# Cloudflare Sandboxes

Hacker Approved page: https://hackerapproved.com/p/cloudflare-sandboxes/

5 people recommended Cloudflare Sandboxes in Hacker News comments, 1 had mixed feelings and none criticized it, November 2025 to October 2026. It was recommended in 3 of 12 months, in 5 threads. It does not meet the Hacker Approved badge rule.

**Verdict:** Recommended for running agent coding loops cheaply and quickly, with a safe sandbox and persistent agent state. Critics say it costs more than most alternatives.

Summary written by Claude from 6 comments. It was written before the November 2026 recount, and 5 of those comments still count.

## Why people recommend it

- Cheap, fast, safe agent sandboxing (3 comments in the sample): "It's awesome how cheaply you can run an entire agentic coding loop (including compilation & live reload) in their v8 isolate sandbox." ([source](https://news.ycombinator.com/item?id=50185454)) "this seems like a game changer and has all the features needed for a safe sandbox with persistent agent states" ([source](https://news.ycombinator.com/item?id=47783303)) "Cloudflare is ahead of the game for pricing and performance" ([source](https://news.ycombinator.com/item?id=47674891))

## Other cloud sandboxes people recommend

- [Sprites](https://hackerapproved.com/p/sprites/): 34 recommend, 17 mixed, 23 criticize
- [Deno Sandbox](https://hackerapproved.com/p/deno-sandbox/): 16 recommend, 4 mixed, 8 criticize
- [E2B](https://hackerapproved.com/p/e2b/): 15 recommend, 3 mixed, 4 criticize
- [Shellbox](https://hackerapproved.com/p/shellbox/): 7 recommend, 4 mixed, 1 criticize

## Where to get it

- [Visit the official site](https://developers.cloudflare.com/sandbox/)

## The badge

A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged.

## Cite as

Hacker Approved, "Cloudflare Sandboxes", https://hackerapproved.com/p/cloudflare-sandboxes/ (5 recommend, 1 mixed, 0 criticize; Hacker News comments, November 2025 to October 2026).

Counts updated 2 Nov 2026, with data through October 31, 2026.
