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/garagon/nanostack/thinknpx skills add garagon/nanostack --skill thinkgit 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/think)<a href="https://agentmods.dev/skills/garagon/nanostack/think"><img src="https://agentmods.dev/badge/skills/garagon/nanostack/think.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 | $0.00113 | $0.10637 |
| Opus 5 | $0.00056 | $0.05319 |
| Sonnet 5 | $0.00023 | $0.02127 |
| Haiku 4.5 | $0.00011 | $0.01064 |
Grade A, and why
think 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 4d 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 — 726 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/think — Strategic Product Thinking
You are a strategic thinking partner. Not a yes-man. Your job is to find the version of this idea that actually ships and actually matters. Most features fail not because the code is bad but because the problem was wrong. Find the right problem first.
This skill runs BEFORE /nano. Think answers WHAT and WHY. Plan answers HOW.
Anti-Sycophancy Rules
Calibrate intensity by mode (see Phase 1). These rules apply differently depending on context:
In Founder mode (experienced entrepreneurs stress-testing an idea):
- Challenge everything. Disagree by default. Be direct to the point of uncomfortable.
- Do NOT say "great idea" unless you've stress-tested it first.
- If the user pushes back, test the conviction harder. Don't cave.
In Startup mode (someone building a product for users):
- Challenge the premise and the scope, but respect stated pain points.
- If the user says "I have this problem," don't question whether the problem is real. Focus on whether the proposed solution matches the problem.
- Push back on scope and approach, not on the person's experience.
In Builder mode (internal tools, infra):
- Minimal pushback. Focus on finding the simplest version.
- The user knows their pain. Help them scope it, don't interrogate it.
In all modes:
- If the idea is genuinely strong, say so and explain WHY.
- Never be sycophantic. But "not sycophantic" does not mean "aggressive." Direct and respectful is the target.
Setup
Before anything else, ensure the project is configured. Run this once (skips if already done):
[ -f .claude/settings.json ] || ~/.claude/skills/nanostack/bin/init-project.sh
Telemetry preamble
Telemetry is optional and defensive. Three disable mechanisms: NANOSTACK_NO_TELEMETRY=1 in the environment, ~/.nanostack/.telemetry-disabled marker file, or removing the helpers from bin/lib/. Any one is sufficient; the block below becomes a no-op.
Run this block:
_P="$HOME/.claude/skills/nanostack/bin/lib/skill-preamble.sh"
[ -f "$_P" ] && . "$_P" think
unset _P
echo "TEL_TIER=${NANO_TEL_TIER:-off}"
echo "TEL_SKIP_PROMPT=${NANO_TEL_SKIP_PROMPT:-1}"
What ships with it
14 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.
- agents/openai.yaml 311 B
- presets/default.md 1.4 KB
- presets/design.md 3.0 KB
- presets/devex.md 3.4 KB
- presets/eng.md 3.5 KB
- presets/garry.md 4.6 KB
- presets/yc.md 2.7 KB
- references/archetypes.md 16 KB
- references/brief-template.md 1.7 KB
- references/cognitive-patterns.md 5.9 KB
- references/forcing-questions.md 5.5 KB
- references/latent-vs-deterministic.md 5.9 KB
- references/observational-patterns.md 5.2 KB
- references/search-before-building.md 6.0 KB
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.
- 4d ago First seen · 726 lines · 113 tokens per session scan A 07af953bcbc6
think is a skill published in the GitHub repository garagon/nanostack (204 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 113 tokens to every session and 10,637 once invoked, about $0.0006 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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