Find all concrete implementations of an interface or abstract type. Use when you need to know what types satisfy an interface, or what subtypes exist before changing a base type.
Install
npx skills add blackwell-systems/agent-lsp --skill lsp-implementnpx skills add blackwell-systems/agent-lsp --skill lsp-implement -a claude-code -gnpx skills add blackwell-systems/agent-lsp --skill lsp-implement -a codex -ggemini skills install https://github.com/blackwell-systems/agent-lsp.git --path skills/lsp-implementgh skill install blackwell-systems/agent-lsp lsp-implementgit clone --depth 1 https://github.com/blackwell-systems/agent-lsp /tmp/blackwell-systems__agent-lsp
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/blackwell-systems__agent-lsp/skills/lsp-implement ~/.claude/skills/lsp-implement # Claude Code
cp -R /tmp/blackwell-systems__agent-lsp/skills/lsp-implement ~/.agents/skills/lsp-implement # Codex, Cursor, Gemini CLI, Copilot, OpenCode