Design tools, scripts, and CLIs that an agent will call, so the interface teaches its own use instead of a wall of prose and examples. Use when building an MCP server or tool definition, writing an agent-facing script, or when an agent keeps misusing a tool it already has.
Install
npx skills add Neeeophytee/finding-unknowns-skills --skill agent-interface-designnpx skills add Neeeophytee/finding-unknowns-skills --skill agent-interface-design -a claude-code -gnpx skills add Neeeophytee/finding-unknowns-skills --skill agent-interface-design -a codex -ggemini skills install https://github.com/Neeeophytee/finding-unknowns-skills.git --path skills/agent-interface-designgh skill install Neeeophytee/finding-unknowns-skills agent-interface-designgit clone --depth 1 https://github.com/Neeeophytee/finding-unknowns-skills /tmp/Neeeophytee__finding-unknowns-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Neeeophytee__finding-unknowns-skills/skills/agent-interface-design ~/.claude/skills/agent-interface-design # Claude Code
cp -R /tmp/Neeeophytee__finding-unknowns-skills/skills/agent-interface-design ~/.agents/skills/agent-interface-design # Codex, Cursor, Gemini CLI, Copilot, OpenCode