175 listed
Harnesses & SDKs
Frameworks and SDKs for building agents: the Claude Agent SDK, OpenAI Agents SDK, LangGraph, CrewAI and many more. Each page lists languages, packages, MCP and A2A support and how it orchestrates agents, with a link to the page every fact came from.
Showing 1–4 of 4
- 0.734score
Google Agent Development Kit (ADK)
Google
Open-source toolkit for building, evaluating and deploying agents in Python, TypeScript, Go, Java and Kotlin, tuned for Gemini but model-agnostic.
HarnessAFreshness: A★ 22K↓ 2.4M/wk - 0.669score
Koog
JetBrains
Kotlin and Java framework for AI agents with tools, graph workflows, MCP, streaming and multiplatform targets.
HarnessAFreshness: A★ 4.6K - 0.666score
Embabel
Embabel
JVM framework for agentic flows that plan toward goals, mixing LLM calls with code and domain models, usable from Kotlin or Java.
HarnessAFreshness: A★ 4.5K - 0.559score
Bindu
GetBindu
Python platform that gives agents a cryptographic identity, A2A communication and x402 payment requirements behind one bindufy() call.
HarnessBFreshness: B★ 10K↓ 104/wk