Hacker ApprovedDepartments

yolo-cage

Shares rank 15 of 17 agent sandboxes by recommenders

Wraps the official CLI in a sandbox that scans egress for secrets and isolates git branches, so a confused agent does less damage. Critics doubt it stops malicious attacks.

Wraps the official CLI in a sandbox that scans egress for secrets and isolates git branches, so a confused agent does less damage. Critics doubt it stops malicious attacks.

10 people gave an opinion

recommend it
6
criticize it
4
approval share
60%
Each figure is one person. RecommendsCriticizes

Recommended in 1 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: not 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: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 6 people recommend itNeeds 10 or more, not met.
  • 1.5 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 1 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

  • Defense in depth around the agent

    “The logic is Defense in Depth. Even if the "cage" code is AI-written and imperfect, it still creates a barrier.”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

    “The main value adds are the two indirections between the agent and the outside world.”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

    “I do believe that yolo-cage provides security in depth”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”
  • Limits blast radius of confused agents

    “It's designed to be fairly safe in exactly that situation”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

    “capping the blast radius of a confused agent”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

What people warn about

Each mark is one comment

  • Doubts safety benefits and hardening

    “it hints that the architecture hasn't been properly hardened from the start”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

    “I'm really not seeing the safety benefits here.”

    Comment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

Other agent sandboxes people recommend

The four most recommended other agent 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.

yolo-cage compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Docker Sandboxes503956%9——
NVIDIA OpenShell36882%9—Approved
Claude Code sandbox161847%6——
MXC (Microsoft Execution Containers)151747%1——
yolo-cageThis page6460%1——
See all 17 agent sandboxes, ranked

What people said

13 of the 14 comments that mention it, newest first. Each links to the original comment.

“The main value adds are the two indirections between the agent and the outside world.”

RecommendsComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“The logic is Defense in Depth. Even if the "cage" code is AI-written and imperfect, it still creates a barrier.”

RecommendsComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“It's designed to be fairly safe in exactly that situation”

RecommendsComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“yolo-cage is pretty heavyweight”

CriticizesComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“sadly won't work against malicious attacks”

MixedComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“yolo-cage is that boilerplate.”

MixedComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“I was actively looking for a solution”

RecommendsComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“yolo-cage was built to be compatible with the Max subscription while remaining TOS-compliant because it wraps the official CLI with no modifications”

MixedComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“capping the blast radius of a confused agent”

RecommendsComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“I do believe that yolo-cage provides security in depth”

RecommendsComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“I'm really not seeing the safety benefits here.”

CriticizesComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“it hints that the architecture hasn't been properly hardened from the start”

CriticizesComment from 21 Jan 2026 in “Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets”

“scans all egress traffic for secrets (API keys, tokens, SSH keys), enforces git branch isolation”

RecommendsComment from 13 Jan 2026 in “YOLO-cage: AI coding agents that can't exfiltrate secrets or merge their own PRs”

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