opus-extended-thinking SKILL.md skillA

opus-extended-thinking from frankxai/agentic-creator-os is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add frankxai/agentic-creator-os/opus-extended-thinking@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
frankxai/agentic-creator-os
Path
.claude/skills/opus-extended-thinking/SKILL.md
Versions recorded
1
Latest version
v1.0.0, committed Jan 24, 2026
Size
8,733 bytes
Repository stars
12
License
Apache-2.0

Leverage Claude Opus 4.5's extended thinking capabilities for deep reasoning, complex analysis, and multi-step synthesis. Use when problems require thorough deliberation before response.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Claude Opus 4.5 Extended Thinking

This skill guides optimal use of Claude Opus 4.5's extended thinking capabilities - the model's ability to reason deeply before responding, leading to more thoughtful, accurate, and nuanced outputs.

---

## Understanding Extended Thinking

### What It Is
Extended thinking allows Opus 4.5 to:
- Deliberate longer before producing output
- Consider multiple perspectives and approaches
- Self-critique and refine reasoning
- Handle complex multi-step problems
- Produce more thoughtful, less reactive responses

### When It Activates
Extended thinking engages automatically when:
- Problems require multi-step reasoning
- Questions have nuance or ambiguity
- Tasks require weighing tradeoffs
- Complex analysis or synthesis is needed
- Creative work benefits from deliberation

---

## Prompt Patterns for Deep Thinking

### Pattern 1: Explicit Deliberation Request
```
Before answering, take time to:
1. Consider the problem from multiple angles
2. Identify potential pitfalls or edge cases
3. Weigh different approaches
4. Then provide your best response

Question: [Your complex question]
```

### Pattern 2: Multi-Perspective Analysis
```
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add frankxai/agentic-creator-os/opus-extended-thinking@sha256:9c64fc70b56fe4cb

The line at the top of this page pins the label v1.0.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_3ekmwnu7cbhosyn5.svg)](https://markdownregistry.com/a/art_3ekmwnu7cbhosyn5)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Jan 24, 2026.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-01-24 0bc6f23 8,733 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (8733 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

frankxai/agentic-creator-os · 12 stars · license Apache-2.0 · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3ekmwnu7cbhosyn5
GET https://markdownregistry.com/api/v1/resolve?ref=frankxai/agentic-creator-os/opus-extended-thinking
GET https://markdownregistry.com/api/v1/blob/9c64fc70b56fe4cb729f0bbc04705d2f6355579b88b04c2271181c161feff8a2

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in frankxai/agentic-creator-os

Other files named opus-extended-thinking

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