GitHub MCP Server Plus

Instructions

Implementation Reference

• index.ts:317-324 (handler)

  MCP tool handler for 'update_issue': parses input schema, extracts parameters, calls the updateIssue helper, and returns the result as JSON.

  case "update_issue": {
    const args = issues.UpdateIssueOptionsSchema.parse(request.params.arguments);
    const { owner, repo, issue_number, ...options } = args;
    const result = await issues.updateIssue(owner, repo, issue_number, options);
    return {
      content: [{ type: "text", text: JSON.stringify(result, null, 2) }],
    };
  }

• index.ts:128-132 (registration)

  Registration of the 'update_issue' tool in the MCP server's tool list, including name, description, and input schema.

  {
    name: "update_issue",
    description: "Update an existing issue in a GitHub repository",
    inputSchema: zodToJsonSchema(issues.UpdateIssueOptionsSchema)
  },

• operations/issues.ts:43-53 (schema)

  Zod schema defining the input structure for the 'update_issue' tool, including owner, repo, issue_number, and optional update fields.

  export const UpdateIssueOptionsSchema = z.object({
    owner: z.string(),
    repo: z.string(),
    issue_number: z.number(),
    title: z.string().optional(),
    body: z.string().optional(),
    assignees: z.array(z.string()).optional(),
    milestone: z.number().optional(),
    labels: z.array(z.string()).optional(),
    state: z.enum(["open", "closed"]).optional(),
  });

• operations/issues.ts:105-118 (helper)

  Helper function that executes the GitHub API PATCH request to update the specified issue with provided options.

  export async function updateIssue(
    owner: string,
    repo: string,
    issue_number: number,
    options: Omit<z.infer<typeof UpdateIssueOptionsSchema>, "owner" | "repo" | "issue_number">
  ) {
    return githubRequest(
      `https://api.github.com/repos/${owner}/${repo}/issues/${issue_number}`,
      {
        method: "PATCH",
        body: options,
      }
    );
  }