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.
npx skills add Rylaispirit/rylai-codex-hermes-skills --skill domain-name-brainstormergit clone --depth 1 https://github.com/Rylaispirit/rylai-codex-hermes-skillsWrote 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.
[](https://agentmods.dev/skills/rylaispirit/rylai-codex-hermes-skills/domain-name-brainstormer)<a href="https://agentmods.dev/skills/rylaispirit/rylai-codex-hermes-skills/domain-name-brainstormer"><img src="https://agentmods.dev/badge/skills/rylaispirit/rylai-codex-hermes-skills/domain-name-brainstormer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/rylaispirit/rylai-codex-hermes-skills/domain-name-brainstormer"><img src="https://agentmods.dev/badge/skills/rylaispirit/rylai-codex-hermes-skills/domain-name-brainstormer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00031 | $0.00729 |
| Opus 5 | $0.00015 | $0.00365 |
| Sonnet 5 | $0.00006 | $0.00146 |
| Haiku 4.5 | $0.00003 | $0.00073 |
Grade A, and why
domain-name-brainstormer 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Domain Name Brainstormer
Original portable workflow by Rylai.
Use this workflow to move from a naming brief to a short, checked domain list. Treat registration data as time-sensitive and advisory.
Workflow
- Extract the product purpose, audience, tone, language, required words, forbidden words, preferred length, and acceptable TLDs.
- Generate candidates in several families:
- direct combinations
- compact compounds
- invented pronounceable names
- action or outcome names
- local-language or bilingual variants when relevant
- Remove candidates that are hard to spell, easy to mishear, misleading, or too close to a known competitor.
- Normalize each candidate to a complete domain before checking it.
- Run the bundled RDAP checker on the strongest candidates.
- Rank the results by name quality first and registration signal second.
- Tell the user to confirm price, premium status, trademark risk, and final availability with their chosen registrar.
Generate Candidates
Aim for 15 to 30 candidates before filtering. Prefer names that:
- can be spoken once and typed correctly
- avoid hyphens and digits unless the brief requires them
- remain useful if the product expands
- have no accidental negative meaning in the audience's language
- look distinct in lowercase
Do not claim a trademark is clear without a current trademark search.
Check Domains
Run commands from this skill directory:
python scripts/check_domains.py rylailabs.com rylaiworks.dev rylaihub.ai
Apply one or more TLDs to bare name stems:
python scripts/check_domains.py rylailabs rylaiworks --tld com --tld dev --tld io
Write machine-readable results:
python scripts/check_domains.py rylailabs.com rylaiworks.dev --json results.json
Useful controls:
--timeout SECONDS
--workers COUNT
--json PATH
The checker reports:
registered: RDAP returned a current domain recordlikely_available: RDAP returned a domain-not-found responseunknown: the registry, network, or rate limit did not provide a reliable answerinvalid: the domain syntax is invalid
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 104 lines · 31 tokens per session scan A fbe5cc946e17
domain-name-brainstormer is a skill published in the GitHub repository Rylaispirit/rylai-codex-hermes-skills (55 stars, last pushed 29d ago), licensed MIT. It adds 31 tokens to every session and 729 once invoked, about $0.0002 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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