GitHub MCP Server
Connects Claude to the GitHub REST API, enabling repository listing, issue management, file content retrieval, and code search through natural language tool calls.
README
GitHub MCP Server
Servidor MCP (Model Context Protocol) customizado, escrito em TypeScript, que conecta o Claude à API REST do GitHub.
O que ele faz
Expõe 6 ferramentas (tools) que o Claude pode chamar:
| Tool | Descrição |
|---|---|
list_repos |
Lista repositórios do usuário autenticado |
get_repo |
Detalhes de um repositório específico |
list_issues |
Lista issues de um repositório |
create_issue |
Cria uma issue nova |
get_file_content |
Lê o conteúdo de um arquivo do repositório |
search_code |
Busca código no GitHub |
1. Gerar um GitHub Personal Access Token
- Acesse GitHub → Settings → Developer settings → Personal access tokens → Fine-grained tokens
- Crie um token com permissões mínimas necessárias:
Contents: Read(paraget_file_content)Issues: Read and write(paralist_issues/create_issue)Metadata: Read(obrigatório sempre)
- Copie o token gerado (começa com
github_pat_...)
Dica de segurança: nunca commite o token no repositório. Use variável de ambiente.
2. Instalar e buildar
npm install
npm run build
Isso gera build/index.js, que é o executável do servidor (comunica via stdio, protocolo padrão do MCP).
3. Testar localmente (opcional, sem Claude)
export GITHUB_PERSONAL_ACCESS_TOKEN="seu_token_aqui"
npm start
Se aparecer GitHub MCP server rodando via stdio. no stderr, está funcionando. Para testar as tools interativamente, use o MCP Inspector:
npx @modelcontextprotocol/inspector node build/index.js
4. Conectar ao Claude Desktop
Edite o arquivo de configuração do Claude Desktop:
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
Adicione:
{
"mcpServers": {
"github": {
"command": "node",
"args": ["/caminho/absoluto/para/github-mcp-server/build/index.js"],
"env": {
"GITHUB_PERSONAL_ACCESS_TOKEN": "seu_token_aqui"
}
}
}
}
Reinicie o Claude Desktop. As ferramentas do GitHub devem aparecer no ícone de ferramentas (🔨) da conversa.
5. Próximos passos (ideias para expandir e turbinar o portfólio)
- Adicionar tools de escrita:
create_pull_request,merge_pull_request,create_branch - Adicionar paginação real (cursor-based) em vez de só
per_page - Rate limiting e cache (o GitHub limita a 5000 req/h autenticado)
- Testes automatizados com Vitest/Jest
- CI com GitHub Actions rodando lint + testes + build a cada push
- Publicar como pacote npm (
npx github-mcp-server) - Dockerizar o servidor (bom gancho pra conectar com seus outros projetos DevOps)
Estrutura do projeto
github-mcp-server/
├── src/
│ └── index.ts # lógica do servidor e definição das tools
├── build/ # gerado pelo `npm run build`
├── package.json
├── tsconfig.json
└── README.md
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