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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
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- 108
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- 260
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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.
AI dev
Stack
GitHub topics
- Updated
- 2026-10-15
- Lists
- 7 list mentions
- First commit
- 2026-01-18
- License
- MIT
- Issues
- 232 open
281,889
stars
- Forks
- 41,914
- Commits
- 3,934 commits
- Star growth, last 7 days
- +5,294 +1.9%
- Commit velocity, last 7 days
- +219 +5.9%
diegosouzapw/OmniRoute
Never stop coding. Free MIT AI gateway: one endpoint, 359 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by hundreds of contributors
AI dev
GitHub topics
- Updated
- 2026-10-17
- Lists
- 5 list mentions
- First commit
- 2026-02-18
- License
- MIT
- Issues
- 334 open
77,422
stars
- Forks
- 11,209
- Commits
- 10,753 commits
- Star growth, last 7 days
- +2,415 +3.2%
- Commit velocity, last 7 days
- +432 +4.2%
BerriAI/litellm
The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]
AI dev
GitHub topics
- Updated
- 2026-10-16
- Lists
- 9 list mentions
- First commit
- 2023-07-27
- License
- NOASSERTION
- Issues
- 5,485 open
61,355
stars
- Forks
- 12,395
- Commits
- 54,633 commits
- Star growth, last 7 days
- +79 +0.1%
- Commit velocity, last 7 days
- +159 +0.3%
Aider-AI/aider
aider is AI pair programming in your terminal
AI dev
GitHub topics
- Updated
- 2026-05-22
- Lists
- 9 list mentions
- First commit
- 2023-04-04
- License
- Apache-2.0
- Issues
- 1,923 open
49,594
stars
- Forks
- 5,066
- Commits
- 13,138 commits
- Star growth, last 7 days
- +129 +0.3%
- Commit velocity, last 7 days
- 0 0.0%
wshobson/agents
Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, and Google Antigravity
AI dev
GitHub topics
- Updated
- 2026-09-07
- Lists
- 4 list mentions
- First commit
- 2025-07-24
- License
- MIT
- Issues
- 8 open
39,600
stars
- Forks
- 4,220
- Commits
- 569 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
chopratejas/headroom
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.
AI dev
GitHub topics
- Updated
- 2026-06-18
- Lists
- 3 list mentions
- First commit
- 2026-01-07
- License
- Apache-2.0
- Issues
- 309 open
34,860
stars
- Forks
- 2,361
- Commits
- 1,640 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
vercel/ai
The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents
AI dev
- Updated
- 2026-10-16
- Lists
- 6 list mentions
- First commit
- 2023-05-23
- License
- NOASSERTION
- Issues
- 1,398 open
27,362
stars
- Forks
- 5,358
- Commits
- 9,119 commits
- Star growth, last 7 days
- +124 +0.5%
- Commit velocity, last 7 days
- +75 +0.8%
Arize-ai/phoenix
AI Observability & Evaluation
AI dev
GitHub topics
- Updated
- 2026-10-16
- Lists
- 7 list mentions
- First commit
- 2022-11-09
- License
- NOASSERTION
- Issues
- 1,156 open
11,870
stars
- Forks
- 1,208
- Commits
- 10,314 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
cobusgreyling/loop-engineering
Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.
AI dev
Stack
GitHub topics
- Updated
- 2026-10-17
- Lists
- 3 list mentions
- First commit
- 2026-06-09
- License
- MIT
- Issues
- 12 open
11,565
stars
- Forks
- 1,594
- Commits
- 588 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
aden-hive/hive
Multi-Agent Harness for Production AI
AI dev
GitHub topics
- Updated
- 2026-10-16
- Lists
- 5 list mentions
- First commit
- 2026-01-14
- License
- Apache-2.0
- Issues
- 1,358 open
11,107
stars
- Forks
- 5,654
- Commits
- 3,437 commits
- Star growth, last 7 days
- +13 +0.1%
- Commit velocity, last 7 days
- +59 +1.7%
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
- 2026-10-16
- Lists
- 6 list mentions
- First commit
- 2025-05-16
- License
- Apache-2.0
- Issues
- 1,006 open
8,843
stars
- Forks
- 1,383
- Commits
- 2,987 commits
- Star growth, last 7 days
- +81 +0.9%
- Commit velocity, last 7 days
- +67 +2.3%
open-multi-agent/open-multi-agent
Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Own it, approve it, audit it.
AI dev
- Updated
- 2026-09-18
- Lists
- 6 list mentions
- First commit
- 2026-03-31
- License
- MIT
- Issues
- 4 open
- Forks
- 2,434
- Commits
- 572 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
AgentOps-AI/agentops
Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including CrewAI, Agno, OpenAI Agents SDK, Langchain, Autogen, AG2, and CamelAI
GitHub topics
- Updated
- 2026-06-25
- Lists
- 5 list mentions
- First commit
- 2023-08-15
- License
- MIT
- Issues
- 192 open
5,893
stars
- Forks
- 643
- Commits
- 811 commits
- Star growth, last 7 days
- +9 +0.2%
- Commit velocity, last 7 days
- 0 0.0%
lintsinghua/claude-code-book
《御舆：解码 Agent Harness》42万字拆解 AI Agent 的Harness骨架与神经 —— Claude Code 架构深度剖析，15 章从对话循环到构建你自己的 Agent Harness。在线阅读网站：
GitHub topics
- Updated
- 2026-09-05
- Lists
- 2 list mentions
- First commit
- 2026-03-31
- License
- Unknown
- Issues
- 9 open
4,209
stars
- Forks
- 827
- Commits
- 42 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
matt1398/claude-devtools
The missing DevTools for Claude Code — inspect session logs, tool calls, token usage, subagents, and context window in a visual UI. Free, open source.
AI dev
GitHub topics
- Updated
- 2026-09-26
- Lists
- 2 list mentions
- First commit
- 2026-02-11
- License
- MIT
- Issues
- 54 open
3,980
stars
- Forks
- 305
- Commits
- 357 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
thClaws/thClaws
Open-source AI agent harness in native Rust — GUI, CLI, headless, and webapp from one binary. Multi-provider, MCP, skills, plugins, agent teams.
AI dev
GitHub topics
- Updated
- 2026-09-05
- Lists
- 3 list mentions
- First commit
- 2026-04-20
- License
- Apache-2.0
- Issues
- 1 open
1,216
stars
- Forks
- 175
- Commits
- 600 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
canvas-org/meta-agent
Continual harness optimization
AI dev
- Updated
- 2026-08-06
- Lists
- 1 list mention
- First commit
- 2026-04-06
- License
- MIT
- Issues
- 0 open
- Forks
- 7
- Commits
- 7 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%