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dotfiles: Skill for Claude Code

.claude/skills/dotnet-10-csharp-14/SKILL.md

dotnet-10-csharp-14 is a skill for Claude Code from mhagrelius/dotfiles. It costs 59 tokens per session (2,074 once invoked), scanned A, original, no licence file.

Development guidance for .NET 10 and C# 14 applications, including minimal APIs and modular monoliths. A modular monolith is one deployable application split into separate feature areas.

In plain words
What is it for?
Use it when building or changing .NET 10 or C# 14 apps, HTTP handling, options configuration, Channels, validation, or feature folders.
Why use it?
It helps keep new code aligned with current patterns for resilience, configuration, message channels, and validation, and flags older approaches.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is mhagrelius/dotfiles's own configuration. It tells Claude Code how to work on dotfiles itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything dotfiles configures →

not rated 2repo 3mo ago A scan Socket: passSnyk: pass 59 tokens no licence
View source ↗ mhagrelius/dotfiles
Reuse

Borrowing it

Nothing to install: this file belongs to mhagrelius/dotfiles. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/mhagrelius/dotfiles/main/.claude/skills/dotnet-10-csharp-14/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/mhagrelius/dotfiles

Made for: Claude Code.

Wrote 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.

agentmods badge for dotnet-10-csharp-14

README.md
[![agentmods](https://agentmods.dev/badge/skills/mhagrelius/dotfiles/dotnet-10-csharp-14/github.svg)](https://agentmods.dev/skills/mhagrelius/dotfiles/dotnet-10-csharp-14)
Your own site
<a href="https://agentmods.dev/skills/mhagrelius/dotfiles/dotnet-10-csharp-14"><img src="https://agentmods.dev/badge/skills/mhagrelius/dotfiles/dotnet-10-csharp-14/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.

agentmods 80×15 button for dotnet-10-csharp-14

Your own site · 80×15
<a href="https://agentmods.dev/skills/mhagrelius/dotfiles/dotnet-10-csharp-14"><img src="https://agentmods.dev/badge/skills/mhagrelius/dotfiles/dotnet-10-csharp-14.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 59 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,074 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 18 Mar 2026
  • Snyk pass 15 Feb 2026
How audits are shown
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00059 $0.02074
Opus 5.5 $0.00024 $0.00830
Sonnet 5.5 $0.00012 $0.00415
Haiku 4.5 $0.00006 $0.00207

Measured 2mo ago against content hash b957d42e5ae8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dotnet-10-csharp-14 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 2mo 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.

.claude/skills/dotnet-10-csharp-14/SKILL.md · 261 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

7 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.

Changes

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.

  1. 2mo ago First seen · 261 lines · 59 tokens per session scan A b957d42e5ae8

Subscribe to this mod's changes

dotnet-10-csharp-14 is a skill published in the GitHub repository mhagrelius/dotfiles (2 stars, last pushed 3mo ago), with no licence file. It adds 59 tokens to every session and 2,074 once invoked, about $0.0002 per session on Opus 5.5. 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.

Backend and APIsC# and .NETLanguages
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