A lightweight, testable C# library for reducing chat history size in agentic AI workflows using summarization. Designed for use with Microsoft Semantic Kernel, this utility helps maintain context within token limits by collapsing older conversation turns into concise summaries.

• Summarizes oldest N turns when token count exceeds model limits
• Uses Semantic Kernel's IChatCompletionService for LLM summarization
• Token-aware via Tokenizer (e.g., TiktokenTokenizer)
• Configurable thresholds via MessageReducerOptions
• Fully unit-testable with injectable dependencies
• Clean logging and cancellation support

Clone the repo and add the project to your solution:

git clone https://github.com/spikesoftware/AgenticUtilities.git