Prime Agent
Ranked 6 of 10 agent harnesses by recommenders
Recommended for session handling that lets agents reference other sessions, and for speed. Critics say it is neat but not revolutionary.
Recommended for session handling that lets agents reference other sessions, and for speed. Critics say it is neat but not revolutionary.
14 people gave an opinion
- recommend it
- 7
- criticize it
- 7
- approval share
- 50%
Recommended in 3 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 7 people recommend itNeeds 10 or more, not met.
- 1 recommender for every criticNeeds 2 to 1 or better, not met.
- Recommended in 3 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Session handling and cross-session references
“I primarily like how it manages sessions, and how agents can easily reference other sessions.”
Comment from 23 Aug 2026 in “What Is a Harness?” “I also like prime-agent's way of handling sessions better than any other harness i've used.”
Comment from 22 Aug 2026 in “Quick impressions: A week of using Codex more than Claude” Liked by daily users
“For a while it felt like a superpower compared to other harnesses”
Comment from 10 Oct 2026 in “Rewriting Prime Agent in Rust” “Been running it using Prime Agent and absolutely love it.”
Comment from 7 Aug 2026 in “DeepSeek V4 Flash 0731” Strong results, including ARC-AGI-3
“I like the results a lot. And you get to see thinking tokens.”
Comment from 21 Aug 2026 in “Quick impressions: A week of using Codex more than Claude” “It is impressive that it (almost) saturates ARC-AGI-3”
Comment from 5 Aug 2026 in “Prime Agent: A self-improving RLM agent”
What people warn about
Each mark is one comment
Benchmark results may be overstated
“It's likely that it gave itself more than the maximum number of tries to learn the games”
Comment from 5 Aug 2026 in “Prime Agent: A self-improving RLM agent” “without any concrete examples of performance on real tasks”
Comment from 6 Aug 2026 in “Prime Agent: A self-improving RLM agent” LLM-generated code with little review
“LLM-generated code that seemingly went without much review or design”
Comment from 5 Aug 2026 in “Prime Agent: A self-improving RLM agent” “so they shipped slop? Succumbed to their own AI psychosis?”
Comment from 6 Aug 2026 in “Prime Agent: A self-improving RLM agent”
Other agent harnesses people recommend
The four most recommended other agent harnesses, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Hermes Agent by Nous Research | 129 | 32 | 80% | 10 | 1 mo3 owners | Approved |
| Munder Difflin | 11 | 10 | 52% | 1 | — | — |
| Omnigent | 10 | 1 | 91% | 4 | — | Approved |
| Raven | 8 | 3 | 73% | 3 | — | — |
| Prime AgentThis page | 7 | 7 | 50% | 3 | — | — |
What people said
All 19 comments that mention it, newest first. Each links to the original comment.
“For a while it felt like a superpower compared to other harnesses”
“significantly faster and more resource efficient”
“none of them really completely satisfied me for the way I work”
“prime-agent tried something new fwiw”
“ds is really good in prime-agent”
“sounds like a very cool project”
“I primarily like how it manages sessions, and how agents can easily reference other sessions.”
“I also like prime-agent's way of handling sessions better than any other harness i've used.”
“I like the results a lot. And you get to see thinking tokens.”
“it can do that and it will do it well even”
“Been running it using Prime Agent and absolutely love it.”
“without any concrete examples of performance on real tasks”
“installs to the homebrew dir, despite not being a homebrew package”
“going to rip through tokens like crazy”
“so they shipped slop? Succumbed to their own AI psychosis?”
“Overall I chalk it up as neat, but not revolutionary.”
“It's likely that it gave itself more than the maximum number of tries to learn the games”
“It is impressive that it (almost) saturates ARC-AGI-3”
“LLM-generated code that seemingly went without much review or design”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.