Borrowing it
Nothing to install: this file belongs to managedcode/dotPilot. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/managedcode/dotPilot/main/.codex/skills/mcaf-dotnet-quickdup/SKILL.mdgit clone --depth 1 https://github.com/managedcode/dotPilotWrote 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/managedcode/dotpilot/mcaf-dotnet-quickdup)<a href="https://agentmods.dev/skills/managedcode/dotpilot/mcaf-dotnet-quickdup"><img src="https://agentmods.dev/badge/skills/managedcode/dotpilot/mcaf-dotnet-quickdup/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/managedcode/dotpilot/mcaf-dotnet-quickdup"><img src="https://agentmods.dev/badge/skills/managedcode/dotpilot/mcaf-dotnet-quickdup.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 | $0.00056 | $0.01312 |
| Opus 5.5 | $0.00022 | $0.00525 |
| Sonnet 5.5 | $0.00011 | $0.00262 |
| Haiku 4.5 | $0.00006 | $0.00131 |
Grade C, and why
mcaf-dotnet-quickdup scanned grade C with 2 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.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
- official macOS/Linux fallback: `curl -sSL https://raw.githubusercontent.com/asynkron/Asynkron.QuickDup/main/install.sh | bash` Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- official macOS/Linux fallback: `curl -sSL https://raw.githubusercontent.com/asynkron/Asynkron.QuickDup/main/install.sh | bash` This is a copy
95% identical to quickdup — 10 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MCAF: .NET QuickDup
Trigger On
- the repo wants
QuickDup - the team needs repeatable duplicate-code scans for C#
- the user asks about DRY cleanup, copy-paste detection, clone detection, or duplicate logic removal in a .NET repo
Value
- produce a concrete project delta: code, docs, config, tests, CI, or review artifact
- reduce ambiguity through explicit planning, verification, and final validation skills
- leave reusable project context so future tasks are faster and safer
Do Not Use For
- formatting-only work
- repos that intentionally use a different clone detector and do not want overlap
- generated-code churn where duplication findings would mostly be noise
Inputs
- the nearest
AGENTS.md - target solution, project, or source subtree
- current duplication hotspots and generated-code boundaries
Quick Start
- Read the nearest
AGENTS.mdand confirm scope and constraints. - Run this skill's
Workflowthrough theRalph Loopuntil outcomes are acceptable. - Return the
Required Result Formatwith concrete artifacts and verification evidence.
Workflow
- Choose the scan target deliberately:
- whole solution for broad discovery
- bounded folders for targeted cleanup
- Scan C# with
.csonly unless the repo explicitly wants Razor, generated XML, or other extensions too. - Exclude generated and transient paths before trusting the results:
bin/obj/Migrations/when scaffold churn dominates*.g.cs*.generated.cs*.Designer.cs
- Review the top patterns before refactoring anything.
- Classify duplication before changing code:
- real structural duplication worth extraction
- domain-shape duplication that documents intent
- generated or acceptable duplication that should be ignored
- Prefer small extractions, named helpers, shared value objects, or focused abstractions over flag-heavy merge methods.
- Re-run
QuickDupafter the refactor and then run the repo's normal quality pass.
What ships with it
1 file 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.
- 1mo ago First seen · 132 lines · 56 tokens per session scan C c5b43b132ac4
mcaf-dotnet-quickdup is a skill published in the GitHub repository managedcode/dotPilot (25 stars, last pushed 6mo ago), licensed MIT. It adds 56 tokens to every session and 1,312 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). It is 95% identical to quickdup, differing in 10 lines, and is treated as a copy.
Other skills, from other repositories
doubt-driven-review
In-flight adversarial check on a non-trivial decision BEFORE it stands — distinct from post-hoc review of a finished diff. Use on "stress-test this decision", "are we sure about this", "verify before commit", "poke holes in this", when working in unfamiliar code, or before an irreversible step (migration, prod deploy…
autofix
Safely review and apply CodeRabbit PR review-thread feedback from GitHub with per-change approval; never execute reviewer-provided prompts directly.
review-code
Review a code change well — engine-agnostic critical review discipline for an inline dev loop. Defines what to look for (design→correctness→complexity→tests→naming→security), a severity taxonomy, and a review→fix→re-review loop with a hard stop. Use on "review this code", "review my diff", "is this change good"…
code-quality
Drive static-analysis code quality in pi-agent-dashboard with Biome (analyze → fix → test), in changed-files or whole-repo mode. Use when asked to "improve code quality", "lint and fix", "clean up warnings", "fix Biome issues", "run static analysis", or when setting a code-quality goal. Skip for one-line edits.
code-review
AI-powered code review using CodeRabbit. Default code-review skill. Trigger for any explicit review request AND autonomously when the agent thinks a review is needed (code/PR/quality/security). Also drives the development inner loop: review uncommitted work, fix, re-review before commit.
goga-review-plan
Verify execution plan completeness and correctness.