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anthropics/skills mcp-builder — four-phase MCP server skill

WhenUse when an LLM must call an external API through well-named tools, not a one-off script.
StopNever ship tools without actionable errors. Never put secrets in the skill body.

Steps

  1. List tools
  2. Explore with read-only operations
  3. Write 10 complex, realistic questions
  4. Solve each yourself to verify the answer
Loadmcp-builder SKILL.md + reference/. SDK docs. No production deploy.
Copy SKILL.mdRaw SKILL.md
---
name: anthropics/skills mcp-builder — four-phase MCP server skill
description: Use when an LLM must call an external API through well-named tools, not a one-off script.
---

# anthropics/skills mcp-builder — four-phase MCP server skill

When: Use when an LLM must call an external API through well-named tools, not a one-off script.
Stop: Never ship tools without actionable errors. Never put secrets in the skill body.

1. List tools
2. Explore with read-only operations
3. Write 10 complex, realistic questions
4. Solve each yourself to verify the answer

Load: mcp-builder SKILL.md + reference/. SDK docs. No production deploy.

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