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/utsavanand/uv-suite/uvs-specnpx skills add utsavanand/uv-suite --skill uvs-specgit clone --depth 1 https://github.com/utsavanand/uv-suiteWrote 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/utsavanand/uv-suite/uvs-spec)<a href="https://agentmods.dev/skills/utsavanand/uv-suite/uvs-spec"><img src="https://agentmods.dev/badge/skills/utsavanand/uv-suite/uvs-spec.svg" alt="Measured on agentmods" 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 | $0.00023 | $0.00611 |
| Opus 5 | $0.00012 | $0.00305 |
| Sonnet 5 | $0.00005 | $0.00122 |
| Haiku 4.5 | $0.00002 | $0.00061 |
Grade A, and why
uvs-spec 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 5d 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
Requirements
$ARGUMENTS
Session output directory
Write the spec under this directory (it is scoped to the current session, so artifacts are attributable to the session that produced them):
!"${CLAUDE_PROJECT_DIR:-.}"/.claude/hooks/uv-out-session.sh
Step 0 — Gather context (do this FIRST, before writing)
The codebase map, prior specs, and decisions for this project are auto-loaded below (from
uv-out/). Read them first — they are the indexed view of the existing codebase. Then use
AskUserQuestion to ask the user only for what those don't cover: specific files, modules,
API contracts, or data models the spec must account for. Read every file they name before
drafting. Greenfield (no map, no relevant code) → proceed without. Don't guess at relevant
files — ground in the map or ask.
Project context
!cat CLAUDE.md 2>/dev/null || echo "No CLAUDE.md found"
Existing architecture
!ls -la docs/architecture* 2>/dev/null || echo "No architecture docs found"
What we already know about this codebase (from uv-out)
Prior UV Suite artifacts for THIS project. Ground the spec in them — reference real modules and patterns from the map, reuse existing conventions, and build on (don't re-spec) what's already captured.
Codebase map (architecture, domains, entry points)
!"${CLAUDE_PROJECT_DIR:-.}"/.claude/hooks/uv-out-best.sh map-codebase.md 120 || echo "No codebase map — run /uvs-understand first for a grounded spec"
Stack map (if a multi-service system)
!"${CLAUDE_PROJECT_DIR:-.}"/.claude/hooks/uv-out-best.sh map-stack.md 80 || echo "No stack map"
Prior specs (build on these; don't duplicate)
!"${CLAUDE_PROJECT_DIR:-.}"/.claude/hooks/uv-out-best.sh 'specs/*.md' 80 || echo "No prior specs"
Architecture decisions
!"${CLAUDE_PROJECT_DIR:-.}"/.claude/hooks/uv-out-best.sh 'architecture/decisions.md' 60 || echo "No architecture decisions found"
Today's date
!date +%Y-%m-%d
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.
- 5d ago First seen · 73 lines · 23 tokens per session scan A dc1621137521
uvs-spec is a skill published in the GitHub repository utsavanand/uv-suite (2 stars, last pushed 2mo ago), licensed MIT. It adds 23 tokens to every session and 611 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 2026-08-31.
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