preloop
The open-source AI agent control plane: MCP firewall, model gateway with budgets, human approvals and runtime observability.
AI ToolAI ProductivityCross-Platform, WebFree
4.5Visit
Website
Awesome Harness Engineering
A curated awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP and orchestration.
Day 43 since launch · Launched 25 August 2026
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What is Awesome Harness Engineering?
Awesome Harness Engineering collects the best resources on building and operating agent harnesses, the scaffolding around AI agents that handles tools, patterns, evaluations, memory, MCP, permissions, observability and orchestration. It is a curated map for engineers moving from toy demos to production agent systems.
Pros
- Deep coverage of a niche, fast-moving topic
- Organised by concern: evals, memory, permissions, orchestration
- Free and open source
Cons
- Aimed at engineers, not casual users
- A reading list, not a tool you can run
- Fast-moving field means links can age quickly
Who should use Awesome Harness Engineering
Engineers building or operating production AI agent systems.
Who may not need it
Non-technical users looking for ready-made tools.
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