Second in this series on Claude Code skills I haven’t tried yet is Superpowers, by Jesse Vincent (obra). Where last week’s humanizer does one narrow job, Superpowers is the opposite end of the spectrum – a whole development methodology bundled as a plugin.
What’s in the bundle
Rather than a single skill, Superpowers composes several: a brainstorming skill that pushes back on a rough idea with questions before any code gets written, a test-driven-development skill that enforces the classic red-green-refactor loop (failing test, minimal code, passing test, commit), and a git-worktrees skill that spins up an isolated branch workspace before implementation starts. There are more skills beyond those three, all designed to compose rather than compete.
The part that’s different from a lot of skill collections is that none of this needs to be invoked by name. The skills are set up to trigger automatically based on what you’re actually doing in a session, via a session-start hook rather than slash commands you have to remember.
Wide harness support
It isn’t locked to Claude Code either – the same plugin installs into Antigravity, the Codex app and CLI, Cursor, Factory Droid, Gemini CLI, GitHub Copilot CLI, Kimi Code, and OpenCode, each through that tool’s own plugin or marketplace mechanism.
Installing it
For Claude Code, it’s the standard plugin marketplace flow:
/plugin marketplace add obra/superpowers-marketplace
/plugin install superpowers@superpowers-marketplaceFull instructions for each supported harness are in the README, since the install mechanics differ tool to tool.
obra also maintains a companion project worth a mention: private-journal-mcp, a semantic-search journaling server for agents, which I’ll cover later in this series.
Next Sunday: detect-ai and humanize, a two-sided pair of skills that both score AI-generated text and rewrite it – a slightly different angle on the same problem as humanizer.
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