Ln 712 Nuget Upgrader

ln-712-nuget-upgrader

Upgrades .NET NuGet packages with breaking change handling

majiayu000/claude-skill-registry·0installs663stars

SKILL.md

Full skill instructions

ln-712-nuget-upgrader

Type: L3 Worker Category: 7XX Project Bootstrap Parent: ln-710-dependency-upgrader

Upgrades .NET NuGet packages with automatic breaking change detection and migration.

Overview

Aspect	Details
Input	Solution/project path
Output	Updated .csproj files, migration report
Supports	.NET 6, 7, 8, 9, 10

Workflow

See diagram.html for visual workflow.

Phases: Pre-flight → Find Projects → Security Audit → Check Outdated → Identify Breaking → Apply Upgrades → Restore & Build → Report

Phase 0: Pre-flight Checks

Check	Required	Action if Missing
.csproj file(s)	Yes	Block upgrade
.sln file	No	Use csproj discovery instead

Workers assume coordinator (ln-710) already verified git state and created backup.

Phase 1: Find Projects

Discovery Methods

Method	Command
Find .csproj	`Get-ChildItem -Recurse -Filter *.csproj`
From solution	`dotnet sln list`

Phase 2: Security Audit

Commands

Check	Command
Vulnerable packages	`dotnet list package --vulnerable`
Outdated packages	`dotnet list package --outdated`

Actions

Severity	Action
Critical	Block upgrade, report
High	Warn, continue
Moderate/Low	Log only

Phase 3: Check Outdated

Using dotnet-outdated

Step	Command
Install tool	`dotnet tool install --global dotnet-outdated-tool`
Check	`dotnet outdated --output json`

Phase 4: Identify Breaking Changes

Detection

Compare current vs latest major versions
Check breaking_changes_patterns.md
Use MCP tools (see below) for migration guides

Common Breaking Changes

Package	Breaking Version	Key Changes
Microsoft.EntityFrameworkCore	8 → 9	Query changes, migration format
Serilog.AspNetCore	7 → 8	Configuration format
Swashbuckle.AspNetCore	6 → 7	Minimal API support

MCP Tools for Migration Search

Priority Order (Fallback Strategy)

Priority	Tool	When to Use
1	mcp__context7__query-docs	First choice for library docs
2	mcp__Ref__ref_search_documentation	Official Microsoft docs
3	WebSearch	Latest info, community solutions

Context7 Usage

Step	Tool	Parameters
1. Find library	mcp__context7__resolve-library-id	libraryName: "EntityFrameworkCore"
2. Query docs	mcp__context7__query-docs	query: "EF Core 8 to 9 migration breaking changes"

MCP Ref Usage

Action	Tool	Query Example
Search	mcp__Ref__ref_search_documentation	"dotnet EntityFrameworkCore 9 migration guide"
Read	mcp__Ref__ref_read_url	URL from search results

WebSearch Fallback

Use when Context7/Ref return no results:

"<package> .NET <version> breaking changes migration"
"<error code> <package> fix"

Phase 5: Apply Upgrades

Priority Order

Priority	Package Type
1	SDK/Runtime (Microsoft.NET.Sdk)
2	Framework (Microsoft.AspNetCore.*)
3	EF Core (affects migrations)
4	Logging (Serilog.*)
5	Other packages

Commands

Action	Command
Update specific	`dotnet add package <name> --version <ver>`
Update all	`dotnet outdated --upgrade`

Phase 6: Restore & Build

Commands

Step	Command
Restore	`dotnet restore`
Build	`dotnet build --configuration Release`
Test	`dotnet test`

On Failure

Identify failing package from error
Search Context7/Ref for migration guide
If unresolved: rollback package, continue

Phase 7: Report Results

Report Schema

Field	Description
solution	Solution path
projects[]	Updated projects
duration	Total time
upgrades[]	Applied upgrades
buildVerification	PASSED or FAILED
testResults	X passed, Y failed

Configuration

Options:
  # Upgrade scope
  upgradeType: major          # major | minor | patch

  # Security
  auditLevel: high
  minimumReleaseAge: 14

  # .NET specific
  includePrerelease: false
  targetFramework: net10.0

  # Verification
  runTests: true
  runBuild: true

Error Handling

Error	Cause	Solution
CS0246	Missing type	Search for replacement API
NU1605	Downgrade detected	Check package constraints
Build fail	Breaking change	Apply migration via Context7

References

Version: 1.1.0 Last Updated: 2026-01-10

Install skill

Copy and run in your terminal

npx -y skills add https://github.com/majiayu000/claude-skill-registry --skill levn-ln-712-nuget-upgrader

View on GitHub

skills/data/levn-ln-712-nuget-upgrader/SKILL.md

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