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 25–37 of 37
- 0.650score
Griptape
Griptape
Python framework for generative AI agents, pipelines and parallel workflows, with RAG engines, tools, memory and swappable drivers.
HarnessAFreshness: A★ 2.6K↓ 10.7K/wk - 0.650score
txtai
NeuML
All-in-one Python AI framework for embeddings-based semantic search, LLM pipelines, workflows and agents.
HarnessAFreshness: A★ 13K↓ 3.3K/wk - 0.649score
BotSharp
SciSharp
C# framework on .NET for building multi-agent AI bots with plugins, RAG, MCP integration and a built-in admin UI.
HarnessAFreshness: A★ 3.1K - 0.648score
kagent
kagent (CNCF)
Kubernetes-native framework and runtime for building and running AI agents as Kubernetes custom resources.
HarnessAFreshness: A★ 4.1K - 0.642score
Swarms
Swarms
Python framework for orchestrating multiple LLM agents in sequential, concurrent, hierarchical and graph-based workflows.
HarnessAFreshness: A★ 7.3K↓ 3.3K/wk - 0.638score
HelloAgents
jjyaoao
Modular Python agent framework with a tool-calling loop, context management, retrieval, persistent memory and MCP tools.
HarnessAFreshness: A★ 3.3K - 0.630score
tRPC-Agent-Go
Tencent tRPC
Go framework for multi-agent systems with graph workflows, tools, session memory, MCP, A2A, AG-UI and OpenTelemetry.
HarnessAFreshness: A★ 1.9K - 0.623score
Neuron AI
Neuron
PHP framework for agentic applications with workflows, human-in-the-loop, MCP connectors, RAG and multi-provider LLM support.
HarnessAFreshness: A★ 2.2K - 0.621score
Semantic Kernel
Microsoft
Model-agnostic SDK for building agents and multi-agent systems in Python, .NET and Java; Microsoft names Agent Framework as its successor.
HarnessAFreshness: A★ 28.7K↓ 77.5K/wk - 0.605score
Foundry
promptise-com
Python framework for agents that discover MCP tools by themselves, with optional memory, guardrails, cache and tracing.
HarnessAFreshness: A★ 892↓ 1.5K/wk - 0.599score
any-agent
Mozilla.ai
Python interface for running and evaluating agents from several frameworks, with OpenTelemetry traces; now in soft deprecation.
HarnessAFreshness: A★ 1.3K↓ 638/wk - 0.581score
code-mode
universal-tool-calling-protocol
TypeScript library that lets agents call MCP and UTCP tools by running model-written code in a sandbox.
HarnessBFreshness: B★ 1.6K - 0.578score
Agent SDK Go
Ingenimax
Go framework for AI agents with memory, tool execution, MCP, agent skills, multi-agent patterns and evaluation.
HarnessAFreshness: A★ 640