The best agent harnesses, according to hackers
10 agent harnesses were recommended on Hacker News between November 2025 and November 2026. We rank them by how many separate people recommend each one, and 2 earn the Hacker Approved badge.
Top picks
The two most recommended agent harnesses with the badge. Each figure is 10 people. RecommendsCriticizes One comment
Hermes Agent by Nous Research
129 recommend, 32 criticize, 80% approval
Ranked 1 of 10 by recommenders
Connects to chat and home tools
An easy-to-set-up personal AI agent that connects to chat apps and home tools and keeps long-term memory, though critics find it bloated and slow on local models.
Search all conversations in one place
Lets you manage sessions and workflows across multiple AI models, providers and agent harnesses from one place, with ACP support. The most common caveat is that it is still alpha.
All 10 agent harnesses, ranked
Select a column heading to sort. Approval share is recommenders out of everyone who gave an opinion; the tick on each bar marks the 2 to 1 line the badge needs. Months counts the months, out of 13, in which someone recommended it.
| Rank | |||||||
|---|---|---|---|---|---|---|---|
| 1 | Hermes Agent by Nous Research | 129 | 32 | 80% | 10 | 1 mo3 owners | Approved |
| 2 | Munder Difflin | 11 | 10 | 52% | 1 | — | — |
| 3 | Omnigent | 10 | 1 | 91% | 4 | — | Approved |
| Tied 4 | Raven | 8 | 3 | 73% | 3 | — | — |
| Tied 4 | Gambit agent harness | 8 | 0 | 100% | 2 | — | — |
| 6 | Prime Agent | 7 | 7 | 50% | 3 | — | — |
| 7 | Docker Agent | 6 | 13 | 32% | 1 | — | — |
| Tied 8 | Lightspeed (smartcomputer-ai) | 5 | 1 | 83% | 4 | — | — |
| Tied 8 | Headlong | 5 | 4 | 56% | 2 | — | — |
| Tied 8 | Agent-harness-kit | 5 | 1 | 83% | 1 | — | — |
How we rank
Rank is the number of separate people who recommend a product in a Hacker News comment over the past year. Someone who praises the same agent harness in five threads counts once.
The badge goes to agent harnesses that at least 10 people recommend, with recommenders outnumbering critics at least 2 to 1, recommended in at least 4 of the 13 months.
Rankings are never for sale. We may earn a commission when you buy through our links. It never changes the order.