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 1–3 of 3
- 0.662score
attestix
VibeTensor
Python toolkit for signed identities, verifiable credentials and delegated authority for AI agents, with MCP and REST interfaces.
HarnessAFreshness: A★ 839↓ 161/wk - 0.601score
ADK for Java
Google
Code-first Java toolkit for building and testing AI agents, with multi-agent hierarchies, a dev UI and Maven packages.
HarnessAFreshness: A★ 1.8K - 0.432score
Semantic Kernel for Java
Microsoft
Java SDK for calling LLMs such as OpenAI, Azure OpenAI and Hugging Face, with plugins that chain functions and planners.
HarnessAFreshness: A★ 276