MCP Builder — Anthropic Skill

anthropics/skills

Design and implement MCP servers with discoverable tools, clear schemas and task-based evaluations.

Contenu mis à jour:

Voir sur GitHub
git clone https://github.com/anthropics/skills.git anthropic-skills mkdir -p .claude/skills cp -R anthropic-skills/skills/mcp-builder .claude/skills/
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À propos de ce Skill

Design and implement MCP servers with discoverable tools, clear schemas and task-based evaluations. Python/FastMCP or TypeScript/MCP SDK; service credentials only when the target integration needs them.

Pourquoi ce choix

Useful for turning an API or service into tools an agent can discover and use. It covers research, implementation, review and evaluation, including concise results, pagination and actionable errors.

À quoi il sert

  • Expose a service API through MCP.
  • Design a searchable knowledge tool.
  • Evaluate an MCP server's usability.

How this skill works

1. Research the target service and tool boundaries

Study the protocol and service API, then define tool names, input schemas and bounded result formats.

2. Implement a Python or TypeScript MCP server

Implement the server using the appropriate Python or TypeScript SDK and explicit error handling.

3. Review tool contracts and construct evaluation tasks

Inspect the server and evaluate whether tool calls help an agent complete realistic tasks.

Official mcp-builder instructions

An example task

Try this brief: “Design an MCP tool that searches a fictional local project knowledge base.”

The preview is an original SkillHey illustration of this task. Its content is fictional and is not an official Anthropic screenshot or an agent benchmark.

Second example

Try this brief: “Design a paginated MCP search result with a clear cursor and bounded page size.”

Official mcp-builder instructions

Install this skill or its official plugin

For this skill alone, copy its complete directory into the project Skills root using the command above. The final entry is .claude/skills/mcp-builder/SKILL.md. Keep references, scripts and assets with it.

CommandeÀ quoi elle sert
/plugin marketplace add anthropics/skillsRegister the official Claude Code marketplace.
/plugin install example-skills@anthropic-agent-skillsInstall the official plugin. This may include other skills; see its manifest.

Official repository and plugin manifestClaude Code skill installation documentation

Dependencies and license

Python/FastMCP or TypeScript/MCP SDK; service credentials only when the target integration needs them.

The recipe is free to access; running an agent or external service may have its own costs.

Review this skill’s LICENSE.txt before redistributing its files.

Official mcp-builder instructionsOfficial repository and plugin manifest

Avant de l’utiliser

  • Python/FastMCP or TypeScript/MCP SDK; service credentials only when the target integration needs them.

Agents compatibles

Claude Code

Questions fréquentes

Is this a separate skill?

Yes. mcp-builder has its own SKILL.md and directory. It also belongs to the Anthropic Official Skills topic.

Sources et références

Les sources originales sont liées ci-dessous. Les pistes pratiques sont des suggestions de la rédaction de SkillHey.