Superpowers now installs as a native Antigravity plugin, built for Google’s Antigravity Marketplace

Superpowers, Jesse Vincent's skills library, now ships a native plugin manifest for Google's Antigravity. Merged on October 8, it is what the Antigravity Marketplace needs to list Superpowers.

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github.com/obra/superpowers · Antigravity merged Oct 8, 2026 · dev branch

assets/antigravity-logo.png, the Marketplace logo

obra/superpowers PR #2479

Before this change, installing Superpowers from its GitHub address only worked through a fallback that imported it as a Gemini CLI extension. Antigravity then rejected the copied Claude Code hooks file at the start of every session.

The change adds one manifest in its own Antigravity folder. It holds what the Marketplace shows: a display name, a logo, an author, and two suggested prompts, for building an idea and for debugging. The install command stays the same.

Antigravity's hooks have no session-start event, so Superpowers starts through skill discovery. Antigravity lists each installed skill's description, and the using-superpowers description tells the model to load it when starting any conversation.

In a clean session asked to make a React to-do list, the model opened the using-superpowers skill, then brainstorming, and answered with a question. The workspace stayed empty.

The first version used an always-on rules file, and it worked, but Cursor loads the same folder from the shared repository, so it was removed. A hook before every model call is the fallback if skill discovery proves unreliable.

Across 21 sessions, requests to build something loaded brainstorming before any code, and bug reports loaded systematic debugging before any edit. The pull request names the risk: it all depends on the model following a skill's description.

The testing used Gemini 3.8 Flash in Antigravity's command-line tool. The Antigravity 2.0 app, the Antigravity IDE, Windows and Cursor are untested. The change sits on the dev branch, and the release notes still list it as unreleased.