Ultra-compressed code review comments — one line per finding: location, problem, fix.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
Write code review comments terse and actionable. One line per finding. Location, problem, fix. No throat-clearing.
> **Scope:** This skill governs **review tone** (terse, signal-only, no praise, no nits). For the **posting mechanism** (inline GitHub PR comments, suggestion blocks, severity-event mapping that prevents "approve while flagging bugs" contradictions) see `orc-inline-review`. The two compose: comment bodies follow caveman-review tone; the inline-review skill handles how those bodies get posted.
## Rules
**Format:** `L<line>: <problem>. <fix>.` — or `<file>:L<line>: ...` when reviewing multi-file diffs.
**Severity prefix (optional, when mixed):**
- `🔴 bug:` — broken behavior, will cause incident
- `🟡 risk:` — works but fragile (race, missing null check, swallowed error)
- `🔵 nit:` — style, naming, micro-optim. Author can ignore
- `❓ q:` — genuine question, not a suggestion
**Drop:**
- "I noticed that...", "It seems like...", "You might want to consider..."
- "This is just a suggestion but..." — use `nit:` instead
- "Great work!", "Looks good overall but..." — say it once at the top, not per comment
- Restating what the line does — the reviewer can read the diff
…
The line at the top of this page pins the label git:20261106.693b476, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (3258 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
higoralves/orc · 7 stars · license MIT · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_7anm6vraileyak52
GET https://markdownregistry.com/api/v1/resolve?ref=higoralves/orc/caveman-review
GET https://markdownregistry.com/api/v1/blob/8d2420bb59fffa53366d9c3072b3681df0d6817a150f633f26a69b89bce21b7c
Your AI assistant 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.
higoralves/orc · adapters/codex/content/skills/playwright-qa/SKILL.md · Playwright QA on Codex with preconfigured test agents and MCP; otherwise use the agent-browser driver.
higoralves/orc · codex/orc/content/skills/adr-writing/SKILL.md · Author and update Architecture Decision Records (ADRs) — the durable record of a decision and its trade-offs, in…
higoralves/orc · codex/orc/content/skills/agent-browser/SKILL.md · Browser automation CLI for AI agents; use for web tasks - navigate, click, fill forms, screenshot, scrape, test…
higoralves/orc · codex/orc/content/skills/callouts/SKILL.md · The orc callout palette — emoji-header blockquotes in conversation, GitHub-flavored [!TYPE] form for GitHub-bound output
higoralves/orc · codex/orc/content/skills/ci-routing/SKILL.md · The canonical route-on-verdict protocol for a red CI diagnosis — fixable/flake/infra/needs-debug handling, the…
higoralves/orc · codex/orc/content/skills/code-discovery/SKILL.md · Use when discovering or navigating a codebase before planning, implementing, debugging, or refactoring — prefer a…
juliusbrussee/caveman · skills/caveman-review/SKILL.md · Compressed code review - one line per finding with location, problem and fix. Use for /caveman-review, "review this…
hoangnguyen0403/agent-skills-standard · .agents/skills/caveman-review/SKILL.md · Ultra-compressed code review comments. Cuts noise from PR feedback while preserving the actionable signal. Each comment…
skillmds/skillmd · plugins/code-security-review-pipeline/skills/caveman-review/SKILL.md · Ultra-compressed code review comments. Cuts noise from PR feedback while preserving the actionable signal. Each comment…
eltmon/overdeck · src/lib/caveman/skills/caveman-review/SKILL.md · Ultra-compressed code review comments. Cuts noise from PR feedback while preserving the actionable signal. Each comment…
chinkan/rustfox · .agents/skills/caveman-review/SKILL.md · Ultra-compressed code review comments. Cuts noise from PR feedback while preserving the actionable signal. Each comment…
chadixearth/graphyloop · skills/caveman-review/SKILL.md · Ultra-compressed code review comments. Cuts noise from PR feedback while preserving the actionable signal. Each comment…