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Awesome Agent Harness
An awesome list of Agent Harness engineering resources, including GitHub projects, tools, benchmarks, and practical guides.
Picrew/awesome-agent-harness
#agent-harness
#context-engineering
#harness-engineering
- List stars
- 1,702
- README repos
- 333
- Indexed repos
- 332
- List commits
- 34
- Forks
- 179
- Open issues
- 62
Tracked list growth
GitHub stars and default-branch commits for Picrew/awesome-agent-harness.
Latest scan 2026-09-03 10:49
Likes history
GitHub starsCommits history
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Latest repo push 2026-09-04
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.
AI dev
GitHub topics
- Updated
- 2026-08-11
- Lists
- 8 list mentions
- First commit
- 2025-04-07
- License
- MIT
- Issues
- 983 open
79,692
stars
- Forks
- 10,900
- Commits
- 2,934 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
headroomlabs-ai/headroom
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
AI dev
GitHub topics
- Updated
- 2026-09-04
- Lists
- 5 list mentions
- First commit
- 2026-01-07
- License
- Apache-2.0
- Issues
- 625 open
68,829
stars
- Forks
- 5,333
- Commits
- 2,725 commits
- Star growth, last 7 days
- +896 +1.3%
- Commit velocity, last 7 days
- +24 +0.9%
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
- 2026-08-11
- Lists
- 9 list mentions
- First commit
- 2023-07-27
- License
- NOASSERTION
- Issues
- 4,859 open
56,069
stars
- Forks
- 10,477
- Commits
- 42,623 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
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
langfuse/langfuse
🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
AI dev
Stack
GitHub topics
- Updated
- 2026-08-11
- Lists
- 12 list mentions
- First commit
- 2023-05-18
- License
- NOASSERTION
- Issues
- 769 open
32,853
stars
- Forks
- 3,538
- Commits
- 8,448 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
mlflow/mlflow
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
AI dev
GitHub topics
- Updated
- 2026-08-11
- Lists
- 5 list mentions
- First commit
- 2018-06-05
- License
- Apache-2.0
- Issues
- 2,052 open
27,456
stars
- Forks
- 6,140
- Commits
- 12,948 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
langchain-ai/deepagents
The batteries-included agent harness.
AI dev
GitHub topics
- Updated
- 2026-08-02
- Lists
- 5 list mentions
- First commit
- 2025-07-27
- License
- MIT
- Issues
- 189 open
27,204
stars
- Forks
- 3,807
- Commits
- 3,119 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
comet-ml/opik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
AI dev
GitHub topics
- Updated
- 2026-08-11
- Lists
- 10 list mentions
- First commit
- 2024-09-02
- License
- Apache-2.0
- Issues
- 184 open
21,290
stars
- Forks
- 1,698
- Commits
- 6,688 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Portkey-AI/gateway
A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
AI dev
Stack
GitHub topics
- Updated
- 2026-05-25
- Lists
- 5 list mentions
- First commit
- 2023-08-23
- License
- MIT
- Issues
- 242 open
12,630
stars
- Forks
- 1,236
- Commits
- 3,457 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
Helicone/helicone
🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
AI dev
GitHub topics
- Updated
- 2026-08-31
- Lists
- 7 list mentions
- First commit
- 2022-11-29
- License
- Apache-2.0
- Issues
- 157 open
6,131
stars
- Forks
- 664
- Commits
- 5,484 commits
- Star growth, last 7 days
- +22 +0.4%
- Commit velocity, last 7 days
- +3 +0.1%
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
- 178 open
5,810
stars
- Forks
- 618
- Commits
- 811 commits
- Star growth, last 7 days
- +8 +0.1%
- Commit velocity, last 7 days
- 0 0.0%
coze-dev/coze-loop
Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.
AI dev
Stack
GitHub topics
- Updated
- 2026-08-14
- Lists
- 2 list mentions
- First commit
- 2025-06-26
- License
- Apache-2.0
- Issues
- 73 open
5,696
stars
- Forks
- 791
- Commits
- 365 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
langchain-ai/langchain-mcp-adapters
LangChain 🔌 MCP
GitHub topics
- Updated
- 2026-08-01
- Lists
- 1 list mention
- First commit
- 2025-02-07
- License
- MIT
- Issues
- 103 open
- Forks
- 467
- Commits
- 200 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
openlit/openlit
Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.
AI dev
Stack
- Updated
- 2026-08-03
- Lists
- 4 list mentions
- First commit
- 2024-01-23
- License
- Apache-2.0
- Issues
- 53 open
2,666
stars
- Forks
- 343
- Commits
- 949 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
langchain-ai/deepagentsjs
The batteries included agent harness.
AI dev
Stack
GitHub topics
- Updated
- 2026-08-01
- Lists
- 1 list mention
- First commit
- 2025-08-04
- License
- MIT
- Issues
- 68 open
1,446
stars
- Forks
- 248
- Commits
- 577 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Arize-ai/openinference
OpenTelemetry Instrumentation for AI Observability
AI dev
GitHub topics
- Updated
- 2026-08-10
- Lists
- 2 list mentions
- First commit
- 2023-12-26
- License
- Apache-2.0
- Issues
- 231 open
1,139
stars
- Forks
- 288
- Commits
- 2,070 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Onelevenvy/flock
A desktop multi-agent harness built with Rust, Tauri, and React, powered by langgraph-rust.
AI dev
- Updated
- 2026-07-07
- Lists
- 1 list mention
- First commit
- 2026-05-18
- License
- Apache-2.0
- Issues
- 1 open
1,100
stars
- Forks
- 143
- Commits
- 111 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
JudgmentLabs/judgeval
The Continuous-Improvement Stack for Agents. Our environment data and evals power agent improvement and monitoring.
GitHub topics
- Updated
- 2026-07-29
- Lists
- 1 list mention
- First commit
- 2024-10-25
- License
- Apache-2.0
- Issues
- 30 open
1,049
stars
- Forks
- 96
- Commits
- 1,770 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
ucsandman/DashClaw
🛡️The governance runtime for AI agents. Intercept actions, enforce guard policies, require approvals, and produce audit-ready decision trails.
AI dev
Stack
- Updated
- 2026-08-01
- Lists
- 1 list mention
- First commit
- 2026-02-05
- License
- MIT
- Issues
- 3 open
286
stars
- Forks
- 49
- Commits
- 2,936 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history