Hacker ApprovedDepartments

Agent37

Ranked 5 of 12 cloud sandboxes by recommenders

Low-cost agent sandboxes, cheaper than Boat and Cloudflare by many people's comparisons. Caveat: gVisor limits, and low prices only for preset templates.

Low-cost agent sandboxes, cheaper than Boat and Cloudflare by many people's comparisons. Caveat: gVisor limits, and low prices only for preset templates.

17 people gave an opinion

recommend it
15
criticize it
2
approval share
88%
Each figure is one person. RecommendsCriticizes

Recommended in 3 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 15 people recommend itNeeds 10 or more, met.
  • 7.5 recommenders for every criticNeeds 2 to 1 or better, 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

  • Much cheaper than alternatives

    “This is amazing! We are using Box (now Boat dev) and yours is the first offering that looked even more economical.”

    Comment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

    “if you can use sprites you can use agent37. We're also about 94% lower cost than them.”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

    “our default sandboxes are about 2.8X cheaper than boat”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”
  • Better price-performance for tasks

    “agent37 is an order of magnitude better in price/performance ratio for any given task”

    Comment from 14 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

    “pricing is certainly appealing”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”
  • Easy setup and use

    “Agent 37 is literally the easiest Openclaw setup at this point”

    Comment from 11 Feb 2026 in “Show HN: Open source setup to self-host OpenClaw instances on any host”

    “super easy to set up and use”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”
  • Promising infrastructure and direction

    “This is really impressive work on the infrastructure side.”

    Comment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

    “This feels like the right direction.”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

What people warn about

Each mark is one comment

  • Hard to earn value at this price

    “It's hard to make a sustainable business when selling something that costs $5 a month to developers”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

    “it will be difficult to capture much value selling this offering”

    Comment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

Other cloud sandboxes people recommend

The four most recommended other cloud sandboxes, 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.

Agent37 compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Sprites583066%113 mo4 owners—
E2B23485%9—Approved
Deno Sandbox21970%4—Approved
Freestyle Sandboxes20871%2——
Agent37This page15288%3——
See all 12 cloud sandboxes, ranked

What people said

22 of the 27 comments that mention it, newest first. Each links to the original comment.

“agent37 is an order of magnitude better in price/performance ratio for any given task”

RecommendsComment from 14 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“What I find though is 80% of the times these are good enough.”

RecommendsComment from 14 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“This is really impressive work on the infrastructure side.”

RecommendsComment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“the low prices are only for pre-defined agent templates like hermes/pi/opencode”

MixedComment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“capabilities wise we have to limit certain things on what gvisor based sandboxes can do”

MixedComment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“This is amazing! We are using Box (now Boat dev) and yours is the first offering that looked even more economical.”

RecommendsComment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“It's about 30X lower cost than cloudflare sandboxes.”

RecommendsComment from 13 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“This feels like the right direction.”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“as you bump more RAM, agent37 is around 5x cheaper”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“It's hard to make a sustainable business when selling something that costs $5 a month to developers”

MixedComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“if you can use sprites you can use agent37. We're also about 94% lower cost than them.”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“Sandboxes look a bit commoditized.”

CriticizesComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“our default sandboxes are about 2.8X cheaper than boat”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“we're about 3X cheaper than boat”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“Pretty cool, trying it out.”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“it will be difficult to capture much value selling this offering”

MixedComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“pricing is certainly appealing”

RecommendsComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“super easy to set up and use”

MixedComment from 12 Oct 2026 in “Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents”

“streamlines workflows, enhances productivity, and enables teams to focus on their core tasks.”

RecommendsComment from 18 Feb 2026 in “Agent37”

“Agent 37 is literally the easiest Openclaw setup at this point”

RecommendsComment from 11 Feb 2026 in “Show HN: Open source setup to self-host OpenClaw instances on any host”

“it's just a more powerful agentic CustomGPT that they can easily monetize”

RecommendsComment from 29 Dec 2025 in “Show HN: Agent37 – Monetize your Claude skills with shareable links”

“Making skills instantly usable via a link is a big unlock.”

RecommendsComment from 29 Dec 2025 in “Show HN: Agent37 – Monetize your Claude skills with shareable links”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.