tech-drizzle

Drizzle ORM schema design, relational queries, and migration patterns. Use when working with Drizzle ORM, writing database queries, or managing Drizzle migrations.

Install with Tessl CLI

npx tessl i github:ravnhq/ai-toolkit --skill tech-drizzle

What are skills?

1.35x

Quality

56%

Does it follow best practices?

Impact

100%

1.35x

Average score across 3 eval scenarios

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/framework/tech-drizzle/SKILL.md

SKILL.md

Review

Evals

Evaluation results

100%

30%

Database Schema Setup for a Content Platform

Schema organization and type inference

Criteria

Without context

With context

One table per file

100%

Relations in separate file

100%

Index exports base tables first

100%

Index exports relations last

100%

Junction table export order

100%

$inferSelect type exported

100%

$inferInsert type exported

100%

No manual interface duplicates

100%

Relations file imports all tables

100%

README explains structure

100%

Without context: $0.5842 · 2m 32s · 34 turns · 40 in / 7,267 out tokens

With context: $1.1116 · 3m 52s · 46 turns · 1,829 in / 14,072 out tokens

100%

Data Access Layer for an E-commerce Dashboard

Relational queries and N+1 prevention

Criteria

Without context

With context

db.query used for relations

100%

No manual JOIN for relations

100%

with clause for eager loading

100%

Root-level column selection

66%

100%

Nested column selection

100%

Sensitive fields excluded

100%

No N+1 loop pattern

100%

NOTES.md references eager loading

100%

Without context: $0.4103 · 2m 10s · 25 turns · 32 in / 5,807 out tokens

With context: $0.6160 · 2m 4s · 32 turns · 947 in / 7,139 out tokens

100%

43%

Analytics Reporting Module and Schema Migration

Aggregation queries and migration safety

Criteria

Without context

With context

db.select for aggregations

100%

Aggregation functions imported

100%

GROUP BY used correctly

100%

db:push for local dev

100%

db:generate before commit

60%

100%

SQL review step included

100%

RENAME vs DROP+ADD check

33%

100%

NOT NULL DEFAULT check

100%

CONCURRENTLY for large table indexes

100%

No relational API for aggregations

100%

Without context: $0.4105 · 1m 47s · 22 turns · 27 in / 5,628 out tokens

With context: $0.6474 · 2m 8s · 32 turns · 829 in / 7,784 out tokens

Evaluated: 4 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Database Schema Setup for a Content Platform Data Access Layer for an E-commerce Dashboard Analytics Reporting Module and Schema Migration

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