Rethink

by agenticnotetaking

Rethink is an AI Engineering skill for Claude Code, published by agenticnotetaking in arscontexta.

3.5K stars219 forkson agenticnotetaking/arscontextaAdded 2026/08/16Repository updated 2026/02/24

View source on GitHub Download repo ZIP

claude-codeclaude-code-pluginknowledge-baseknowledge-managementmarkdownsecond-brain

Install in seconds

Install Rethink

Copy Rethink into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/agenticnotetaking/arscontexta/tree/main/skill-sources/rethink ~/.claude/skills/rethink

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/agenticnotetaking/arscontexta.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skill-sources/rethink/SKILL.md in agenticnotetaking/arscontexta
Installs to: ~/.claude/skills/rethink
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What Rethink does

Rethink challenges system assumptions against accumulated evidence, triaging observations and tensions, detecting patterns, and generating proposals. Use it when a knowledge system needs to review what it has learned and revise its own rules.

Rethink is cataloged under AI Engineering on DirSkills. Rethink comes from a repository tagged claude-code, claude-code-plugin, knowledge-base, knowledge-management and markdown.

Documentation

README

Excerpt

Runtime Configuration (Step 0 — before any processing)

Read these files to configure domain-specific behavior:

ops/derivation-manifest.md — vocabulary mapping, domain context
- Use vocabulary.notes for the notes folder name
- Use vocabulary.note for the note type name in output
- Use vocabulary.rethink for the command name in output
- Use vocabulary.topic_map for MOC references
- Use vocabulary.cmd_reflect for connection-finding references
ops/config.yaml — thresholds, processing preferences
- self_evolution.observation_threshold: number of pending observations before suggesting rethink (default: 10)
- self_evolution.tension_threshold: number of pending tensions before suggesting rethink (default: 5)

This is the opening of the README. Read the full README on GitHub.

Commands Rethink provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/rethink
/architect
/reseed
/remember
/next

Frequently asked about Rethink

What else does agenticnotetaking publish alongside Rethink?
Rethink is one of 25 skills that DirSkills catalogs from agenticnotetaking/arscontexta, the repository it ships in. Its siblings there include Add Domain, Ars Contexta Setup and Ars Contexta Tutorial. Each one is a separate skill with its own page in this directory, installs the same way Rethink does, and is maintained by agenticnotetaking in that same repository. The rest of the collection is listed on the agenticnotetaking/arscontexta page.
How does Rethink compare to other AI Engineering skills?
Rethink ranks #603 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Rethink against them. Open each page to compare what they document and how they install.