# A2DB

> Use this tool when you need to securely access and query databases without modifying data, providing read-only access to AI agents with support for multiple database management systems and efficient batch query execution. It solves problems related to data retrieval and analysis while preventing accidental or malicious data modifications. The A2DB tool takes SQL queries as input and outputs results in TSV format, ideal for use cases requiring token-efficient data extraction.

Canonical page: https://skillsregistry.net/skills/agentic-eng-a2db  
JSON: https://api.skillsregistry.net/v1/skills/agentic-eng-a2db

## Description

Provides read-only database access for AI agents with SQLGlot AST-based enforcement preventing any write operations. Supports PostgreSQL, SQLite, MySQL/MariaDB, Oracle, and SQL Server with batch query execution and TSV output for token efficiency.

## Trust

- **Trust score (0–1):** 0.77
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/agentic-eng-a2db)
- **Repository:** <https://github.com/yoselabs/a2db>

## 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": "agentic-eng-a2db"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/agentic-eng-a2db` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/agentic-eng-a2db/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