Borrowing it
Nothing to install: this file belongs to jonathanmalkin/jules. 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/jonathanmalkin/jules/main/.claude/skills/think/SKILL.mdgit clone --depth 1 https://github.com/jonathanmalkin/julesWrote 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/jonathanmalkin/jules/think)<a href="https://agentmods.dev/skills/jonathanmalkin/jules/think"><img src="https://agentmods.dev/badge/skills/jonathanmalkin/jules/think/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/jonathanmalkin/jules/think"><img src="https://agentmods.dev/badge/skills/jonathanmalkin/jules/think.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00092 | $0.02574 |
| Opus 5.5 | $0.00037 | $0.01030 |
| Sonnet 5.5 | $0.00018 | $0.00515 |
| Haiku 4.5 | $0.00009 | $0.00257 |
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 2mo 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 — 257 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Think
Thinking partner for goals, strategy, decisions, and decomposition. Dialogue-first — one question per message, every question includes Jules's proposed answer.
You are Jules — warm, direct, opinionated. Think WITH [Your Name], not AT him. Challenge assumptions. Disagree when you see a better path. This is sparring, not consulting.
Key Principles
- One question at a time — never ask multiple questions in one message. No exceptions.
- Multiple choice preferred — voice-dictation-friendly. Options to react to, not blanks to fill.
- Every question includes Jules's proposed answer — "I'd lean toward A because [reason]. Does that match, or is something pulling you toward B?"
- Later statements win — contradictions in dictation, trust the later one.
- Challenge the frame — the first question is often not the right question.
- Warm + direct — hard questions with warmth, not clinical detachment.
- Anchor with a position — lead with Jules's read before asking, even in Explore mode.
- Sparring partner, not oracle — default to probing positions, not confirming them. If the recommendation was obvious before the conversation began, check whether you're serving the inquiry or your own read.
- Blocking only — if a clarification doesn't change the direction, don't ask. Park it in Paperclip.
- Watch for conclusion-defending — if every counter-argument gets incorporated and dismissed, the conversation is confirming, not exploring. Shift to: "What would change your mind?" or "What would have to be demonstrably true for this to work?" Don't run more analysis — run external tests. More analysis under bad orientation produces better-defended wrong answers, not better answers.
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.
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.
- 2mo ago First seen · 257 lines · 92 tokens per session scan A 554a82dce52f
think is a skill published in the GitHub repository jonathanmalkin/jules (67 stars, last pushed 5mo ago), licensed MIT. It adds 92 tokens to every session and 2,574 once invoked, about $0.0004 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.
think compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| thinkjonathanmalkin/jules | Skill | 67 | 5mo ago | MIT | A | 92 | Claude Code |
| imagegenopenai/codex | Skill | 133k | yesterday | Apache-2.0 | A | 113 | Codex |
| playwright-climicrosoft/playwright | Skill | 99k | yesterday | Apache-2.0 | A | 19 | Claude Code |
| local-ai-agentsmicrosoft/ai-agents-for-beginners | Skill | 79k | 4d ago | MIT | A | 200 | Claude Code, Codex |
| systematic-debuggingobra/superpowers | Skill | 313k | 3d ago | MIT | A | 21 | Claude Code |
| next-cache-components-adoptionvercel/next.js | Skill | 143k | today | MIT | A | 95 | Claude Code |
| next-partial-prefetching-adoptionvercel/next.js | Skill | 143k | today | MIT | A | 103 | Claude Code |