807 mods tagged dotnet that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Skill Claude CodeCodex
Use the API harness to drive Agentweaver through its REST API, capture the complete request/response evidence, and emit a normalized agentweaver.persona-judge-verdict/v1 JSON verdict. It is for backend/API end-to-end validation; use the UI or MCP harness for those surfaces.
MCP server Claude CodeCodexCursor +2
MCP server "backstory" as configured in magna-nz/backstory. Launched with Backstory.
Skill Codex
Gather minimal, graph-grounded CodeMeridian context before code changes, debugging or test planning, resolving target-folder project contexts and relevant cross-repository dependencies.
Skill Claude CodeCodex
Core conventions and patterns used in the Squad codebase.
Skill Claude CodeCodex
Inspect and drive live Windows desktop UI from the terminal with the uiamcp CLI - probe the desktop, find elements by name, class, automation id or screen point, walk the automation tree, read text, selection and tables, invoke control patterns, and wait for automation events. Windows only.
Skill Claude CodeCodex
Use when diagnosing Stage admission or blocked renders, checking screen parity, re-rendering safely or running its sandbox. Not for model authoring or the accepted-model delivery workflow.
Byggarepop/dotnet-mcp-orchestrator
Skill Claude CodeCodex
Releases a new McpOrchestrator version end to end — version bump PR, tag, and the automated deploy to GitHub Releases, NuGet, and the MCP Registry. Use when asked to release, publish, deploy, ship, or bump the version of McpOrchestrator.
JAXTech-Labs/claude-code-template
Skill Claude CodeCodex
Skill "create-adr" from JAXTech-Labs/claude-code-template, covering skill: create-adr, model, effort, purpose and output.
syncfusion/xamarin-maui-migration-skills
Skill Claude CodeCodex
Baseline migration skill for moving Xamarin.Forms solutions or copied modules to .NET MAUI using a create-new-project workflow.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-dev-servers" as configured in dagonet/mcp-dev-servers. Runs locally from the mcp-dev-servers Python package.
Hyeonu-Cha/dotnet-coverage-mcp
Skill Claude CodeCodex
Iteratively write .NET unit tests to improve code coverage toward 80% line and branch targets. USE FOR: autonomously running tests, finding gaps, writing targeted tests, and repeating until 80% coverage or plateau. Calls all 7 dotnet-coverage-mcp MCP tools: GetSourceFiles, RunTestsWithCoverage, GetCoverageSummary…
fieldcure/fieldcure-assiststudio-runner
MCP server Claude CodeCodexCursor +2
MCP server "assiststudio-runner" as configured in fieldcure/fieldcure-assiststudio-runner. Launched with FieldCure.AssistStudio.Runner.
NikiforovAll/hangfire-mcp-dotnet
MCP server Claude CodeCodexCursor +2
MCP server "aspire" as configured in NikiforovAll/hangfire-mcp-dotnet. Launched with aspire agent mcp.
Skill Codex
A text-based tutor for learning C# and .NET, the Microsoft platform used to build applications and services. It guides learners from first programs toward junior backend development.
fieldcure/fieldcure-mcp-filesystem
MCP server Claude CodeCodexCursor +2
MCP server "filesystem" as configured in fieldcure/fieldcure-mcp-filesystem. Launched with FieldCure.Mcp.Filesystem.
MCP server Claude CodeCodexCursor +2
MCP server "resharper-cli-mcp" as configured in andypgray/resharper-cli-mcp. Launched with Zphil.ReSharperCli. Needs 9 environment variables to run.
groupdocs-metadata/GroupDocs.Metadata.Mcp
MCP server Claude CodeCodexCursor +2
One of 2 in mcp.json
MCP server "groupdocs-metadata-dev" as configured in groupdocs-metadata/GroupDocs.Metadata.Mcp. Launched with dotnet run --project src/GroupDocs.Metadata.Mcp -c Release --no-launch-profile. Needs 3 environment variables to run.
DenisRaimondi/lombardia-trains-mcp
MCP server Claude CodeCodexCursor +2
MCP server "lombardia-trains" as configured in DenisRaimondi/lombardia-trains-mcp. Launched with LombardiaTrains.Mcp.
MCP server Claude CodeCodexCursor +2
MCP server "loadbearing" as configured in andypgray/loadbearing. Launched with Zphil.LoadBearing.Cli. Needs 1 environment variable to run.
fieldcure/fieldcure-mcp-essentials
MCP server Claude CodeCodexCursor +2
MCP server "essentials" as configured in fieldcure/fieldcure-mcp-essentials. Launched with FieldCure.Mcp.Essentials. Needs 9 environment variables to run.
fieldcure/fieldcure-mcp-outbox
MCP server Claude CodeCodexCursor +2
MCP server "outbox" as configured in fieldcure/fieldcure-mcp-outbox. Launched with FieldCure.Mcp.Outbox.
fieldcure/fieldcure-mcp-publicdata
MCP server Claude CodeCodexCursor +2
MCP server "publicdata-kr" as configured in fieldcure/fieldcure-mcp-publicdata. Launched with FieldCure.Mcp.PublicData.Kr. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server "rag" as configured in fieldcure/fieldcure-mcp-rag. Launched with FieldCure.Mcp.Rag. Needs 5 environment variables to run.
groupdocs-parser/GroupDocs.Parser.Mcp
MCP server Claude CodeCodexCursor +2
MCP server "groupdocs-parser-mcp" as configured in groupdocs-parser/GroupDocs.Parser.Mcp. Runs in Docker (ghcr.io/groupdocs-parser/parser-net-mcp:26.9.0). Needs 3 environment variables to run.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: