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extract-alpha
Claude Code skill for removing backgrounds from AI-generated images using two-pass difference matting (white + black background pairs → transparent PNG)
2stars
0forks
ai-imagealpha-extractionbackground-removalclaude-codeclaude-code-skilldifference-mattingpillowpythonsuperpowerstransparent-png
Quality signals
StaleNo testsNo CIThin docsNo licenseNew
InstallSKILLInstall as a Claude Code skill
Universal installANY TOOL
$ npx skillcity@latest furic/extract-alphaAuto-detects the skill or MCP server in this repo and installs it for Claude Code, Codex, Cursor, Cline, OpenCode, Gemini CLI, Anti-Gravity, OpenClaw and Hermes.
Requires Node.js 18+ (ships with npx).
Or install manually
# Install into ~/.claude/skills/ mkdir -p ~/.claude/skills/extract-alpha curl -fsSL https://raw.githubusercontent.com/furic/extract-alpha/main/SKILL.md -o ~/.claude/skills/extract-alpha/SKILL.md
Loading README…
Ask a simulated agent to run this skill. It loads the real SKILL.md and reasons over your task with NVIDIA.
extract-alpha — sandboxAI sandbox
Pick a quick prompt below or type your own — watch the agent execute this skill step by step.
guest@skillcity:~$Try a prompt