zborek.LangfuseDotnet 0.0.1

This package has been deprecated as it is legacy and is no longer maintained.

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Additional Details

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There is a newer version of this package available.
See the version list below for details.

dotnet add package zborek.LangfuseDotnet --version 0.0.1

NuGet\Install-Package zborek.LangfuseDotnet -Version 0.0.1

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="zborek.LangfuseDotnet" Version="0.0.1" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="zborek.LangfuseDotnet" Version="0.0.1" />
                    

                            Directory.Packages.props

<PackageReference Include="zborek.LangfuseDotnet" />
                    

                            Project file

For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.

paket add zborek.LangfuseDotnet --version 0.0.1

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: zborek.LangfuseDotnet, 0.0.1"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

#:package zborek.LangfuseDotnet@0.0.1

#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.

#addin nuget:?package=zborek.LangfuseDotnet&version=0.0.1
                    

                            Install as a Cake Addin

#tool nuget:?package=zborek.LangfuseDotnet&version=0.0.1
                    

                            Install as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

WORK IN PROGRESS

Langfuse Example Web API

This repository contains library for Langfuse in .net

In default behaviour, application add background service for sending logs to Langfuse. You can disable it by setting SendLogs to false in appsettings.json.

{
  "Langfuse": {
    "SendLogs": false
  }
}

Getting Started

Usage in Your Project

Inject LangfuseClient into your service and use it to send events to Langfuse.

For creating trace events use LangfuseTrace. Use can inject it into your service or create it.

You can use methods for creating observations:

var trace = new LangfuseTrace("traceName", TimeProvider.System);
var span = trace.CreateSpan("GetDataFromDb");
var generation = trace.CreateGeneration("DbGeneration");
var event = trace.CreateEvent("DbEvent");

// or use from created span

var eventFromSpan = span.CreateEvent("DbEvent");

Logs can be viewed on https://cloud.langfuse.com/ or on local hosted Langfuse.

Examples

Clone the repository:

git clone https://github.com/your-repo/langfuse-example-webapi.git
cd langfuse-example-webapi

Set api key in appsettings.json:

{
  "Langfuse": {
    "PublicKey": "",
    "SecretKey": ""
  },
  "OpenAI": {
    "ApiKey": ""
  }
}

Restore dependencies:
```
dotnet restore
```

Running the Application

Build the project:
```
dotnet build
```

Run the project:

dotnet run --project Examples/Langfuse.Example.WebApi

API Endpoints

POST /chat: Processes a chat request and returns a response.
POST /chatDi: Processes a chat request with dependency injection and returns a response.

Contributing

Contributions are welcome! Please open an issue or submit a pull request.

License

This project is licensed under the MIT License.

Product	Compatible and additional computed target framework versions.
.NET	net8.0 is compatible. net8.0-android was computed. net8.0-browser was computed. net8.0-ios was computed. net8.0-maccatalyst was computed. net8.0-macos was computed. net8.0-tvos was computed. net8.0-windows was computed. net9.0 is compatible. net9.0-android was computed. net9.0-browser was computed. net9.0-ios was computed. net9.0-maccatalyst was computed. net9.0-macos was computed. net9.0-tvos was computed. net9.0-windows was computed. net10.0 was computed. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed.

Product

.NET

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

net8.0
- Microsoft.Extensions.Configuration (>= 9.0.1)
- Microsoft.Extensions.DependencyInjection (>= 9.0.1)
- Microsoft.Extensions.Hosting.Abstractions (>= 9.0.1)
- Microsoft.Extensions.Http (>= 9.0.1)
- Microsoft.Extensions.Options.ConfigurationExtensions (>= 9.0.1)
net9.0
- Microsoft.Extensions.Configuration (>= 9.0.1)
- Microsoft.Extensions.DependencyInjection (>= 9.0.1)
- Microsoft.Extensions.Hosting.Abstractions (>= 9.0.1)
- Microsoft.Extensions.Http (>= 9.0.1)
- Microsoft.Extensions.Options.ConfigurationExtensions (>= 9.0.1)

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version	Downloads	Last Updated
0.2.1	214	6/8/2025
0.2.0	324	3/3/2025
0.1.0	167	2/16/2025
0.0.1	714	2/7/2025