# MCP Builder Do

> Sub-skill of mcp-builder: Do (+1).

- Skill: `vamseeachanta/mcp-builder-do` (Agent Skill)
- Install (CLI): `npx skillmds@latest add vamseeachanta/mcp-builder-do`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/mcp-builder-do/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: vamseeachanta (https://skillmd.com/u/vamseeachanta)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vamseeachanta/mcp-builder-do

---


# Do (+1)

## Do


1. Use TypeScript for type safety
2. Validate all inputs with Zod
3. Provide clear, actionable error messages
4. Use environment variables for secrets
5. Implement rate limiting for external APIs
6. Add tool annotations for destructive operations


## Don't


1. Hardcode API keys or secrets
2. Skip input validation
3. Return raw error stack traces
4. Create overly complex tool schemas
5. Ignore rate limits on external services