June 2026 cohort / AI and machine learning
Build A Harness
OnlineAn open-source visual canvas and runtime for building, verifying, and deploying AI agent harnesses.
- Status
- Onlinesince Nov 5, 2026
- First launched
- Jun 24, 2026
- Category
- AI and machine learning
- Type
- Developer tool
- Pricing
- Open source
- Domain
- buildaharness.com
Last 30 days
100% of checks answered · median response 725 ms
- Oct 8, 2026: Not checked
- Oct 9, 2026: Not checked
- Oct 10, 2026: Not checked
- Oct 11, 2026: Not checked
- Oct 12, 2026: Not checked
- Oct 13, 2026: Not checked
- Oct 14, 2026: Not checked
- Oct 15, 2026: Not checked
- Oct 16, 2026: Not checked
- Oct 17, 2026: Not checked
- Oct 18, 2026: Not checked
- Oct 19, 2026: Not checked
Domain and certificate
- Registrar
- Cloudflare, Inc.
- Registered
- Jun 21, 2026 · the week of launch
- Renewal due
- Jun 21, 2027 · in 7 months
- DNS
- Cloudflare
- HTTPS certificate
- valid to Dec 20, 2026 · 44 days left
Registration data for buildaharness.com from the registry's public RDAP service, looked up Nov 5, 2026.
History
Launched
Online
· online
- Last checked Nov 5, 2026
Alternatives to Build A Harness
All ai and machine learning →Similar products, all online at their last check.
A TypeScript framework for building agent applications from composable agents, tools, and shared runtime features.
An open-source framework for building deterministic AI agent workflows with typed fields and visual workflow tools.
