Four-phase workflow for creating MCP servers: research and planning, implementation, review and testing, and evaluation. Quality is measured by how well an LLM can complete real tasks with the tools.
O que ela faz
Onde mcp-builder roda e o que acrescenta, segundo a documentação
Balances full API coverage against workflow tools
Guides tool naming and discoverability
Covers Python FastMCP and TypeScript MCP SDK
Walks through four phases from research to evaluation
Quando usar
Boa adequação
Wrapping an external API as an MCP server
Reviewing the tool design of an existing MCP server
Não indicado para
Using an existing MCP server (this is for building)
Como instalar o mcp-builder
Register the marketplace in Claude Code: /plugin marketplace add anthropics/skills
Install the bundle that contains it (document-skills or example-skills): /plugin install example-skills@anthropic-agent-skills
Or copy the skill folder to ~/.claude/skills/mcp-builder/ (personal) or .claude/skills/mcp-builder/ (project)
Mention the task in a prompt; Claude loads the skill automatically when the SKILL.md description matches
Permissões e segurança
A que ela tem acesso
Instructions loaded into Claude's context; any scripts it bundles run through Claude Code's normal tool permissions (shell, file edits)
Notas de segurança dos mantenedores
Anthropic repo disclaimer: skills are provided for demonstration and educational purposes; behavior in Claude may differ
Revise a fonte antes de conceder ao agente acesso a credenciais ou sistemas de produção. Documentamos o que os mantenedores informam; não auditamos o código.
Limitações
Repo README says implementations are examples and may differ from what Claude.ai provides
Ferramenta de programação agêntica da Anthropic que lê sua base de código, edita arquivos e executa comandos pelo terminal, por IDEs, pelo app desktop ou pelo navegador.
O plano gratuito termina em: Não há plano gratuito: o Claude Code está incluído nas assinaturas pagas do Claude (Pro, Max, Team, Enterpris…
How do I install the mcp-builder skill in Claude Code?
Add the marketplace with /plugin marketplace add anthropics/skills and install the bundle containing it, or copy skills/mcp-builder into ~/.claude/skills/. fonte
When does Claude use the mcp-builder skill?
Claude loads it automatically when the request matches the description field in its SKILL.md frontmatter. fonte
Is the mcp-builder skill official?
Yes, it is published in Anthropic's anthropics/skills repository. fonte
