Borrowing it
Nothing to install: this file belongs to silo-code/silo. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/silo-code/silo/main/.agents/skills/silo-domain-modeling/SKILL.mdgit clone --depth 1 https://github.com/silo-code/siloWrote 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/silo-code/silo/silo-domain-modeling)<a href="https://agentmods.dev/skills/silo-code/silo/silo-domain-modeling"><img src="https://agentmods.dev/badge/skills/silo-code/silo/silo-domain-modeling/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/silo-code/silo/silo-domain-modeling"><img src="https://agentmods.dev/badge/skills/silo-code/silo/silo-domain-modeling.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00077 | $0.00989 |
| Opus 5.5 | $0.00031 | $0.00396 |
| Sonnet 5.5 | $0.00015 | $0.00198 |
| Haiku 4.5 | $0.00008 | $0.00099 |
Grade A, and why
silo-domain-modeling 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 1mo 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 — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Domain Modeling
Actively build and sharpen Silo's domain model as you design — not just read it. Challenging terms, inventing edge-case scenarios, and writing the glossary/decisions down the moment they crystallize is the active half of this skill; merely reading the docs below for vocabulary is a one-line habit any skill can do.
Where things live
docs/domain-language.md— the glossary. Ubiquitous language for the product: Workspaces, Navigator, Panels & Docking, Agents, Worktrees, Keybindings, and any other cluster of terms specific to Silo. Single file, single context — Silo doesn't split into bounded contexts, so there's noCONTEXT-MAP.md-style index to maintain.docs/decisions/(ADRs) — decisions already made. Readdocs/decisions/README.mdfirst for the ADR-vs-RFC test, numbering, and status vocabulary, and usedocs/decisions/template.mdfor the format. Update the index table inREADME.mdwhen adding one.docs/proposals/(RFCs) — forward-looking designs not yet decided. Readdocs/proposals/README.mdand usedocs/proposals/template.md. Same index-update rule.
During the session
Challenge against the glossary
When a term conflicts with docs/domain-language.md, call it out
immediately. "The glossary defines 'cancellation' as X, but you seem to mean
Y — which is it?"
Sharpen fuzzy language
Propose a precise canonical term for vague or overloaded language. "You're saying 'active' — the Navigator's Active View, or a Dock's Active Panel? Those are deliberately different things here."
Discuss concrete scenarios
Stress-test domain relationships with specific, edge-case scenarios that force precision about the boundaries between concepts.
Cross-reference with code and existing docs
Check whether the code, and any existing ADR/RFC, agree with what's being
stated. Surface contradictions rather than silently accepting them:
"terminal-service.ts's focus() checks the live dock (ADR 0034), but you
just described it checking activeWorkspaceId — which is current?"
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.
- 1mo ago First seen · 98 lines · 77 tokens per session scan A 01e6ac8eb3df
silo-domain-modeling is a skill published in the GitHub repository silo-code/silo (62 stars, last pushed today), licensed MIT. It adds 77 tokens to every session and 989 once invoked, about $0.0003 per session on Opus 5.5. 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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