Harness Engineering Python Packages

datachain

The Context Layer for unstructured data: typed, versioned datasets over S3, GCS, Azure

34K 3K 147

agentsociety

AgentSociety 2 is a modern, LLM-native agent simulation platform designed for social science research and experimental design. It provides a flexible framework for creating and managing intelligent agents in simulated environments.

9K 1K 193

memtomem

Markdown-first, long-term memory infrastructure for AI agents. Hybrid BM25 + semantic search across markdown/code files via MCP.

4K 10 25

memtomem-stm

Short-term memory proxy gateway with proactive memory surfacing for AI agents

4K 4 6

agentsociety2

3K 1K 193

wtcraft

Git-native agent governance core — task contracts and deterministic scope/verification checks that keep coding agents in their lanes.

3K 3 0

graphrefly

Reactive harness layer for agent workflows. Describe automations in plain language, trace every decision, enforce policies, persist checkpoints. Python. Zero dependencies.

2K 0 0

agentseek

AgentSeek is an application development lifecycle toolkit for AI ecosystem apps, built by OceanBase OSS Team.

2K 119 16

agent-harnesses-mcp

🏆 Curated, ranked list of AI agent harnesses (100+) — plus an MCP server, llms.txt & JSON so agents can recommend them too. Rescored weekly.

2K 243 18

ouro-ai

Ouro is an open-source AI agent — run it as a Coding agent CLI or deploy it as a bot just like JARVIS.

1K 43 8

ceo-py

A ReAct-Based Highly Robust Autonomous Agent (Harness) Framework.

1K 212 38

polyharness

Open-source search engine that automatically evolves your AI agent's prompts, tools, and harness logic through iterative evaluation — plug in Claude Code, Codex, Hermes, or any CLI agent.

987 5 0

superagentic-metaharness

Unofficial implementation of the Meta Harness paper for coding-agent harness optimization.

966 129 13

omnicoreagent

Open Python agent harness for production AI apps: tools, MCP, memory, workspace, telemetry, subagents, background tasks, and OmniServe APIs.

927 244 57

pyflue

Python port of the Flue: The Agent Harness Framework

899 98 8

pantheon-agents

A general, evolvable, and distributed agent framework & harness for data science.

895 455 64

interlocks

One opinionated command surface for local checks and CI, replacing per-repo quality-script sprawl with a consistent, enforceable workflow.

840 3 0

tok-protocol

tok is an invisible bridge

828 0 0

mcpomni-connect

Open Python agent harness for production AI apps: tools, MCP, memory, workspace, telemetry, subagents, background tasks, and OmniServe APIs.

611 244 57

syrin

The Python Harness for Production AI Multi-Agent Systems

610 61 13

carl-studio

CARL (Coherence-Aware Reinforcement Learning) — information-theoretic reward signals for LLM training via token-level probability distributions

562 3 1

browser-automation-cli

A lightweight, self-hosted browser automation tool with a background daemon and CLI client. Tailored for agent harnesses.

525 1 0

adam-mcp

5-layer persistent memory and identity architecture for AI agents. Production-validated over 353+ sessions. First documented case of emergent values in persistent AI -- quantum-verified on IBM hardware.

489 44 7

kogwistar

Graph-native agent harness and substrate for knowledge, memory, workflow, and MCP tooling

471 22 2