add-custom-domain

add-custom-domain is a skill for Claude Code, Codex from gotempsh/temps. It costs 153 tokens per session (998 once invoked), scanned A, original, Apache-2.0.

A setup guide for connecting a custom web address to a Temps project and getting an automatic HTTPS certificate from Let's Encrypt. It covers regular domains, subdomains, and wildcard domains.

In plain words
What is it for?
Use it when an app should be available at an address such as app.example.com instead of a Temps-provided subdomain. It helps configure DNS and complete HTTP or DNS ownership checks.
Why use it?
It removes the need to work out the domain and certificate setup through the Temps dashboard. It also explains the DNS checks needed before the address can work.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/gotempsh/temps/add-custom-domain
Any agent
npx skills add gotempsh/temps --skill add-custom-domain
Clone the repo
git clone --depth 1 https://github.com/gotempsh/temps

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for add-custom-domain

README.md
[![agentmods](https://agentmods.dev/badge/skills/gotempsh/temps/add-custom-domain.svg)](https://agentmods.dev/skills/gotempsh/temps/add-custom-domain)
Your own site
<a href="https://agentmods.dev/skills/gotempsh/temps/add-custom-domain"><img src="https://agentmods.dev/badge/skills/gotempsh/temps/add-custom-domain.svg" alt="Measured on agentmods" height="20"></a>
Per session 153 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 998 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00153 $0.00998
Opus 5 $0.00077 $0.00499
Sonnet 5 $0.00031 $0.00200
Haiku 4.5 $0.00015 $0.00100

Measured 6d ago against content hash 2ecf31d34e9f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

add-custom-domain scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/add-custom-domain/SKILL.md · 88 lines

How it starts

The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Add a Custom Domain

Add a custom domain to a Temps project and get automatic HTTPS. This skill drives the whole flow from the CLI; the human equivalent is Project → Domains → Add Domain in the dashboard.

When to use

The user wants their own domain (e.g. app.example.com) serving a Temps project, with an SSL certificate, instead of the auto-assigned subdomain.

Prerequisites

  • The Temps CLI is authenticated. Verify, and log in to the user's instance if needed (login is a top-level command; the instance URL is the positional argument):
    bunx @temps-sdk/cli whoami || bunx @temps-sdk/cli login "<instance_url>"
    
  • The user knows the domain to add and which project it belongs to.
  • The user can edit DNS for the domain (or has a DNS provider connected in Temps for DNS-01 / wildcard).

Steps

  1. Identify the project. If the user gave a name but not an ID, list projects and resolve it:

    bunx @temps-sdk/cli projects list --json
    

    Note the numeric id of the target project. Use it as <project-id> below.

  2. Create the DNS record at the user's DNS provider so the domain points at the Temps server. Tell the user exactly what to add (you cannot create this for them unless a DNS provider is connected in Temps):

    • Subdomain (app.example.com): A record, name app, value = the server's public IP. A CNAME to the server hostname also works.
    • Apex (example.com): A record, name @, value = the server's IP. (CNAMEs are not allowed at the zone root.)
    • If the user is on Cloudflare, have them set the record to DNS only (grey cloud) during issuance so Temps' Let's Encrypt challenge isn't proxied.
  3. Add the domain to the project. Default is the HTTP-01 challenge, handled automatically:

    bunx @temps-sdk/cli custom-domains create --project-id <project-id> -d app.example.com -y
    
    • Apex + Cloudflare/another provider connected, or port 80 not reachable: use DNS-01 instead (see Wildcard below) — confirm a DNS provider is connected in Settings → DNS Providers first.

Read the full file on GitHub · 88 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 6d ago First seen · 88 lines · 153 tokens per session scan A 2ecf31d34e9f

Subscribe to this mod's changes

add-custom-domain is a skill published in the GitHub repository gotempsh/temps (713 stars, last pushed today), licensed Apache-2.0. It adds 153 tokens to every session and 998 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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