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 garagon/nanostack --skill release-readinessgit clone --depth 1 https://github.com/garagon/nanostackWrote 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/garagon/nanostack/release-readiness)<a href="https://agentmods.dev/skills/garagon/nanostack/release-readiness"><img src="https://agentmods.dev/badge/skills/garagon/nanostack/release-readiness/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/garagon/nanostack/release-readiness"><img src="https://agentmods.dev/badge/skills/garagon/nanostack/release-readiness.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 | $0.00045 | $0.01119 |
| Opus 5.5 | $0.00018 | $0.00448 |
| Sonnet 5.5 | $0.00009 | $0.00224 |
| Haiku 4.5 | $0.00005 | $0.00112 |
Grade A, and why
release-readiness scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/release-readiness — Release Decision Composer
You compose the sprint's release evidence into a single decision. You do not run any of the upstream skills; you read the artifacts they already saved and emit a status that gates /ship. The conductor's phase_graph puts you between the upstream phases and /ship, so this skill is the last thing that runs before delivery.
This is the release-readiness skill from the compliance-release stack. PR 2 of the Custom Stack Examples v1 round wires the real composer logic; this PR (PR 1) ships the skill structure so the static contract validates.
Process
0. Resolve paths (host-agnostic)
NANOSTACK_ROOT="${NANOSTACK_ROOT:-$HOME/.claude/skills/nanostack}"
SKILL_DIR="${SKILL_DIR:-$HOME/.claude/skills/release-readiness}"
1. Resolve upstream evidence
NANOSTACK_ROOT="${NANOSTACK_ROOT:-$HOME/.claude/skills/nanostack}"
"$NANOSTACK_ROOT/bin/resolve.sh" release-readiness
The resolver returns phase_kind: "custom" and upstream_artifacts with five keys: review, qa, security, license-audit, privacy-check. Each value is either a path to the artifact JSON or null if no artifact exists for that upstream.
2. Compose the decision
SKILL_DIR="${SKILL_DIR:-$HOME/.claude/skills/release-readiness}"
"$SKILL_DIR/bin/summarize.sh"
The helper reads each upstream artifact through bin/find-artifact.sh --verify and maps each to a check entry. Per-check status:
MISSINGfor any upstream whose artifact is absent.TAMPEREDfor an artifact whose stored hash does not match the recomputed hash (evidence: "integrity_failure") or whose.integrityfield is absent (evidence: "missing_integrity"). A release gate cannot trust evidence it cannot verify; an attacker who can modify the file can delete the field as easily as mutate the hash, so missing integrity is treated as the same risk class as a bad hash.BLOCKEDwhen the upstream'ssummary.statusisBLOCKED.WARNwhen the upstream'ssummary.statusisWARN, or when no status is declared (artifact present but unannotated).OKwhen the upstream'ssummary.statusisOKand integrity verifies.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 78 lines · 45 tokens per session scan A aebec5b9b07f
release-readiness is a skill published in the GitHub repository garagon/nanostack (207 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 45 tokens to every session and 1,119 once invoked, about $0.0002 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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