PyPI
pydantic/pydantic-ai
How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.
MITSep 16, 2026 · metrics 2.10.0
All tags
Catalogue tag
#harness
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
143 records
PyPI · npm
Agenta-AI/agenta
Agenta is a workspace where you and your team build agents and automations.
Custom licenseAug 28, 2026 · metrics 2.10.0
PyPI · npm
ModelEngine-Group/nexent
Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.
MITAug 28, 2026 · metrics 2.10.0
npm · PyPI
bytedance/deer-flow
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
MITSep 16, 2026 · metrics 2.10.0
PyPI
openai/openai-agents-python
A lightweight, powerful framework for multi-agent workflows
MITSep 16, 2026 · metrics 2.10.0
PyPI · npm
strands-agents/harness-sdk
Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
Apache-2.0Aug 28, 2026 · metrics 2.10.0
npm
TanStack/ai
🤖 Type-safe, provider-agnostic TypeScript AI SDK for streaming chat, tool calling, agents, and multimodal apps across OpenAI, Anthropic, Gemini, React, Vue, Svelte, and Solid.
MITSep 12, 2026 · metrics 2.10.0
npm · Go
alibaba/open-code-review
Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.
Apache-2.0Aug 28, 2026 · metrics 2.10.0
PyPI
PrimeIntellect-ai/verifiers
Our library for RL environments + evals
MITAug 28, 2026 · metrics 2.10.0
PyPI
langchain-ai/deepagents
The batteries-included agent harness.
MITSep 16, 2026 · metrics 2.10.0
npm · crates.io · PyPI
affaan-m/ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
MITSep 19, 2026 · metrics 2.10.0
Maven · PyPI
agentscope-ai/agentscope-java
Build distributed, production-grade, long-running agents.
No licenseAug 28, 2026 · metrics 2.10.0
PyPI · npm
xerrors/Yuxi
可私有部署的多租户知识智能体平台：统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows.
MITAug 28, 2026 · metrics 2.10.0
npm · crates.io
ruvnet/ruflo
🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated
MITSep 16, 2026 · metrics 2.10.0
Go
diillson/chatcli
ChatCLI is a command-line application that utilizes LLMs—such as those from Anthropic, OpenAI, and others—to facilitate interactive conversations within the terminal. At its core, it features a specialized agent and tools that provide unique expertise.
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io · npm
everruns/everruns
Headless durable agentic harness engine. Run durable AI agents reliably and scalably.
MITOct 21, 2026 · metrics 2.10.0
npm
xpert-ai/xpert
XpertAI is an open-source platform for building, running, and evolving ai agents, providing extensible capabilities and infrastructure for diverse AI systems.
AGPL-3.0Oct 21, 2026 · metrics 2.10.0
npm
aeonfun/aeon
The most autonomous AI agent framework: runs unattended on GitHub Actions, self-healing skills, drives Claude Code, Grok, Codex & more. No approval loops. Configure once, forget forever.
MITOct 19, 2026 · metrics 2.10.0
PyPI · npm
bubbuild/bub
Bub it. Build it. A tiny agent runtime, composable with plugins.
Apache-2.0Oct 11, 2026 · metrics 2.10.0
npm
rohitg00/agentmemory
#1 Persistent memory for AI coding agents based on real-world benchmarks
Apache-2.0Sep 16, 2026 · metrics 2.10.0
npm · PyPI
jscraik/coding-harness
SynAIpse is an AI Delivery Harness for evidence-backed agentic software delivery.
Apache-2.0Sep 13, 2026 · metrics 2.10.0
npm
mindfold-ai/Trellis
The best agent harness.
AGPL-3.0Aug 27, 2026 · metrics 2.10.0
npm
Chorus-AIDLC/Chorus
The Agent Harness for AI-Human Collaboration, inspired by the AI-DLC (AI-Driven Development Lifecycle)
AGPL-3.0Oct 21, 2026 · metrics 2.10.0
Go
harness/harness-go-sdk
An SDK written in Go for interacting with the Harness API's
Apache-2.0Sep 8, 2026 · metrics 2.10.0
npm
nearform/lastlight
Self-hostable, MIT Licensed, Enterprise AI Software Factory
MITSep 13, 2026 · metrics 2.10.0
npm
fro-bot/agent
@fro-bot Agent
MITSep 10, 2026 · metrics 2.10.0
npm
liustack/modsearch
🥇 The strongest free web search plugin for DeepSeek Harness, and the search bridge for every model without native web access. Free, no signup, no API key. Ask the web or X, get structured JSON evidence. | 🥇 全网最强的 DeepSeek Harness 免费联网搜索插件，免费免注册免 API key。为不能联网的模型补上搜索，问网页或 X，拿回结构化 JSON 证据（搜索、抓取、引用）。
MITOct 19, 2026 · metrics 2.10.0
npm
sapiom/sapiom-js
TypeScript / Node libraries
MITOct 22, 2026 · metrics 2.10.0
crates.io · npm
bobmatnyc/trusty-tools
Unified Rust workspace for the trusty-* AI developer-tooling ecosystem: hybrid code search, memory palace, code analysis, PR review, and the MPM multi-agent platform — MCP servers, daemons & CLIs.
MITOct 11, 2026 · metrics 2.10.0
crates.io · npm
ratel-ai/ratel
Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.
MITSep 12, 2026 · metrics 2.10.0