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 agentmods add skills/agenturehq/agenture-loop/designnpx skills add AgentureHQ/agenture-loop --skill designgit clone --depth 1 https://github.com/AgentureHQ/agenture-loopWhat 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 | $0.00054 | $0.01301 |
| Opus 5 | $0.00027 | $0.00651 |
| Sonnet 5 | $0.00011 | $0.00260 |
| Haiku 4.5 | $0.00005 | $0.00130 |
Grade A, and why
design 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 2d 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 — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Design (/agn:design <level>)
Arguments
| Position | Variable | Value |
|---|---|---|
$0 |
level | product, epic, or feature |
Argument validation
If $0 is missing, stop and ask:
"What level — product, epic, or feature?"
If $0 is not one of product, epic, feature, stop and list the valid set.
Dispatch
Read $0. Run exactly one of the branches below.
$0 = product
Preconditions
Required before starting:
docs/vision.mddocs/spec.mddocs/requirements.md
If any are missing, stop and tell the user: Cannot run /agn:design product — definition documents not found. Run /agn:define product first.
Output
| Artifact | Path |
|---|---|
| High-level architecture | docs/architecture.md |
In scope: technology choices, system architecture, domain dictionary (key terms), workflows and key APIs, security mechanisms.
Out of scope: detailed API signatures, database schemas, function-level design — those belong in task-level detailed design during implementation.
Workflow
-
Draft
docs/architecture.mdfrom the definition documents. -
Review cycle with the user: incorporate feedback.
-
Self-validation — produce a report covering: completeness, consistency with specs, over/under-engineering, design-principle issues.
-
Document consistency — If architectural decisions change scope (e.g. defer a feature), update
docs/spec.mdand/ordocs/requirements.mdand state why. Chain: vision → spec → requirements → architecture. -
Gate — User explicitly approves before
/agn:define epicor/agn:define feature.
Product-branch discipline
- Do not invent requirements; align with definition docs or flag conflicts to the user.
- Architecture impact that contradicts prior commitments requires explicit user agreement.
$0 = epic
Preconditions
The epic file must exist under tasks/epics/. If it does not, stop and direct the user to /agn:define epic.
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.
- 2d ago First seen · 136 lines · 54 tokens per session scan A 2d23858715ff
design is a skill published in the GitHub repository AgentureHQ/agenture-loop (2 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 54 tokens to every session and 1,301 once invoked, about $0.0003 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 2026-08-31.
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