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Agent skill

Mcaf Dotnet Meziantou Analyzer

by managedcode in managedcode/Storage

Use the open-source free Meziantou.Analyzer package for design, usage, security, performance, and style rules in .NET.

MITAuto-check passedAgent Workflows

Install Mcaf Dotnet Meziantou Analyzer

skills CLI
$ npx skills add managedcode/Storage --skill mcaf-dotnet-meziantou-analyzer -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install managedcode/Storage mcaf-dotnet-meziantou-analyzer --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/managedcode/Storage.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/mcaf-dotnet-meziantou-analyzer .claude/skills/mcaf-dotnet-meziantou-analyzer && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
mcaf-dotnet-meziantou-analyzer
GitHub stars
138
Token cost
~955 tokens
SKILL.md length
465 words
Files
2 (incl. references)
Skills in repo
41
Repo updated
First seen
Licence
MIT

At a glance

Use the open-source free Meziantou.Analyzer package for design, usage, security, performance, and style rules in .NET.

  • Works in 3 steps: Read the nearest AGENTS.md and confirm… → Run this skill's Workflow through the… → Return the Required Result Format with…
  • A repo wants broader analyzer coverage with a single NuGet package
  • SKILL.md covers Trigger On, Value, Do Not Use For and Inputs, plus 8 more sections
  • Calls dotnet and rg

What it does

Mcaf Dotnet Meziantou Analyzer is an agent skill from managedcode/Storage. Use the open-source free Meziantou.Analyzer package for design, usage, security, performance, and style rules in .NET. Use when a repo wants broader analyzer coverage with a single NuGet package.

Its SKILL.md is about 960 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/meziantou-analyzer.md`). Compatibility notes: Requires a .NET SDK-based repository; respects the repo's AGENTS.md commands first.

It sits in Agent Workflows, covering Plain language and style rules. It works with .NET. The repository describes itself as: Storage library provides a universal interface for accessing and manipulating data in different cloud blob storage providers. The licence is MIT.

When your agent uses it

  • A repo wants broader analyzer coverage with a single NuGet package
  • Tasks that involve Plain language and style rules

Example prompts

  • “/mcaf-dotnet-meziantou-analyzer”

Requirements

  • Compatibility (from SKILL.md): Requires a .NET SDK-based repository; respects the repo's `AGENTS.md` commands first.

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Read the nearest AGENTS.md and confirm scope and constraints.
  2. Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
  3. Return the Required Result Format with concrete artifacts and verification evidence.

What it can do on your machine

Read from SKILL.md and the folder at commit 5d32121. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • dotnet
    • rg

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Requires a .NET SDK-based repository; respects the repo's `AGENTS.md` commands first.

    From compatibility in the SKILL.md frontmatter.

Context cost

Mcaf Dotnet Meziantou Analyzer loads about 955 tokens when it runs, and up to ~1.1k if it reads all its reference files. Until then it costs about 57 tokens; SKILL.md has 465 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~57
When it runs · the whole SKILL.md, loaded when a task matches
~955
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from managedcode/Storage at commit 5d32121, republished under its MIT licence (© managedcode). 465 words, ~955 tokens.

Download SKILL.mdSave it as .claude/skills/mcaf-dotnet-meziantou-analyzer/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
mcaf-dotnet-meziantou-analyzer
description
Use the open-source free `Meziantou.Analyzer` package for design, usage, security, performance, and style rules in .NET. Use when a repo wants broader analyzer coverage with a single NuGet package.
compatibility
Requires a .NET SDK-based repository; respects the repo's `AGENTS.md` commands first.

MCAF: .NET Meziantou.Analyzer

Trigger On

  • the repo uses or wants Meziantou.Analyzer
  • the team wants one analyzer pack that covers design, usage, security, performance, and style

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

  • repos that already enforce an overlapping analyzer baseline and do not want extra diagnostics
  • formatting-only work

Inputs

  • the nearest AGENTS.md
  • current analyzer packages
  • .editorconfig

Quick Start

  1. Read the nearest AGENTS.md and confirm scope and constraints.
  2. Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
  3. Return the Required Result Format with concrete artifacts and verification evidence.

Workflow

  1. Add Meziantou.Analyzer when the repo wants broader rules than the SDK baseline.
  2. Keep rule severity in the repo-root .editorconfig.
  3. Review overlaps with SDK analyzers and Roslynator before mass-enabling everything as errors.

Bootstrap When Missing

If Meziantou.Analyzer is not configured yet:

  1. Detect current state:
    • rg -n "Meziantou\\.Analyzer" -g '*.csproj' .
  2. Add the package to the intended scope (project-level or shared props strategy):
    • dotnet add PROJECT.csproj package Meziantou.Analyzer
  3. Set severity in root .editorconfig for the enabled MAxxxx rules.
  4. Keep overlap with SDK analyzers and Roslynator explicit to avoid duplicate noise.
  5. Run dotnet build SOLUTION_OR_PROJECT and return status: configured or status: improved.
  6. If the repo intentionally keeps a smaller analyzer surface, return status: not_applicable.

Deliver

  • explicit Meziantou package setup
  • repo-owned severity and warning policy

Validate

  • the added rules are understood by the team
  • CI runs stay actionable instead of noisy
Show full SKILL.md (194 more words)Show less

Ralph Loop

Use the Ralph Loop for every task, including docs, architecture, testing, and tooling work.

  1. Plan first (mandatory):
    • analyze current state
    • define target outcome, constraints, and risks
    • write a detailed execution plan
    • list final validation skills to run at the end, with order and reason
  2. Execute one planned step and produce a concrete delta.
  3. Review the result and capture findings with actionable next fixes.
  4. Apply fixes in small batches and rerun the relevant checks or review steps.
  5. Update the plan after each iteration.
  6. Repeat until outcomes are acceptable or only explicit exceptions remain.
  7. If a dependency is missing, bootstrap it or return status: not_applicable with explicit reason and fallback path.
Required Result Format
  • status: complete | clean | improved | configured | not_applicable | blocked
  • plan: concise plan and current iteration step
  • actions_taken: concrete changes made
  • validation_skills: final skills run, or skipped with reasons
  • verification: commands, checks, or review evidence summary
  • remaining: top unresolved items or none

For setup-only requests with no execution, return status: configured and exact next commands.

Load References

  • read references/meziantou-analyzer.md first

Example Requests

  • "Add Meziantou analyzers to the repo."
  • "Use Meziantou for extra quality and security checks."

© managedcode, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in .codex/skills/mcaf-dotnet-meziantou-analyzer of managedcode/Storage.

  • SKILL.md
  • references/meziantou-analyzer.md

Open the folder on GitHubat commit 5d32121

Compare with similar skills

Mcaf Dotnet Meziantou Analyzer next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Mcaf Dotnet Meziantou Analyzer compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Mcaf Dotnet Meziantou Analyzer this skillmanagedcode/Storage138—~955Automated safety check: PassMIT
Analyzer Configmanagedcode/dotnet-skills486—~1.3kAutomated safety check: PassMIT
Meziantou Analyzermanagedcode/dotnet-skills486—~1.1kAutomated safety check: PassMIT
Stylecop Analyzersmanagedcode/dotnet-skills486—~1.2kAutomated safety check: PassMIT
Caveman ModeJuliusBrussee/caveman110k—~1kAutomated safety check: PassApache-2.0
Revit Extensions AuthoringNice3point/RevitExtensions168—~2.4kAutomated safety check: PassMIT

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Works with

Categories

Questions about Mcaf Dotnet Meziantou Analyzer

What does Mcaf Dotnet Meziantou Analyzer do?

Use the open-source free Meziantou.Analyzer package for design, usage, security, performance, and style rules in .NET. Mcaf Dotnet Meziantou Analyzer is an agent skill from managedcode/Storage.NET.

When should I use Mcaf Dotnet Meziantou Analyzer?

Mcaf Dotnet Meziantou Analyzer fits situations like: A repo wants broader analyzer coverage with a single NuGet package; tasks that involve Plain language and style rules.

How do I install Mcaf Dotnet Meziantou Analyzer in Claude Code?

Run `npx skills add managedcode/Storage --skill mcaf-dotnet-meziantou-analyzer -a claude-code`. Or copy the skill folder (.codex/skills/mcaf-dotnet-meziantou-analyzer in managedcode/Storage) into .claude/skills/mcaf-dotnet-meziantou-analyzer in your project. Claude Code loads it when a task matches its description.

How do I install Mcaf Dotnet Meziantou Analyzer in Codex?

Run `npx skills add managedcode/Storage --skill mcaf-dotnet-meziantou-analyzer -a codex`. Or copy the skill folder (.codex/skills/mcaf-dotnet-meziantou-analyzer in managedcode/Storage) into .agents/skills/mcaf-dotnet-meziantou-analyzer in your project. Codex loads it when a task matches its description.

Can I use Mcaf Dotnet Meziantou Analyzer in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add managedcode/Storage --skill mcaf-dotnet-meziantou-analyzer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mcaf-dotnet-meziantou-analyzer, .gemini/skills/mcaf-dotnet-meziantou-analyzer, .github/skills/mcaf-dotnet-meziantou-analyzer and .opencode/skills/mcaf-dotnet-meziantou-analyzer in your project.

What does Mcaf Dotnet Meziantou Analyzer need to run?

Going by SKILL.md and its folder, Mcaf Dotnet Meziantou Analyzer needs the command-line tools its instructions call (dotnet and rg). Compatibility (from SKILL.md): Requires a .NET SDK-based repository; respects the repo's `AGENTS.md` commands first..

Does Mcaf Dotnet Meziantou Analyzer access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Mcaf Dotnet Meziantou Analyzer safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Mcaf Dotnet Meziantou Analyzer use?

Mcaf Dotnet Meziantou Analyzer is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Mcaf Dotnet Meziantou Analyzer use?

About 955 tokens (SKILL.md is roughly 3.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 193 tokens, read only when the agent opens those files.

What are the alternatives to Mcaf Dotnet Meziantou Analyzer?

Skills that share tags, products or a category with Mcaf Dotnet Meziantou Analyzer: Analyzer Config (managedcode/dotnet-skills, 486 stars), Meziantou Analyzer (managedcode/dotnet-skills, 486 stars), Stylecop Analyzers (managedcode/dotnet-skills, 486 stars) and Caveman Mode (JuliusBrussee/caveman, 110k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Mcaf Dotnet Meziantou Analyzer?

managedcode (a GitHub organization) maintains it in managedcode/Storage, which has 138 GitHub stars. The repository holds 41 skills in this directory. The repository was last updated on October 7, 2026.

Source: managedcode/Storage on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.