Harnesses & SDKs

Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.

Rust library for LLM applications with agents, tool calling, streaming and 20+ model providers, plus a terminal coding agent.

DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.

Embeddable version control system for files and SQL tables, with branch, diff, merge and rollback across both.

Python framework for orchestrating multiple LLM agents in sequential, concurrent, hierarchical and graph-based workflows.

Open-source LLM function calling framework for AI agents, with serverless LLM tools and geo-distributed infrastructure.

Rust multi-agent framework with typed tool calling, sliding-window memory, pluggable LLM backends and OpenTelemetry tracing.

Rust framework with an agent harness, typed task graphs and streaming indexing and RAG pipelines for LLM applications.