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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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- 141
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- 108
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- 333
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- 105
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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
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
- 2026-07-17
- Lists
- 11 list mentions
- First commit
- 2023-05-18
- License
- NOASSERTION
- Issues
- 709 open
31,301
stars
- Forks
- 3,298
- Commits
- 7,985 commits
- Star growth, last 7 days
- +397 +1.3%
- Commit velocity, last 7 days
- +122 +1.6%
promptfoo/promptfoo
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.
AI dev
GitHub topics
- Updated
- 2026-07-07
- Lists
- 7 list mentions
- First commit
- 2023-03-31
- License
- MIT
- Issues
- 397 open
22,984
stars
- Forks
- 2,049
- Commits
- 9,142 commits
- Star growth, last 7 days
- No 7-day history
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- 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
- 2026-07-17
- Lists
- 9 list mentions
- First commit
- 2024-09-02
- License
- Apache-2.0
- Issues
- 151 open
20,642
stars
- Forks
- 1,612
- Commits
- 6,432 commits
- Star growth, last 7 days
- +111 +0.5%
- Commit velocity, last 7 days
- +56 +0.9%
dottxt-ai/outlines
Structured Outputs
AI dev
GitHub topics
- Updated
- 2026-07-13
- Lists
- 4 list mentions
- First commit
- 2023-03-17
- License
- Apache-2.0
- Issues
- 119 open
14,507
stars
- Forks
- 777
- Commits
- 1,289 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
Arize-ai/phoenix
AI Observability & Evaluation
AI dev
GitHub topics
- Updated
- 2026-07-02
- Lists
- 5 list mentions
- First commit
- 2022-11-09
- License
- NOASSERTION
- Issues
- 613 open
10,369
stars
- Forks
- 952
- Commits
- 8,940 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
- 2026-07-05
- Lists
- 5 list mentions
- First commit
- 2022-11-29
- License
- Apache-2.0
- Issues
- 128 open
5,954
stars
- Forks
- 629
- Commits
- 5,478 commits
- Star growth, last 7 days
- +22 +0.4%
- Commit velocity, last 7 days
- 0 0.0%
GammaLabTechnologies/harmonist
Portable AI agent orchestration with mechanical protocol enforcement. 186 agents, zero runtime dependencies.
Stack
GitHub topics
- Updated
- 2026-06-09
- Lists
- 1 list mention
- First commit
- 2026-04-23
- License
- MIT
- Issues
- 0 open
2,254
stars
- Forks
- 230
- Commits
- 10 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%