GitHub MCP Server

server.tool("list_repos", "List GitHub repositories", {
  username: z.string().describe("GitHub username"),
}, async ({ username }) => {
  const res = await fetch(`https://api.github.com/users/${username}/repos`);
  const repos = await res.json();
  const list = repos.map((r: any) => `- ${r.name}: ${r.description || "No description"}`);
  return { content: [{ type: "text", text: list.join("\n") }] };
});

server.tool("create_issue", "Create a GitHub issue", {
  owner: z.string(), repo: z.string(),
  title: z.string(), body: z.string().optional(),
}, async ({ owner, repo, title, body }) => {
  const res = await fetch(`https://api.github.com/repos/${owner}/${repo}/issues`, {
    method: "POST",
    headers: { Authorization: `token ${process.env.GITHUB_TOKEN}`, "Content-Type": "application/json" },
    body: JSON.stringify({ title, body }),
  });
  const issue = await res.json();
  return { content: [{ type: "text", text: `Created issue #${issue.number}: ${issue.html_url}` }] };
});