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.
git clone --depth 1 https://github.com/HoangYell/markdy-comWrote 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/commands/hoangyell/markdy-com/new-diagram)<a href="https://agentmods.dev/commands/hoangyell/markdy-com/new-diagram"><img src="https://agentmods.dev/badge/commands/hoangyell/markdy-com/new-diagram/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/commands/hoangyell/markdy-com/new-diagram"><img src="https://agentmods.dev/badge/commands/hoangyell/markdy-com/new-diagram.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 | $0.00020 | $0.00250 |
| Opus 5 | $0.00010 | $0.00125 |
| Sonnet 5 | $0.00004 | $0.00050 |
| Haiku 4.5 | $0.00002 | $0.00025 |
Grade A, and why
new-diagram 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 9d 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.
What it actually says
Scaffold New Markdy Diagram
Create a new .markdy diagram file in the current directory with standard directives, groups, and narrative beats:
scene "System Architecture" theme=midnight
layout LR
browser Client "Client Application"
gateway Gateway "API Gateway"
service ApiService "Core Service"
cache Cache "Redis Cache"
database Database "PostgreSQL"
group edge "Edge": Client Gateway
group backend "Backend": ApiService
group storage "Data": Cache Database
beat init "1. Request Flow":
show $nodes stagger=40ms
frame Client Gateway ApiService zoom=1.12
Client -> Gateway "POST /api/action" -> ApiService "process"
ApiService -> Cache "check cache"
ApiService <- Cache "miss"
beat persist "2. Data Persistence":
frame ApiService Database zoom=1.15
ApiService -> Database "INSERT record"
ApiService ~> Cache "SETEX key"
Client <- Gateway "200 Success"
glow Database color=#22c55e
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.
- 9d ago First seen · 38 lines · 20 tokens per session scan A 397d6e2115a5
new-diagram is a command published in the GitHub repository HoangYell/markdy-com (93 stars, last pushed 2d ago), licensed MIT. It adds 20 tokens to every session and 250 once invoked, about $0.0001 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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