# PG Connection Pool Query Gateway

> PG Connection Pool Query Gateway — duylongpro99-db-query-mcp. Use this tool when you need to execute SQL queries against PostgreSQL databases while ensuring efficient connection management and tenant isolation. It solves problems related to database querying, schema introspection, and data access control, providing a secure and scalable interface for read-only operations. The tool accepts SQL queries as input and returns query results, making it ideal for use cases that require reliable and guarded access to PostgreSQL databases.

Canonical page: https://skillsregistry.net/skills/duylongpro99-db-query-mcp  
JSON: https://api.skillsregistry.net/v1/skills/duylongpro99-db-query-mcp

## Description

Enables agents to run SQL queries against PostgreSQL databases through MCP with connection pooling, tenant isolation, and read-only guardrails. Supports introspection of schemas, tables, and columns.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/egddj8mim0)
- **Repository:** <https://github.com/duylongpro99/db-query-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "duylongpro99-db-query-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/duylongpro99-db-query-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/duylongpro99-db-query-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt