Guidelines for designing RESTful APIs and TypeScript interfaces. Use when designing new endpoints, reviewing API contracts, or structuring data models.
Install
npx skills add mastra-ai/mastra --skill api-designnpx skills add mastra-ai/mastra --skill api-design -a claude-code -gnpx skills add mastra-ai/mastra --skill api-design -a codex -ggemini skills install https://github.com/mastra-ai/mastra.git --path examples/unified-workspace/skills/api-designgh skill install mastra-ai/mastra api-designgit clone --depth 1 https://github.com/mastra-ai/mastra /tmp/mastra-ai__mastra
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mastra-ai__mastra/examples/unified-workspace/skills/api-design ~/.claude/skills/api-design # Claude Code
cp -R /tmp/mastra-ai__mastra/examples/unified-workspace/skills/api-design ~/.agents/skills/api-design # Codex, Cursor, Gemini CLI, Copilot, OpenCode