Replace Gemini CLI support with Antigravity CLI#30
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Google deprecated Gemini CLI in favor of Antigravity CLI (June 2026). This migrates the plugin to the new platform: renamed manifests (plugin.json, ANTIGRAVITY.md, hooks/antigravity-hooks.json), unified PreToolUse hook event, .agents/ settings directory, and updated install commands (agy plugin install). Version bumped to 1.7.0. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Antigravity CLI inherits Gemini's variable names: ${extensionPath} for
hook commands (not ${pluginPath}) and GEMINI_PROJECT_DIR for the project
directory env var. Also corrects hooks copy instruction — agy plugin
install auto-discovers hooks.json at the plugin root.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
gemini-extension.json→plugin.json,GEMINI.md→ANTIGRAVITY.md,hooks/gemini-hooks.json→hooks/antigravity-hooks.jsonPreToolUseacross all three platforms (wasBeforeToolon Gemini), matcher torun_command, and uses Antigravity's named-group hook format.gemini/to.agents/; SDK header fromgemini-cli-extensiontoantigravity-cli-plugincheck-token.sh— all platforms now use the samepermissionDecision/updatedInputoutput formatContext: Google deprecated Gemini CLI in favor of Antigravity CLI as of June 18, 2026.
Test plan
agy plugin installand verify skills load (/skills list)/configureon Antigravity CLI and complete OAuth flowhooks/antigravity-hooks.jsonto.agents/hooks.json)geminireferences outside CHANGELOG.md historical entries🤖 Generated with Claude Code