Implementation of the SLF4J API for Logback, a reliable, generic, fast and flexible logging framework.

General data-binding functionality for Jackson: works on core streaming API

Add-on module to support JSR-310 (Java 8 Date & Time API) data types.

Core interfaces for agent loop patterns using Spring AI

Implementation of all 8 agent loop patterns

Reusable tools for AI agents: file operations, shell execution, search

Ready-to-use agent implementations including AgentLoop

Composable step-based flow combinators for agent workflows (sequential, parallel, loop)

Crash-resistant durability layer for agent workflows (CheckpointingStepRunner, JDBC persistence)

Temporal durable execution integration for agent workflows (TemporalStepRunner)

Journal integration for agent-workflow — records per-step events into agent-journal runs

Execution ledger — Experiment/Run tracking for agent workflows

Module containing Observation related code

Non-Blocking Reactive Foundation for the JVM

Reactor Test support

Rich and fluent assertions for testing in Java

Module "junit-jupiter" of JUnit

API for SLF4J (The Simple Logging Facade for Java) which serves as a simple facade or abstraction for various logging ...

Core Judge API for evaluating LLM outputs - zero external dependencies

Spring AI Agent Utilities

Spring AI Chat Client AI programming

Core model interfaces and classes for Spring AI

Anthropic models support

A lightweight library to execute external processes from Java.