SQL Mysql

SQL MySQL

Contract

Prereqs:

• bash available on PATH.
• mysql client available on PATH (or install via Homebrew; this skill will try to add mysql-client/bin to PATH when available).
• Connection settings provided via exported env vars and/or an env file.

Inputs:

• --prefix <PREFIX>: env var prefix (example: QB → QB_MYSQL_HOST, QB_MYSQL_PORT, ...).
• --env-file <path>: file to source for env vars (use /dev/null to rely on already-exported env vars).
• One of:
  • --query "<sql>" (maps to mysql -e)
  • --file <file.sql> (runs file via stdin redirection)
  • -- <mysql args...> (pass-through to mysql)

Outputs:

• Query results printed to stdout (from mysql); diagnostics to stderr.

Exit codes:

• 0: success
• non-zero: connection/auth/query error (from mysql or wrapper)

Failure modes:

• Missing mysql, missing required <PREFIX>_MYSQL_* env vars, or DB unreachable/auth failure.

Overview

Use sql-mysql to run MySQL queries via mysql with a consistent <PREFIX>_MYSQL_* convention.

Prefer read-only queries unless the user explicitly requests data changes.

Quick Start

1. Run a query:

$AGENT_HOME/skills/tools/sql/sql-mysql/scripts/sql-mysql.sh \
  --prefix TEST \
  --env-file /dev/null \
  --query "select 1;"

1. Run a file:

$AGENT_HOME/skills/tools/sql/sql-mysql/scripts/sql-mysql.sh \
  --prefix TEST \
  --env-file /dev/null \
  --file /path/to/query.sql

Safety Rules

Ask before running UPDATE, DELETE, INSERT, TRUNCATE, or schema changes.

Output and clarification rules

• Follow the shared template at $AGENT_HOME/skills/tools/sql/_shared/references/ASSISTANT_RESPONSE_TEMPLATE.md.

Scripts (only entrypoints)

• $AGENT_HOME/skills/tools/sql/sql-mysql/scripts/sql-mysql.sh

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