Gambit agent harness
Shares rank 4 of 10 agent harnesses by recommenders
Open-source harness for building AI agents, praised for clean architecture and clear separation of logic, code and prompts. No recurring caveat appeared.
Open-source harness for building AI agents, praised for clean architecture and clear separation of logic, code and prompts. No recurring caveat appeared.
8 people gave an opinion
- recommend it
- 8
- criticize it
- 0
- approval share
- 100%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: 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: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 8 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 2 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
Clean, well-designed architecture
“fan of the design of the system. looks great architecturally”
Comment from 16 Jan 2026 in “Show HN: Gambit, an open-source agent harness for building reliable AI agents” “looks quite interesting in terms of the architecture”
Comment from 16 Jan 2026 in “Show HN: Gambit, an open-source agent harness for building reliable AI agents” “looks great architecturally”
Comment from 16 Jan 2026 in “Show HN: Gambit, an open-source agent harness for building reliable AI agents” Makes agent workflows testable
“The built-in grading/evaluation angle here feels like a practical step toward making agents less brittle and more production-ready.”
Comment from 16 Jan 2026 in “Show HN: Gambit, an open-source agent harness for building reliable AI agents” “The typed deck composition pattern is exactly right for making agent workflows testable.”
Comment from 19 Jan 2026 in “Show HN: Gambit, an open-source agent harness for building reliable AI agents”
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 |
| Gambit agent harnessThis page | 8 | 0 | 100% | 2 | — | — |
| Raven | 8 | 3 | 73% | 3 | — | — |
What people said
All 9 comments that mention it, newest first. Each links to the original comment.
“Gambit and Chez are amazing achievements.”
“The typed deck composition pattern is exactly right for making agent workflows testable.”
“I like the atomic containment of the LLM, and the clear separation of logic, code, and prompts.”
“Gambit hopefully solves some of that, giving you a set of primitives and principles that make it simpler to communicate intent.”
“The built-in grading/evaluation angle here feels like a practical step toward making agents less brittle and more production-ready.”
“Really interesting approach.”
“looks great architecturally”
“fan of the design of the system. looks great architecturally”
“looks quite interesting in terms of the architecture”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.