What is the csharp lsp Claude plugin?

It is a plugin that provides a C# language server to an AI agent, so the agent can navigate C# code intelligently, finding definitions, references, and errors.

What does the agent need to use it?

A C# codebase to analyze and the plugin installed in the agent's configuration.

Does it work with languages other than C#?

It is described as a C# language server, so it targets C# code.

csharp-lsp

PackDev tools

csharp-lsp is a plugin that adds a C# language server to an AI agent, giving it code intelligence for C# projects. Instead of guessing at code structure, the agent can navigate C# code intelligently, finding definitions, references, and errors as it works.

Unavailable. Delivery for this kind is on the roadmap — not serving yet.

Have a C# codebase for the agent to work on.

What your AI can do with it

Find definitions of C# symbols in a codebase
Locate all references to a symbol
Surface errors reported by the language server
Navigate C# code intelligently rather than by text search

Getting started

Have a C# codebase for the agent to work on.
Install the csharp-lsp plugin in the agent's plugin configuration.
Ask the agent to find definitions, references, or errors in C# code.

Signals

GitHub stars: 37k
Forks: 4k
Last commit: Sep 2026

Questions

What is the csharp lsp Claude plugin?: It is a plugin that provides a C# language server to an AI agent, so the agent can navigate C# code intelligently, finding definitions, references, and errors.
What does the agent need to use it?: A C# codebase to analyze and the plugin installed in the agent's configuration.
Does it work with languages other than C#?: It is described as a C# language server, so it targets C# code.

Advanced

Item type: plugin
Key: anthropics-claude-plugins-official-csharp-lsp
Source: github.com/anthropics/claude-plugins-official

github.com/anthropics/claude-plugins-official