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Langertha-0.100
River stage zero No dependents

Changes for version 0.100 - 2026-02-20

  • Add MCP (Model Context Protocol) tool calling support
    • New Langertha::Role::Tools for engine-agnostic tool calling
    • Anthropic engine: full tool calling support (format_tools, response_tool_calls, format_tool_results, response_text_content)
    • Async chat_with_tools_f() method for automatic multi-round tool-calling loop with configurable max iterations
    • Requires Net::Async::MCP for MCP server communication
  • Add Future::AsyncAwait support for async/await syntax
    • All _f methods (simple_chat_f, simple_chat_stream_f, etc.)
    • Streaming with real-time async callbacks
  • Add streaming support
    • Synchronous callback, iterator, and Future-based APIs
    • SSE parsing for OpenAI/Anthropic/Groq/Mistral/DeepSeek
    • NDJSON parsing for Ollama
  • Add Gemini engine (Google AI Studio)
  • Add dynamic model listing via provider APIs with caching
  • Add Anthropic extended parameters (effort, inference_geo)
  • Improve POD documentation across all modules

Documentation

langertha_chat_ollama
Simple chat with Ollama
langertha_chat_openai
Simple chat with OpenAI
langertha_list_models
Simple script to check the model list on an OpenAI compatible API
langertha_whisper
Simple transcription with a Whisper compatible server or OpenAI

Modules

Langertha
The clan of fierce vikings with 🪓 and 🛡️ to AId your rAId
Langertha::Engine::Anthropic
Anthropic API
Langertha::Engine::DeepSeek
DeepSeek API
Langertha::Engine::Gemini
Google Gemini API
Langertha::Engine::Groq
GroqCloud API
Langertha::Engine::Mistral
Mistral API
Langertha::Engine::Ollama
Ollama API
Langertha::Engine::OpenAI
OpenAI API
Langertha::Engine::Whisper
Whisper compatible transcription server
Langertha::Engine::vLLM
vLLM inference server
Langertha::Request::HTTP
A HTTP Request inside of Langertha
Langertha::Role::Chat
Role for APIs with normal chat functionality
Langertha::Role::ContextSize
Role for an engine where you can specify the context size (in tokens)
Langertha::Role::Embedding
Role for APIs with embedding functionality
Langertha::Role::HTTP
Role for HTTP APIs
Langertha::Role::JSON
Role for JSON
Langertha::Role::Models
Role for APIs with several models
Langertha::Role::OpenAPI
Role for APIs with OpenAPI definition
Langertha::Role::ResponseFormat
Role for an engine where you can specify structured output
Langertha::Role::ResponseSize
Role for an engine where you can specify the response size (in tokens)
Langertha::Role::Seed
Role for an engine that can set a seed
Langertha::Role::Streaming
Role for streaming support
Langertha::Role::SystemPrompt
Role for APIs with system prompt
Langertha::Role::Temperature
Role for an engine that can have a temperature setting
Langertha::Role::Tools
Role for MCP tool calling support
Langertha::Role::Transcription
Role for APIs with transcription functionality
Langertha::Stream
Iterator for streaming responses
Langertha::Stream::Chunk
Represents a single chunk from a streaming response
LangerthaX
Bring your own viking!

Examples

Other files