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Execute read-only SQL queries against multiple MySQL databases.
Passed 17 of 20 test cases with the skill, and 11 of 20 without it.
and 4 more in the full report
7 fixed12 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
To authenticate against an enterprise database cluster requiring a custom CA certificate, which JSON parameter key must hold the path to the certificate authority file?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies ssl_ca as the configuration field name. | Missed | Passed |
The instructions your model reads when the skill loads.
Execute safe, read-only queries against configured MySQL databases.
pip install -r requirements.txtCreate connections.json in the skill directory or ~/.config/claude/mysql-connections.json.
Security: Set file permissions to 600 since it contains credentials:
chmod 600 connections.json
{
"databases": [
{
"name": "production",
"description": "Main app database - users, orders, transactions",
"host": "db.example.com",
"port": 3306,
"database": "app_prod",
"user": "readonly_user",
"password": "your-password",
"ssl_disabled": false
}
]
}
| Field | Required | Description |
|---|---|---|
| name | Yes | Identifier for the database (case-insensitive) |
test cases passed, vs 11 / 20 without
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