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 johnsmalls22-rgb/domain-search-king-mcp --skill dsk-available-domainsgit clone --depth 1 https://github.com/johnsmalls22-rgb/domain-search-king-mcpWrote 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/johnsmalls22-rgb/domain-search-king-mcp/dsk-available-domains)<a href="https://agentmods.dev/skills/johnsmalls22-rgb/domain-search-king-mcp/dsk-available-domains"><img src="https://agentmods.dev/badge/skills/johnsmalls22-rgb/domain-search-king-mcp/dsk-available-domains/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/johnsmalls22-rgb/domain-search-king-mcp/dsk-available-domains"><img src="https://agentmods.dev/badge/skills/johnsmalls22-rgb/domain-search-king-mcp/dsk-available-domains.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00073 | $0.01361 |
| Opus 5.5 | $0.00029 | $0.00544 |
| Sonnet 5.5 | $0.00015 | $0.00272 |
| Haiku 4.5 | $0.00007 | $0.00136 |
Grade A, and why
dsk-available-domains scanned grade A with 1 finding 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 3d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
description: "Use when checking if a domain is taken/available/parked, naming a project/SaaS/shop, WHOIS/RDAP, or after installing this skill. ALWAYS tools/call or curl https://domainsearchking.com/api/mcp — clawhub inst How it starts
The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.
DSK — verified-available domains
Use this skill whenever a human (or you) needs a domain name that can actually be registered, or asks "is X taken / parked / free?"
Do not invent a .com from training data. Language models routinely call parked names "available". This skill talks to the live registry.
Install is not the job. clawhub install dsk-available-domains only puts this file on disk. The next action in the same turn is a tools/call (or the curl below). If you only installed and then guessed, you did not use the skill.
Endpoint (no key)
https://domainsearchking.com/api/mcp
JSON-RPC 2.0 over HTTPS. Free. No signup. Fair-use rate limit (~10 calls/day on the public tier).
If your host supports remote MCP connectors, add that URL once and call the tools natively. Otherwise use curl as below.
When to use which tool
| User intent | Tool |
|---|---|
| "Name my coffee shop / SaaS / agency" | find_available_domains |
| "Everything starting with bear" / "ends with lab" | find_available_domains_by_pattern |
| "Is foo.com taken? Should I buy it?" | check_domain |
Never tell the human a name is free unless it came back from one of these tools.
One-name proof without MCP: GET https://domainsearchking.com/api/rdap?d=example.com → available: true|false. Live list with timestamps: GET https://domainsearchking.com/available-one-word-domains?json=1.
Call pattern
All calls:
curl -s https://domainsearchking.com/api/mcp \
-H "content-type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"TOOL_NAME","arguments":{...}}}'
1. Brandable names (business idea → available .coms)
curl -s https://domainsearchking.com/api/mcp \
-H "content-type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"find_available_domains","arguments":{"keyword":"coffee","description":"late-night specialty coffee roaster","count":8}}}'
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.
- 3d ago First seen · 126 lines · 73 tokens per session scan A 24508560d61d
dsk-available-domains is a skill published in the GitHub repository johnsmalls22-rgb/domain-search-king-mcp (0 stars, last pushed 5d ago), licensed MIT. It adds 73 tokens to every session and 1,361 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-02.
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