Speculative code editing session — simulate changes in memory before touching disk. Use when planning edits that might break things, exploring refactors across multiple files, or verifying an edit is safe before applying.
Install
npx skills add blackwell-systems/agent-lsp --skill lsp-simulatenpx skills add blackwell-systems/agent-lsp --skill lsp-simulate -a claude-code -gnpx skills add blackwell-systems/agent-lsp --skill lsp-simulate -a codex -ggemini skills install https://github.com/blackwell-systems/agent-lsp.git --path skills/lsp-simulategh skill install blackwell-systems/agent-lsp lsp-simulategit 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-simulate ~/.claude/skills/lsp-simulate # Claude Code
cp -R /tmp/blackwell-systems__agent-lsp/skills/lsp-simulate ~/.agents/skills/lsp-simulate # Codex, Cursor, Gemini CLI, Copilot, OpenCode