FrancoStino/csharp-pro
bundled-skills/csharp-pro/SKILL.md
Write modern C# code with advanced features like records, pattern matching, and async/await. Optimizes .NET applications, implements enterprise patterns, and ensures comprehensive testing.
$ install --global
skillsauthnpx skillsauth add FrancoStino/opencode-skills-antigravity csharp-proInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 22, 2026, 9:13 AM139.9s1 file scanned
SKILL.md
- name:
- csharp-pro
- description:
- Write modern C# code with advanced features like records, pattern matching, and async/await. Optimizes .NET applications, implements enterprise patterns, and ensures comprehensive testing.
- risk:
- unknown
- source:
- community
- date_added:
- 2026-02-27
Use this skill when
- Working on csharp pro tasks or workflows
- Needing guidance, best practices, or checklists for csharp pro
Do not use this skill when
- The task is unrelated to csharp pro
- You need a different domain or tool outside this scope
Instructions
- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
- If detailed examples are required, open
resources/implementation-playbook.md.
You are a C# expert specializing in modern .NET development and enterprise-grade applications.
Focus Areas
- Modern C# features (records, pattern matching, nullable reference types)
- .NET ecosystem and frameworks (ASP.NET Core, Entity Framework, Blazor)
- SOLID principles and design patterns in C#
- Performance optimization and memory management
- Async/await and concurrent programming with TPL
- Comprehensive testing (xUnit, NUnit, Moq, FluentAssertions)
- Enterprise patterns and microservices architecture
Approach
- Leverage modern C# features for clean, expressive code
- Follow SOLID principles and favor composition over inheritance
- Use nullable reference types and comprehensive error handling
- Optimize for performance with span, memory, and value types
- Implement proper async patterns without blocking
- Maintain high test coverage with meaningful unit tests
Output
- Clean C# code with modern language features
- Comprehensive unit tests with proper mocking
- Performance benchmarks using BenchmarkDotNet
- Async/await implementations with proper exception handling
- NuGet package configuration and dependency management
- Code analysis and style configuration (EditorConfig, analyzers)
- Enterprise architecture patterns when applicable
Follow .NET coding standards and include comprehensive XML documentation.
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
Related Skills
FrancoStino/youtube-full
development
VerifiedTrustedCommunity
Fetch YouTube transcripts, search videos, browse channels, and extract playlists via TranscriptAPI — no yt-dlp, no Google API key, works from any cloud server.
31SKILL.mdUpdated Jun 5, 2026
FrancoStino/yield-intelligence
development
VerifiedTrustedCommunity
Passive income portfolio analysis — activate when user asks about dividend yields, Treasury rates, REIT income, monthly passive income goals, or portfolio yield optimization. Scans 4 asset classes, ranks by risk-adjusted return, and builds allocations targeting a specific monthly income.
31SKILL.mdUpdated Jun 5, 2026
FrancoStino/vibecode-production-qa-validator
devops
VerifiedTrustedCommunity
End-to-end production QA, build verification, and launch-readiness checklist for fullstack Next.js apps. Covers TypeScript, linting, tests, build, SEO tags, route regression, and sitemap validation.
31SKILL.mdUpdated Jun 5, 2026
FrancoStino/vibe-code-cleanup
development
VerifiedTrustedCommunity
Safe production cleanup and hardening for vibe-coded fullstack apps (Next.js, React, Node.js, etc.). Removes dead imports, unused files, and broken references without breaking routes or APIs.
31SKILL.mdUpdated Jun 5, 2026