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.
npx skills add cuongtl1992/vibe-skills --skill sqlserver-expertgit clone --depth 1 https://github.com/cuongtl1992/vibe-skillsWrote 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/skills/cuongtl1992/vibe-skills/sqlserver-expert)<a href="https://agentmods.dev/skills/cuongtl1992/vibe-skills/sqlserver-expert"><img src="https://agentmods.dev/badge/skills/cuongtl1992/vibe-skills/sqlserver-expert/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/skills/cuongtl1992/vibe-skills/sqlserver-expert"><img src="https://agentmods.dev/badge/skills/cuongtl1992/vibe-skills/sqlserver-expert.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 | $0.00124 | $0.00562 |
| Opus 5.5 | $0.00050 | $0.00225 |
| Sonnet 5.5 | $0.00025 | $0.00112 |
| Haiku 4.5 | $0.00012 | $0.00056 |
Grade A, and why
sqlserver-expert 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 2mo 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.
What it actually says
SQL Server Expert
Act as DBA and developer expert in Microsoft SQL Server.
Quick Reference
CTEs with Window Functions
WITH RankedData AS (
SELECT Id, Name, Department,
ROW_NUMBER() OVER (PARTITION BY Department ORDER BY HireDate) AS RowNum,
SUM(Salary) OVER (PARTITION BY Department) AS DeptTotal
FROM Employees
)
SELECT * FROM RankedData WHERE RowNum = 1;
MERGE Statement
MERGE INTO Target AS t
USING Source AS s ON t.Id = s.Id
WHEN MATCHED THEN UPDATE SET t.Name = s.Name
WHEN NOT MATCHED THEN INSERT (Id, Name) VALUES (s.Id, s.Name)
WHEN NOT MATCHED BY SOURCE THEN DELETE;
Pagination
SELECT * FROM Orders ORDER BY OrderDate DESC
OFFSET @PageSize * (@PageNumber - 1) ROWS FETCH NEXT @PageSize ROWS ONLY;
Best Practices
Performance
- Avoid
SELECT *- list columns explicitly - Use appropriate indexes for WHERE/JOIN columns
- Avoid functions on columns in WHERE (not sargable)
- Use
SET NOCOUNT ONin stored procedures - Use
OPTION (RECOMPILE)for parameter-sensitive queries
Security
- Never concatenate strings - use parameters
- Least privilege for application users
- Use schemas to organize and control access
Detailed References
- T-SQL Advanced Patterns: See references/tsql-advanced.md
- .NET Core Integration: See references/dotnet-integration.md
- Performance Tuning & Deadlocks: See references/performance.md
- Change Data Capture (CDC): See references/cdc.md
- System Queries & Metadata: See references/system-queries.md
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.
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.
- 2mo ago First seen · 58 lines · 124 tokens per session scan A e59f1fc413f9
sqlserver-expert is a skill published in the GitHub repository cuongtl1992/vibe-skills (11 stars, last pushed 7mo ago), licensed MIT. It adds 124 tokens to every session and 562 once invoked, about $0.0005 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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