# comma by nix-community

Hacker Approved page: https://hackerapproved.com/p/comma/

6 people recommended comma by nix-community in Hacker News comments, 1 had mixed feelings and 4 criticized it, November 2025 to October 2026. It was recommended in 4 of 12 months, in 6 threads. It does not meet the Hacker Approved badge rule.

**Verdict:** Lets you run a Nix package by prefixing a command with a comma, downloading and running it once without installing it.

Summary written by Claude from 11 comments.

## Why people recommend it

- Runs tools without installing them (2 comments in the sample): "Also incredibly useful with "comma" so Claude can directly use tools that are not installed yet or only one-off" ([source](https://news.ycombinator.com/item?id=49149021)) "It then downloads that app and runs it once, without “installing” it." ([source](https://news.ycombinator.com/item?id=46924562))
- Works well with AI coding agents (1 comment in the sample): "I love that he used zsh and comma with pi!" ([source](https://news.ycombinator.com/item?id=48275591))

## Other task runners people recommend

- [just command runner](https://hackerapproved.com/p/just/): 26 recommend, 3 mixed, 3 criticize
- [Task](https://hackerapproved.com/p/task/): 6 recommend, 0 mixed, 1 criticize

## 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, "comma by nix-community", https://hackerapproved.com/p/comma/ (6 recommend, 1 mixed, 4 criticize; Hacker News comments, November 2025 to October 2026).

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