sql-knowledge

sql-knowledge is a skill for Claude Code from hmohamed01/claude-code-plugins. It costs 94 tokens per session (1,821 once invoked), scanned A, original, no licence file.

A reference for SQL Server and T-SQL, the language used to query and manage Microsoft SQL Server databases.

In plain words
What is it for?
Writing and improving queries and stored procedures, reading execution plans, choosing indexes, and using advanced SQL features.
Why use it?
It helps developers write database code and investigate queries that are slow or difficult to maintain.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the sql-developer plugin — 1 skill, 1 command, 1 agent shipped together

Good fit Writing and improving queries and stored procedures, reading execution plans, choosing indexes, and using advanced SQL features.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hmohamed01/claude-code-plugins/sql-knowledge
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 hmohamed01/claude-code-plugins --skill sql-knowledge
Clone the repo
git clone --depth 1 https://github.com/hmohamed01/claude-code-plugins

Made for: Claude Code.

Or install sql-developer, the plugin that ships this one along with the rest of its 1 skill, 1 command, 1 agent.

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-knowledge

README.md
[![agentmods](https://agentmods.dev/badge/skills/hmohamed01/claude-code-plugins/sql-knowledge/github.svg)](https://agentmods.dev/skills/hmohamed01/claude-code-plugins/sql-knowledge)
Your own site
<a href="https://agentmods.dev/skills/hmohamed01/claude-code-plugins/sql-knowledge"><img src="https://agentmods.dev/badge/skills/hmohamed01/claude-code-plugins/sql-knowledge/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-knowledge

Your own site · 80×15
<a href="https://agentmods.dev/skills/hmohamed01/claude-code-plugins/sql-knowledge"><img src="https://agentmods.dev/badge/skills/hmohamed01/claude-code-plugins/sql-knowledge.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 94 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,821 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 unknown 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 $0.00094 $0.01821
Opus 5.5 $0.00038 $0.00728
Sonnet 5.5 $0.00019 $0.00364
Haiku 4.5 $0.00009 $0.00182

Measured 1mo ago against content hash d9b0a818bbf5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sql-knowledge 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.

sql-developer/skills/sql-knowledge/SKILL.md · 202 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 202 lines · 94 tokens per session scan A d9b0a818bbf5

Subscribe to this mod's changes

sql-knowledge is a skill published in the GitHub repository hmohamed01/claude-code-plugins (7 stars, last pushed 1mo ago), with no licence file. It adds 94 tokens to every session and 1,821 once invoked, about $0.0004 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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