Extend Toolkit — Development skill for Claude Code
extend-toolkit: author the missing skill when the brain hits a gap.
How to install Extend Toolkit
Installs to ~/.claude/skills/itstauf-brain-starter-extend-toolkit/SKILL.md
mkdir -p ~/.claude/skills/itstauf-brain-starter-extend-toolkit && curl -fsSL https://raw.githubusercontent.com/itstauf/brain-starter/HEAD/skills/extend-toolkit.md -o ~/.claude/skills/itstauf-brain-starter-extend-toolkit/SKILL.md Restart Claude Code, or start a new session, for it to be picked up.
What Extend Toolkit does
name: extend-toolkit
status: published
authored_by: owner
finalised_by:
last_updated: 2026-10-03
extend-toolkit: author the missing skill when the brain hits a gap
Purpose
This is the fixed point. When the brain meets a task it cannot do well with the skills it has, this skill writes the missing one, so the next session inherits the capability instead of improvising it again.
Without it, the brain is a capable assistant that forgets how it did things. With it, the
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Full documentation available on GitHub
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