Home / vanterx / mssql-performance-skills · skills/sqlerrorlog-review/SKILL.md · GitHub

sqlerrorlog-review skillA

sqlerrorlog-review is agent-read markdown (skill) from vanterx/mssql-performance-skills: Analyzes SQL Server ERRORLOG files for operational issues, availability group failures, memory pressure, I/O subsystem warnings, and security events. Use this skill whenever a SQL Server instance has experienced unexpected behavior, an AG failover, memory warnings, I/O latency alerts, or abnormal shutdown, and you need a structured timeline of what SQL Server recorded. Applies 33 checks (E1–E33) covering AG health, memory/resource pressure, I/O and storage, startup/shutdown, connectivity, config.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# SQL Server ERRORLOG Review Skill

## Purpose

Parse and analyze SQL Server ERRORLOG content to surface operational warnings, high-availability
failures, resource pressure signals, security events, and configuration anomalies. Applies 33
checks (E1–E33) across six categories:

- **E1–E8** — AG / High Availability: failovers, lease expiry, replica state changes, synchronization errors
- **E9–E14** — Memory and resource pressure: page allocation failures, OS paging, worker exhaustion, non-yielding schedulers
- **E15–E19** — I/O and storage: slow I/O subsystem, corruption warnings, tempdb exhaustion, log backup gaps, VLF proliferation
- **E20–E24** — Startup, shutdown, and connectivity: abnormal termination, restart cycling, login failure bursts, linked server errors
- **E25–E28** — Configuration and informational: trace flags, unconfigured max memory, log rotation gaps, version end-of-support
- **E29–E33** — SQL 2019/2022 modern features: ADR PVS cleanup stall, IQP DOP feedback, Ledger verification failure, CE feedback model change, Azure Arc agent disconnect

## Input

Accept any of:

- **File path** — path to the SQL Server ERRORLOG file (default location:
…

Read the whole file at its exact version.

How to install

Latest version
mdr add vanterx/mssql-performance-skills/sqlerrorlog-review@git:20260622.55f8c85
Exact content
mdr add vanterx/mssql-performance-skills/sqlerrorlog-review@sha256:f0457d3fa81f8a9f

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

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Versions

versioncommittedcommitsizeaudit
git:20260622.55f8c85 latest2026-06-22 55f8c85 35,348 BA view · diff
git:20260618.bc5c50b2026-06-18 bc5c50b 35,063 BA view · diff
git:20260607.6ff4f7a2026-06-07 6ff4f7a 35,038 BA view · diff
git:20260605.9ec0ebe2026-06-05 9ec0ebe 34,254 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (35348 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

vanterx/mssql-performance-skills · 5 stars · license MIT · pushed 2026-09-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_u3ejdk6ifqfn2sf4
GET https://markdownregistry.com/api/v1/resolve?ref=vanterx/mssql-performance-skills/sqlerrorlog-review
GET https://markdownregistry.com/api/v1/blob/f0457d3fa81f8a9fb9807a9b363ab8c79e6257f130428619d75c008ff2da47de

Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

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