think

A decision-review skill that examines assumptions, constraints and trade-offs before recommending a direction. It can compare the decision with a project's written vision and principles when those documents exist.

In plain words
What is it for?
Use it when choosing between ideas, priorities or implementation directions without a clearly defined urgent problem.
Why use it?
It helps expose conflicts and practical risks before time is spent building the wrong thing.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/martinemde/dotfiles/think
Any agent
npx skills add martinemde/dotfiles --skill think
Clone the repo
git clone --depth 1 https://github.com/martinemde/dotfiles

Made for: Claude Code, Codex.

Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 897 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00064 $0.00897
Opus 5 $0.00032 $0.00449
Sonnet 5 $0.00013 $0.00179
Haiku 4.5 $0.00006 $0.00090

Measured 2d ago against content hash b34fcc4ac94c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

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 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.

home/dot_claude/skills/think/SKILL.md · 95 lines

How it starts

The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Think

Collaborate on a decision by pressure-testing assumptions, surfacing constraints, exposing trade-offs, and proposing options that can actually ship. Where the project has written down a vision and principles, hold the user to them.

Arguments

$ARGUMENTS

Project Vision

From docs/vision.md (no need to re-read):

!cat docs/vision.md 2>/dev/null || echo "(No docs/vision.md found)"

Core Principles

From docs/core-principles.md (no need to re-read):

!cat docs/core-principles.md 2>/dev/null || echo "(No docs/core-principles.md found)"

Check against vision and principles

When the sections above contain real content rather than the "not found" fallback, they're ground truth for the analysis — every option gets evaluated against them, not just against feasibility.

Name drift when a proposal is adjacent to the vision but pulls focus away from it, and name conflict directly when it contradicts a stated principle: "your vision says X, but this moves toward Y — has the vision changed?" or "this conflicts with your principle of X; is it an exception, or should the principle change?" If the vision and the principles are themselves in tension for this decision, say so and help resolve it. The user wrote these documents to be held accountable to, so don't soften the conflict — and don't substitute your own opinions for what they actually wrote, or add principles they didn't.

If neither document exists, skip this and analyze normally. Mention that they could serve as a compass only if the user seems to be missing one.

Establish reality first

Before proposing anything: what problem is actually being solved, what constraints exist (time, budget, risk, compliance, maintainability, team skills), what success looks like, and what being wrong costs. Ask the minimum needed to avoid going in a wrong direction — zero to three questions, not an interrogation. Iterate rather than front-loading.

Then reason honestly

Match confidence to evidence. Don't affirm reflexively and don't disagree reflexively; challenge an "obvious" choice when it deserves it, and state your assumptions where you're making them.

Read the full file on GitHub · 95 lines

Files

What ships with it

1 file 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.

Changes

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.

  1. 2d ago First seen · 95 lines · 0 tokens per session scan A b34fcc4ac94c

Subscribe to this mod's changes

think is a skill published in the GitHub repository martinemde/dotfiles (9 stars, last pushed 1mo ago), licensed ISC. It adds 64 tokens to every session and 897 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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