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-mcpgit 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-mcp)<a href="https://agentmods.dev/skills/adadiamonds/agent-tools/ada-diamonds-mcp"><img src="https://agentmods.dev/badge/skills/adadiamonds/agent-tools/ada-diamonds-mcp/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-mcp"><img src="https://agentmods.dev/badge/skills/adadiamonds/agent-tools/ada-diamonds-mcp.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 | $0.00098 | $0.02035 |
| Opus 5 | $0.00049 | $0.01018 |
| Sonnet 5 | $0.00020 | $0.00407 |
| Haiku 4.5 | $0.00010 | $0.00203 |
Grade A, and why
ada-diamonds-mcp 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 10d 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 -X POST https://www.adadiamonds.com/mcp \ How it starts
The opening of the file, as written. The whole thing — 143 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Ada Diamonds MCP servers
Two Streamable HTTP servers, both anonymous for catalog and content. No OAuth handshake before tools/list.
| Server | URL | Purpose |
|---|---|---|
ada-diamonds |
https://www.adadiamonds.com/mcp |
Live catalog: diamonds, settings, jewelry, guides, company info, consultations |
ada-diamonds-docs |
https://www.adadiamonds.com/mcp/docs |
Read-only: the developer documentation itself (search_docs, read_doc, list_docs) |
Registry name: com.adadiamonds/ada-diamonds. Server cards: https://www.adadiamonds.com/.well-known/mcp/server-card.json (also /mcp/server-card) and https://www.adadiamonds.com/.well-known/mcp/docs-server-card.json (also /mcp/docs/server-card). Registry manifest: https://www.adadiamonds.com/server.json. A plain GET on either server URL describes it.
This repository ships both in mcp.json (Agent Plugins format), so a client that installs the plugin gets them without further configuration.
Connect
Claude Code
claude mcp add --transport http ada-diamonds https://www.adadiamonds.com/mcp
claude mcp add --transport http ada-diamonds-docs https://www.adadiamonds.com/mcp/docs
Or in .mcp.json at the project root:
{
"mcpServers": {
"ada-diamonds": { "type": "http", "url": "https://www.adadiamonds.com/mcp" },
"ada-diamonds-docs": { "type": "http", "url": "https://www.adadiamonds.com/mcp/docs" }
}
}
Claude Desktop and claude.ai
Either add it as a connector (Settings, Connectors, "Add custom connector", URL https://www.adadiamonds.com/mcp), or put it in claude_desktop_config.json (Settings, Developer, Edit Config) and restart:
{
"mcpServers": {
"ada-diamonds": { "type": "http", "url": "https://www.adadiamonds.com/mcp" }
}
}
No OAuth prompt appears for the public tools; request_consultation asks for consent when first used.
Cursor
.cursor/mcp.json (project) or ~/.cursor/mcp.json (global):
{
"mcpServers": {
"ada-diamonds": { "url": "https://www.adadiamonds.com/mcp" },
"ada-diamonds-docs": { "url": "https://www.adadiamonds.com/mcp/docs" }
}
}
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.
- 10d ago First seen · 143 lines · 98 tokens per session scan A a2ac93a95f50
ada-diamonds-mcp is a skill published in the GitHub repository adadiamonds/agent-tools (2 stars, last pushed 13d ago), licensed MIT. It adds 98 tokens to every session and 2,035 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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