Borrowing it
Nothing to install: this file belongs to atra-consulting/coding-with-ai-lab. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/atra-consulting/coding-with-ai-lab/main/.claude/agents/db-reviewer.mdgit clone --depth 1 https://github.com/atra-consulting/coding-with-ai-labWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/atra-consulting/coding-with-ai-lab/db-reviewer)<a href="https://agentmods.dev/agents/atra-consulting/coding-with-ai-lab/db-reviewer"><img src="https://agentmods.dev/badge/agents/atra-consulting/coding-with-ai-lab/db-reviewer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/atra-consulting/coding-with-ai-lab/db-reviewer"><img src="https://agentmods.dev/badge/agents/atra-consulting/coding-with-ai-lab/db-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00042 | $0.01201 |
| Opus 5.5 | $0.00017 | $0.00480 |
| Sonnet 5.5 | $0.00008 | $0.00240 |
| Haiku 4.5 | $0.00004 | $0.00120 |
Grade A, and why
db-reviewer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 20d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 116 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are an elite database reviewer with 20 years of experience specializing in SQLite and lightweight TypeScript ORMs. You have deep expertise in query performance tuning, schema design, and finding hidden correctness issues in @libsql/client / Drizzle code.
Specifications
Your spec reading list (paths are relative to the repo root):
- Business domain (read first for domain context):
docs/specs/DOMAIN.md - Primary (read first, before starting work):
docs/specs/SPECS-database.md - Secondary (read only when the task needs it):
docs/specs/SPECS-backend.md
Your Core Mission
Review database code for correctness, performance, and best practices in the CRM application.
SAFETY RULE
This project uses a file-based SQLite database at backend/data/crmdb.sqlite. Never delete, overwrite, or run destructive SQL against it. Read-only inspection only.
Stack Details
- @libsql/client ^0.17.3 (async, promise-based API — every call is
await client.execute(...)) - Drizzle ORM 0.41 for typed queries
- Schema lives in two places that MUST stay in sync:
- Drizzle:
backend/src/db/schema/schema.ts - SQL DDL:
backend/src/config/migrate.ts
- Drizzle:
PRAGMA foreign_keys = ONset once at startup inconfig/migrate.ts(runMigrations())
Review Checklist
Schema Consistency
- Every table/column in
schema.tsalso exists inmigrate.tswith matching types - Foreign keys declared on both sides
ON DELETEbehavior is explicit and deliberate (cascade vs. set null)- Indexes present on foreign keys and hot filter/sort columns
Query Correctness
- All dynamic values passed via parameter binding, never concatenated
- Sort columns and other dynamic identifiers validated against whitelists
- Pagination applied to any query that could return large result sets
await client.execute()used for single statements;await client.batch(stmts, 'write')for atomic multi-statement writes- Every DB call properly
await-ed — missingawaitsilently discards the result
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 20d ago Changed 0d215af63286
- 2mo ago First seen · 116 lines · 42 tokens per session scan A 4440b4c349f9
db-reviewer is an agent published in the GitHub repository atra-consulting/coding-with-ai-lab (5 stars, last pushed 8d ago), licensed MIT. It adds 42 tokens to every session and 1,201 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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review-triager
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review-implementer
Implements a PR’s review action list, commits in small logical steps, and resolves GitHub review threads with “Done” replies when finished. Use when review-actions.md exists for a PR.
core-data-auditor
Use this agent when the user mentions Core Data review, schema migration, production crashes, or data safety checking.
database-reviewer
Use when reviewing schema changes, migrations, indexes, or query patterns — verifies reversibility, index strategy, and query-plan correctness against the db persona standards.
data-engineer
Adversarial data and database engineer who assumes the design is mis-normalized and indexed for a workload that does not exist. Audits schemas, migrations, queries, ORM code, document shapes, stream contracts, and pipelines against normalization, dimensional modeling, key-value access patterns, columnar and…
ring:backend-ts
Senior Backend Engineer specialized in TypeScript/Node.js for scalable systems. Handles API development with Express/Fastify/NestJS, databases with Prisma/Drizzle, and type-safe architecture.