for read-only PostgreSQL database access.

Query PostgreSQL databases with read-only access. Supports schema inspection and SQL queries.

mcpmcp-serverpostgresdatabasesql
mcp

Quick Start

Requirements

  • • Node.js and npx installed
  • • 1 API key required

1. Install

bash
agentnode install mcp-postgres

2. Set Environment

bash
export POSTGRES_CONNECTION_STRING=your-key-here

3. Run

bash
agentnode run mcp-postgres --input '{"query": "test"}'

When started, this MCP server runs as a local subprocess via stdio transport.

This MCP server runs locally on your machine as a subprocess. AgentNode provides discovery metadata — the executable code is maintained by its npm publisher. Learn how this works | New to MCP?

Registry Verification

External Source
✓
Package resolved— @modelcontextprotocol/server-postgres on npm
✓
Source verified— modelcontextprotocol/servers
✓
Protocol verified— 1 tools discovered
✓
Version pinned— @modelcontextprotocol/server-postgres@2025.3.28
Permission Profile
Network: noneFilesystem: noneCode Execution: none

No executable artifact is hosted in the AgentNode registry. AgentNode provides discovery, install metadata, and integrity protection for the start command. The server code itself is maintained by its npm publisher.

Version History

v0.1.0latest
5/28/2026

Capabilities

database_queryquerytool

Run a read-only SQL query

Input Schema

{
  "type": "object",
  "properties": {}
}

Permissions

Declared by the publisher. Checked before execution by the policy gate.

Networknone
Filesystemnone
Code Executionnone
Data Accessinput_only
User Approvalonce

Permissions are policy-checked before execution. Network and filesystem access are not sandboxed at runtime. Learn more

Privacy

All tool execution happens locally on your machine. AgentNode never receives:

  • • Tool inputs or outputs
  • • Execution logs
  • • Data your agent processes

Only install events and search queries are sent to the registry.

bash
agentnode install mcp-postgres

External Source

npm@modelcontextprotocol/server-postgres
Repomodelcontextprotocol/servers

Code is maintained externally, not hosted by AgentNode.

Required Setup

POSTGRES_CONNECTION_STRINGrequired

Set these environment variables before running this MCP server.

License

MIT

Stats

Downloads0
Installs0
Versionv0.1.0
Published5/28/2026
Channelstable
TypeMCP Server

Compatibility

Frameworks

mcp

Runtime

MCP

Trust & Security

Publisher○Community
SignatureNone
ProvenanceNone
Security Issues0

Publisher

A

AgentNode Community

@agentnode-community

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