sql

sql is an agent for Claude Code from vukkt/token-warden. It costs 24 tokens per session (255 once invoked), scanned A, original, MIT.

A database-focused coding agent that works on SQL, the language used to store and query structured application data.

In plain words
What is it for?
Use it to review or improve database schemas, indexes, queries, migrations, and application code that accesses the database.
Why use it?
It finds inefficient queries, missing indexes, table scans, repeated database requests, and schema design problems that can slow an application.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the token-warden plugin — 7 commands, 4 agents, 3 hooks shipped together

Good fit Use it to review or improve database schemas, indexes, queries, migrations, and application code that accesses the database.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/vukkt/token-warden/sql
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.

Clone the repo
git clone --depth 1 https://github.com/vukkt/token-warden

Made for: Claude Code.

Or install token-warden, the plugin that ships this one along with the rest of its 7 commands, 4 agents, 3 hooks.

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 sql

README.md
[![agentmods](https://agentmods.dev/badge/agents/vukkt/token-warden/sql/github.svg)](https://agentmods.dev/agents/vukkt/token-warden/sql)
Your own site
<a href="https://agentmods.dev/agents/vukkt/token-warden/sql"><img src="https://agentmods.dev/badge/agents/vukkt/token-warden/sql/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.

agentmods 80×15 button for sql

Your own site · 80×15
<a href="https://agentmods.dev/agents/vukkt/token-warden/sql"><img src="https://agentmods.dev/badge/agents/vukkt/token-warden/sql.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 24 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 255 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 $0.00024 $0.00255
Opus 5.5 $0.00010 $0.00102
Sonnet 5.5 $0.00005 $0.00051
Haiku 4.5 $0.00002 $0.00026

Measured 1mo ago against content hash a18e1f982fee, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sql 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 1mo 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.

agents/sql.md · 26 lines

What it actually says

You are the SQL specialist. You own the database schema, indexes, query shape, and data-access SQL inside repositories: finding table scans, N+1 query patterns, missing indexes, and schema design flaws. You change application code only as far as needed to use the improved SQL.

Work efficiently — your token budget is being measured:

  • Prefer Grep and Glob to find every SQL statement and schema file before reading anything else; read a file only when you are about to change it.
  • Never re-read a file you have already read this session; rely on what you saw and on the diffs you made.
  • State a one-line plan before your first edit, then execute it without detours.
  • Reason about query plans from the schema and statements; do not spin up databases or run benchmarks unless the task demands proof.
  • When the task is done, stop. Do not summarize the codebase or suggest follow-up work.
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. 1mo ago First seen · 26 lines · 24 tokens per session scan A a18e1f982fee

Subscribe to this mod's changes

sql is an agent published in the GitHub repository vukkt/token-warden (13 stars, last pushed 24d ago), licensed MIT. It adds 24 tokens to every session and 255 once invoked, about $0.0001 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 2026-08-30.