db-security-access

db-security-access is a skill for Claude Code from Hainrixz/claude-db. It costs 55 tokens per session (1,132 once invoked), scanned A, original, MIT.

A security audit module for databases that checks access rules, personal data, secrets, encryption, and unsafe SQL construction. It includes PostgreSQL and Supabase checks such as Row-Level Security, which limits which users or tenants can see each row.

In plain words
What is it for?
Use it to review database schemas, migrations, and connection settings for row access control, personal-data protection, secret storage, TLS, and SQL-injection risks.
Why use it?
It finds ways a database could expose users’ records, credentials, or personal information. It also identifies weak transport encryption and SQL built by unsafe string concatenation.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the claude-db plugin — 36 skills, 6 agents, 1 hook shipped together

Good fit Use it to review database schemas, migrations, and connection settings for row access control, personal-data protection, secret storage, TLS, and SQL-injection risks.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hainrixz/claude-db/db-security-access
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Hainrixz/claude-db --skill db-security-access
Clone the repo
git clone --depth 1 https://github.com/Hainrixz/claude-db

Made for: Claude Code.

Or install claude-db, the plugin that ships this one along with the rest of its 36 skills, 6 agents, 1 hook.

Wrote 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.

agentmods badge for db-security-access

README.md
[![agentmods](https://agentmods.dev/badge/skills/hainrixz/claude-db/db-security-access.svg)](https://agentmods.dev/skills/hainrixz/claude-db/db-security-access)
Your own site
<a href="https://agentmods.dev/skills/hainrixz/claude-db/db-security-access"><img src="https://agentmods.dev/badge/skills/hainrixz/claude-db/db-security-access.svg" alt="Measured on agentmods" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,132 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00055 $0.01132
Opus 5 $0.00028 $0.00566
Sonnet 5 $0.00011 $0.00226
Haiku 4.5 $0.00006 $0.00113

Measured 7d ago against content hash b5a40f82b344, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

db-security-access 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 7d 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.

skills/db-security-access/SKILL.md · 78 lines

How it starts

The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.

db-security-access (M10)

Security is a Design & Integrity (axis design) concern: a schema can be perfectly normalized and still leak every row. This module checks who can read/write data and whether the data itself is protected at rest and in flight. RLS-off on a relied-on multi-tenant/Supabase table and plaintext secrets/SQL-injection are severity-5 caps.

What it checks

  1. Row-Level Security (RLS) — on Postgres/Supabase, is RLS enabled on tables that hold per-tenant or per-user rows and are reached by a non-superuser/anon/authenticated role? RLS off on such a table is severity:5, fail. (Tenant isolation logic lives in M9; M10 owns the on/off state.)
  2. PII exposure — columns whose names/types imply personal data (email, ssn, phone, dob, address, card/pan) stored without encryption/tokenization, or logged.
  3. Plaintext secrets in schema — passwords, API keys, tokens stored as text/varchar with no hashing note, or literal credentials embedded in DDL/migrations/defaults. severity:5.
  4. Encryption in transit — connection config forcing sslmode=disable (or no TLS on a remote host) is severity:4. Encryption at-rest absence is flagged where statically visible.
  5. SQL injection — raw string concatenation / f-strings / template literals building SQL with user input (visible in ORM source or migration helpers). severity:5, design.

Score / axis

Feeds design only (category Seguridad, relational weight 14 shared with M9/M20/M21; analogous Seguridad category in every NoSQL profile).

Tier-0 (static)

Parse DDL/migrations/ORM source and connection config: detect text-typed secret columns, literal credentials (cross-checked against redactSecrets()), sslmode=disable, raw-concat SQL, and PII-named columns. RLS enablement (ALTER TABLE … ENABLE ROW LEVEL SECURITY) is detectable in declarative DDL; when RLS state cannot be confirmed from files it is needs_api (never a silent pass).

Read the full file on GitHub · 78 lines

Changes

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.

  1. 7d ago First seen · 78 lines · 55 tokens per session scan A b5a40f82b344

Subscribe to this mod's changes

db-security-access is a skill published in the GitHub repository Hainrixz/claude-db (19 stars, last pushed 2mo ago), licensed MIT. It adds 55 tokens to every session and 1,132 once invoked, about $0.0003 per session on Opus 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 2026-08-30.

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