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 agentmods add skills/vanterx/mssql-performance-skills/sqlmigration-reviewnpx skills add vanterx/mssql-performance-skills --skill sqlmigration-reviewgit clone --depth 1 https://github.com/vanterx/mssql-performance-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/vanterx/mssql-performance-skills/sqlmigration-review)<a href="https://agentmods.dev/skills/vanterx/mssql-performance-skills/sqlmigration-review"><img src="https://agentmods.dev/badge/skills/vanterx/mssql-performance-skills/sqlmigration-review.svg" alt="Measured on agentmods" 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 | $0.00140 | $0.04328 |
| Opus 5 | $0.00070 | $0.02164 |
| Sonnet 5 | $0.00028 | $0.00866 |
| Haiku 4.5 | $0.00014 | $0.00433 |
Grade A, and why
sqlmigration-review 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 5d 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 — 226 lines — stays where its author put it; the contents beside it link to each section on GitHub.
sqlmigration-review
Purpose
Reviews a planned or in-progress SQL Server migration for version, edition, and platform compatibility risk, then dispatches to companion skills for the object families a migration touches. This skill owns 15 checks (Y1–Y15) covering exactly one slice of migration risk — does the target SQL Server version/edition/platform support what the source actually uses, and does the cutover plan account for the source's own topology — and routes everything else:
- Version & Edition Compatibility (Y1–Y6) — edition-gated features, version downgrade risk, compatibility level ceiling, collation mismatch, discontinued features, In-Memory OLTP support
- Platform Compatibility — Azure SQL (Y7–Y9) — instance-scoped object support, Windows Authentication migration path, SQL Server Agent availability
- Migration Mechanism Readiness (Y10–Y13) — backup/restore chain integrity, recovery model, Always On AG edition limits for seeding
- Lifecycle (Y14) — source version support-end urgency
- Source Topology Transition (Y15) — Failover Cluster Instance client redirect planning
The dbatools.io Start-DbaMigration page is used only as a checklist of migration object types — every check and fix recipe in this skill family is built on native T-SQL system views, the in-box Microsoft SqlServer PowerShell module, and sqlcmd/bcp. No third-party PowerShell module is referenced or required.
For the security-object family (logins, permissions, credentials, certificates, CMS registrations), this skill dispatches to sqlmigration-security-review (15 checks, J1–J15). For the operational-object family (SQL Agent jobs, linked servers, Database Mail, backup devices, custom errors, server triggers, XE sessions, endpoints), it dispatches to sqlmigration-objects-review (16 checks, M1–M16). For overlap areas already covered by existing skills, it dispatches to those skills directly rather than duplicating checks.
What ships with it
6 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.
- 5d ago First seen · 226 lines · 140 tokens per session scan A 0f2c4aac288b
sqlmigration-review is a skill published in the GitHub repository vanterx/mssql-performance-skills (5 stars, last pushed 1mo ago), licensed MIT. It adds 140 tokens to every session and 4,328 once invoked, about $0.0007 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 2026-08-31.
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