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FiloSottile
mkcert
Go2018–2026
FiloSottile / mkcert

mkcert

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

50Distinct people
62Mentions
0Explicit recommenders
59.9KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:56:07 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year62 dated mentions

Observed mentions: 2018-06-26 05:47:59 UTC to 2026-01-28 21:55:08 UTC.

0369122018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 9 mentions; 4 submissions, 5 comments20182019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 7 mentions; 0 submissions, 7 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 11 mentions; 2 submissions, 9 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 6 mentions; 0 submissions, 6 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 2 mentions; 1 submissions, 1 comments20222023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 10 mentions; 0 submissions, 10 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 11 mentions; 2 submissions, 9 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 5 mentions; 0 submissions, 5 comments2026-01-01 00:00:00 UTC to 2027-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments. Incomplete calendar period.2026*

* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC945
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC707
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC1129
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC606
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC211
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC10010
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC1129
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC505
2026 (partial)2026-01-01 00:00:00 UTC2027-01-01 00:00:00 UTC101

What Hacker News says

62 sources
> So is it just a wrapper around MitM Proxy? Yes. I created something similar months ago [*] but using Envoy Proxy [1], mkcert [2], my own Go (golang) server, and Little Snitch [3]. It works quite well. I was the first person to notice that Codex CLI now sends telemetry to ab.chatgpt.com and other curiosities like that, but I never bothered to open-source my implementation because I know that anyone genuinely interested could easily replicate it in an afternoon with their favourite Agent CLI. [1] https://www.envoyproxy.io/ [2] https://github.com/FiloSottile/mkcert [3] https://www.obdev.at/products/littlesnitch/ [*] In reality, I created this something like 6 years ago, before LLMs were popular, originally as a way to inspect all outgoing HTTP(s) traffic from all the apps installed in my macOS system. Then, a few months ago, when I started
Read the rest
using Codex CLI, I made some modifications to inspect Agent CLI calls too.
In Show HN: A MitM proxy to see what your LLM tools are sending
If anyone wants their own HSM, Nitrokey and Yubikey sell them: * https://shop.nitrokey.com/shop/nkhs2-nitrokey-hsm-2-7 * https://www.yubico.com/product/yubihsm-2-series/yubihsm-2/ Consider buying two to have backups ((encrypted) export/import-backup/restore is supported). Creating your own CA: * https://docs.nitrokey.com/hsm/mac/certificate-authority Considering using 'helper software' for running a CA: * https://github.com/smallstep / https://smallstep.com/docs/step-ca/ * https://github.com/OpenVPN/easy-rsa * https://hohnstaedt.de/xca/ * https://github.com/FiloSottile/mkcert (good for on-one-host dev stuff)
In The Backbone of Cybersecurity: Hardware Security Modules

Showing the 15 most recent of 62 sources. Enable JavaScript to search and browse every indexed mention.

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