Awesome List

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

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Latest scan 2026-09-03 10:49

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14 repos matching these filters.

Latest repo push 2026-09-04

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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
Updated
2026-08-11
Lists
12 list mentions
First commit
2023-05-18
License
NOASSERTION
Issues
769 open
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
Updated
2026-08-11
Lists
5 list mentions
First commit
2018-06-05
License
Apache-2.0
Issues
2,052 open
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
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
Updated
2026-08-11
Lists
10 list mentions
First commit
2024-09-02
License
Apache-2.0
Issues
184 open
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
VoltAgent/voltagent

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

AI dev
Updated
2026-08-27
Lists
6 list mentions
First commit
2025-04-16
License
MIT
Issues
81 open
Forks
1,118
Commits
1,754 commits
Star growth, last 7 days
+95 +0.9%
Commit velocity, last 7 days
0 0.0%
traceloop/openllmetry

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

AI dev
Updated
2026-08-10
Lists
4 list mentions
First commit
2023-09-02
License
Apache-2.0
Issues
669 open
Forks
1,065
Commits
1,415 commits
Star growth, last 7 days
+8 +0.1%
Commit velocity, last 7 days
0 0.0%
Helicone/helicone

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

AI dev
Updated
2026-08-31
Lists
7 list mentions
First commit
2022-11-29
License
Apache-2.0
Issues
157 open
Forks
664
Commits
5,484 commits
Star growth, last 7 days
+22 +0.4%
Commit velocity, last 7 days
+3 +0.1%
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
Updated
2026-08-14
Lists
2 list mentions
First commit
2025-06-26
License
Apache-2.0
Issues
73 open
Forks
791
Commits
365 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Agenta-AI/agenta

Agenta is a workspace where you and your team build agents and automations.

AI dev
Updated
2026-09-03
Lists
5 list mentions
First commit
2023-04-27
License
NOASSERTION
Issues
343 open
Forks
663
Commits
26,797 commits
Star growth, last 7 days
+102 +2.2%
Commit velocity, last 7 days
+520 +2.0%
lmnr-ai/lmnr

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

AI dev
Updated
2026-08-01
Lists
1 list mention
First commit
2024-08-29
License
Apache-2.0
Issues
111 open
Forks
221
Commits
1,760 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
Updated
2026-08-03
Lists
4 list mentions
First commit
2024-01-23
License
Apache-2.0
Issues
53 open
Forks
343
Commits
949 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.

Updated
2026-07-29
Lists
1 list mention
First commit
2024-10-25
License
Apache-2.0
Issues
30 open
Forks
96
Commits
1,770 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
SponsioLabs/Sponsio

Deterministic safety solutions for probabilistic AI agents

AI dev
Updated
2026-08-07
Lists
1 list mention
First commit
2026-04-04
License
Apache-2.0
Issues
5 open
Forks
28
Commits
194 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history