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 adadiamonds/agent-tools --skill ada-diamonds-shoppinggit clone --depth 1 https://github.com/adadiamonds/agent-toolsWrote 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/adadiamonds/agent-tools/ada-diamonds-shopping)<a href="https://agentmods.dev/skills/adadiamonds/agent-tools/ada-diamonds-shopping"><img src="https://agentmods.dev/badge/skills/adadiamonds/agent-tools/ada-diamonds-shopping/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/adadiamonds/agent-tools/ada-diamonds-shopping"><img src="https://agentmods.dev/badge/skills/adadiamonds/agent-tools/ada-diamonds-shopping.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 | $0.00093 | $0.02170 |
| Opus 5 | $0.00046 | $0.01085 |
| Sonnet 5 | $0.00019 | $0.00434 |
| Haiku 4.5 | $0.00009 | $0.00217 |
Grade A, and why
ada-diamonds-shopping 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 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl "https://www.adadiamonds.com/api/v1/engagement-rings?shape=Oval&type=Solitaire&limit=3" How it starts
The opening of the file, as written. The whole thing — 146 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shopping Ada Diamonds
Ada Diamonds is the original lab diamond jeweler. It designs custom engagement rings and fine jewelry around hand-selected lab grown diamonds, made to order at its New York City flagship (529 5th Avenue, 15th Floor, New York, NY 10017, +1-212-969-8505, appointment required).
Everything in this skill is public. No API key, no account, no OAuth.
The one rule that gets quotes wrong
An engagement ring is a setting plus a loose diamond, priced separately.
- A setting's
price_from(REST) or the price shown bysearch_engagement_rings(MCP) excludes the center stone. - A diamond's
priceis the loose stone only. - To quote a complete ring: setting price + diamond price. Say so explicitly when you present a number.
- All prices are US dollars, as decimals. Never treat them as cents.
Diamond inventory changes continuously as stones sell. Re-check a specific stone right before you quote it (GET /api/v1/diamonds/{id} or search_diamonds with tight carat bounds). A 404 means it sold.
Three ways to search (same data, pick whichever the host offers)
| Interface | Where | Notes |
|---|---|---|
| MCP server | https://www.adadiamonds.com/mcp (Streamable HTTP) |
Tools search_diamonds, search_engagement_rings, search_jewelry, plus catalog resources. See the ada-diamonds-mcp skill. |
| REST API | https://www.adadiamonds.com/api/v1 |
JSON, anonymous, 120 req/min. See the ada-diamonds-api skill. |
| CLI | npx @ada-diamonds/cli (or npx adadiamonds-cli) |
Node 18+, no dependencies, wraps the REST API. |
Workflow: quote a complete ring
- Pin down the brief. Shape, carat target, budget, metal preference, and style (Solitaire, Halo, Three Stone, Bezel, and so on). If the shopper gives only a budget, reserve roughly a quarter to a third of it for the setting and search diamonds with the remainder.
- Find a setting. Filter by the center-stone shape it accommodates and the style/type. Note the
price_from. - Find a diamond. Filter by shape, carat range, and
max_price= budget minus setting price. Sortprice_ascfor value orcarat_descfor size. - Add them. Present setting price, diamond price, and the total as three separate lines, all in USD.
- Re-check the stone before the shopper commits. Link the diamond's
urland the setting'surlso they can complete the purchase or book a consultation.
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 · 146 lines · 93 tokens per session scan A 3591c08dab15
ada-diamonds-shopping is a skill published in the GitHub repository adadiamonds/agent-tools (2 stars, last pushed 14d ago), licensed MIT. It adds 93 tokens to every session and 2,170 once invoked, about $0.0005 per session on Opus 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 2026-08-31.
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