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Awesome Harness Engineering
Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permissions, observability, and orchestration.
ai-boost/awesome-harness-engineering
#agent-harness
#agent-memory
#agent-orchestration
#ai-agent-harness
#ai-agents
#awesome-list
#context-engineering
#harness-engineering
#mcp
- List stars
- 3,975
- README repos
- 232
- Indexed repos
- 158
- List commits
- 108
- Forks
- 487
- Open issues
- 177
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GitHub stars and default-branch commits for ai-boost/awesome-harness-engineering.
Latest scan 2026-09-03 10:49
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mem0ai/mem0
The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
AI dev
GitHub topics
- Updated
- 2026-09-03
- Lists
- 8 list mentions
- First commit
- 2023-06-20
- License
- Apache-2.0
- Issues
- 722 open
64,676
stars
- Forks
- 7,576
- Commits
- 2,621 commits
- Star growth, last 7 days
- +395 +0.6%
- Commit velocity, last 7 days
- +4 +0.2%
microsoft/autogen
A programming framework for agentic AI
AI dev
GitHub topics
- Updated
- 2026-04-15
- Lists
- 9 list mentions
- First commit
- 2020-12-04
- License
- CC-BY-4.0
- Issues
- 970 open
60,174
stars
- Forks
- 9,066
- Commits
- 3,782 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
crewAIInc/crewAI
Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
AI dev
GitHub topics
- Updated
- 2026-09-03
- Lists
- 6 list mentions
- First commit
- 2023-10-27
- License
- MIT
- Issues
- 709 open
58,037
stars
- Forks
- 8,322
- Commits
- 2,818 commits
- Star growth, last 7 days
- +310 +0.5%
- Commit velocity, last 7 days
- +23 +0.8%
langchain-ai/langgraph
Build resilient agents.
AI dev
GitHub topics
- Updated
- 2026-08-16
- Lists
- 5 list mentions
- First commit
- 2023-08-09
- License
- MIT
- Issues
- 696 open
39,754
stars
- Forks
- 6,684
- Commits
- 7,041 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
wshobson/agents
Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI
AI dev
GitHub topics
- Updated
- 2026-07-22
- Lists
- 2 list mentions
- First commit
- 2025-07-24
- License
- MIT
- Issues
- 12 open
38,437
stars
- Forks
- 4,113
- Commits
- 530 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
ComposioHQ/composio
Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 3 list mentions
- First commit
- 2025-04-11
- License
- MIT
- Issues
- 84 open
29,494
stars
- Forks
- 4,681
- Commits
- 4,578 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
openai/openai-agents-python
A lightweight, powerful framework for multi-agent workflows
AI dev
- Updated
- 2026-08-11
- Lists
- 6 list mentions
- First commit
- 2025-03-11
- License
- MIT
- Issues
- 9 open
28,548
stars
- Forks
- 4,477
- Commits
- 2,052 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
mastra-ai/mastra
Mastra is the modern TypeScript framework for AI-powered applications and agents.
AI dev
Stack
- Updated
- 2026-08-11
- Lists
- 8 list mentions
- First commit
- 2024-08-06
- License
- NOASSERTION
- Issues
- 412 open
27,093
stars
- Forks
- 2,605
- Commits
- 17,885 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
rohitg00/agentmemory
#1 Persistent memory for AI coding agents based on real-world benchmarks
AI dev
Stack
GitHub topics
- Updated
- 2026-08-01
- Lists
- 5 list mentions
- First commit
- 2026-02-25
- License
- Apache-2.0
- Issues
- 430 open
26,337
stars
- Forks
- 2,224
- Commits
- 467 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
a2aproject/A2A
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 3 list mentions
- First commit
- 2025-03-25
- License
- Apache-2.0
- Issues
- 222 open
25,135
stars
- Forks
- 2,542
- Commits
- 598 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
vectorize-io/hindsight
Hindsight: Agent Memory That Learns
AI dev
GitHub topics
- Updated
- 2026-09-03
- Lists
- 5 list mentions
- First commit
- 2025-10-30
- License
- MIT
- Issues
- 98 open
22,275
stars
- Forks
- 1,696
- Commits
- 2,827 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
google/adk-python
An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 4 list mentions
- First commit
- 2025-04-02
- License
- Apache-2.0
- Issues
- 596 open
20,979
stars
- Forks
- 3,783
- Commits
- 3,530 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Arize-ai/phoenix
AI Observability & Evaluation
AI dev
GitHub topics
- Updated
- 2026-08-11
- Lists
- 5 list mentions
- First commit
- 2022-11-09
- License
- NOASSERTION
- Issues
- 872 open
10,980
stars
- Forks
- 1,049
- Commits
- 9,577 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
TencentCloud/CubeSandbox
Instant, Concurrent, Secure & Lightweight Sandbox for AI Agents.
AI dev
- Updated
- 2026-08-01
- Lists
- 3 list mentions
- First commit
- 2026-04-16
- License
- NOASSERTION
- Issues
- 182 open
10,842
stars
- Forks
- 1,001
- Commits
- 679 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
omnigent-ai/omnigent
Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.
AI dev
GitHub topics
- Updated
- 2026-08-15
- Lists
- 5 list mentions
- First commit
- 2026-06-13
- License
- Apache-2.0
- Issues
- 967 open
8,884
stars
- Forks
- 1,343
- Commits
- 2,644 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
lastmile-ai/mcp-agent
Build effective agents using Model Context Protocol and simple workflow patterns
AI dev
- Updated
- 2026-01-25
- Lists
- 4 list mentions
- First commit
- 2024-12-18
- License
- Apache-2.0
- Issues
- 137 open
8,498
stars
- Forks
- 877
- Commits
- 767 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
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.
AI dev
GitHub topics
- Updated
- 2026-09-03
- Lists
- 5 list mentions
- First commit
- 2025-05-16
- License
- Apache-2.0
- Issues
- 707 open
7,145
stars
- Forks
- 1,089
- Commits
- 2,608 commits
- Star growth, last 7 days
- +104 +1.5%
- Commit velocity, last 7 days
- +44 +1.7%
NVIDIA-NeMo/Guardrails
NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 3 list mentions
- First commit
- 2023-04-25
- License
- NOASSERTION
- Issues
- 195 open
6,858
stars
- Forks
- 798
- Commits
- 3,761 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
MinishLab/semble
Fast and Accurate Code Search for Agents. Uses 99% fewer tokens than grep+read
AI dev
GitHub topics
- Updated
- 2026-08-26
- Lists
- 1 list mention
- First commit
- 2026-04-06
- License
- MIT
- Issues
- 4 open
5,989
stars
- Forks
- 260
- Commits
- 135 commits
- Star growth, last 7 days
- +19 +0.3%
- Commit velocity, last 7 days
- 0 0.0%
agentgateway/agentgateway
Next Generation Agentic Proxy for AI Agents and MCP servers
GitHub topics
- Updated
- 2026-07-31
- Lists
- 3 list mentions
- First commit
- 2025-03-18
- License
- Apache-2.0
- Issues
- 317 open
4,181
stars
- Forks
- 695
- Commits
- 2,298 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
awslabs/agentcore-samples
Amazon Bedrock Agentcore accelerates AI agents into production with the scale, reliability, and security, critical to real-world deployment.
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 2 list mentions
- First commit
- 2025-07-16
- License
- Apache-2.0
- Issues
- 402 open
3,237
stars
- Forks
- 1,259
- Commits
- 630 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
microsoft/skills
Skills, MCP servers, Custom Agents, Agents.md for SDKs to ground Coding Agents
AI dev
- Updated
- 2026-09-02
- Lists
- 2 list mentions
- First commit
- 2026-01-16
- License
- MIT
- Issues
- 69 open
2,986
stars
- Forks
- 343
- Commits
- 724 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Infisical/agent-vault
A HTTP credential proxy and vault for AI agents like Claude Code, OpenClaw, Hermes, custom agents + harnesses, and more.
AI dev
GitHub topics
- Updated
- 2026-08-23
- Lists
- 2 list mentions
- First commit
- 2026-03-27
- License
- NOASSERTION
- Issues
- 70 open
2,126
stars
- Forks
- 138
- Commits
- 295 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
greyhaven-ai/autocontext
a recursive self-improving harness designed to help your agents (and future iterations of those agents) succeed on any task
AI dev
GitHub topics
- Updated
- 2026-09-02
- Lists
- 1 list mention
- First commit
- 2026-02-12
- License
- Apache-2.0
- Issues
- 19 open
1,289
stars
- Forks
- 110
- Commits
- 2,085 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
rasbt/mini-coding-agent
Minimal and readable coding agent harness implementation in Python to explain the core components of coding agents.
- Updated
- 2026-04-07
- Lists
- 2 list mentions
- First commit
- 2026-04-02
- License
- Apache-2.0
- Issues
- 3 open
1,065
stars
- Forks
- 191
- Commits
- 15 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
rotorstar/hitl-protocol
Human-in-the-Loop Protocol for Autonomous Agent Services — Open Standard (v0.8)
GitHub topics
- Updated
- 2026-07-11
- Lists
- 1 list mention
- First commit
- 2026-02-23
- License
- Apache-2.0
- Issues
- 1 open
- Forks
- 1
- Commits
- 43 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%