diff --git a/src/github/operations/issues.ts b/src/github/operations/issues.ts
new file mode 100644
index 00000000..e489e747
--- /dev/null
+++ b/src/github/operations/issues.ts
@@ -0,0 +1,151 @@
+import { z } from "zod";
+import { githubRequest, buildUrl } from "../common/utils";
+import {
+  GitHubIssueSchema,
+  GitHubLabelSchema,
+  GitHubIssueAssigneeSchema,
+  GitHubMilestoneSchema,
+} from "../common/types";
+
+// Schema definitions
+export const CreateIssueOptionsSchema = z.object({
+  title: z.string().describe("Issue title"),
+  body: z.string().optional().describe("Issue body/description"),
+  assignees: z.array(z.string()).optional().describe("Array of usernames to assign"),
+  milestone: z.number().optional().describe("Milestone number to assign"),
+  labels: z.array(z.string()).optional().describe("Array of label names"),
+});
+
+export const CreateIssueSchema = z.object({
+  owner: z.string().describe("Repository owner (username or organization)"),
+  repo: z.string().describe("Repository name"),
+  title: z.string().describe("Issue title"),
+  body: z.string().optional().describe("Issue body/description"),
+  assignees: z.array(z.string()).optional().describe("Array of usernames to assign"),
+  labels: z.array(z.string()).optional().describe("Array of label names"),
+  milestone: z.number().optional().describe("Milestone number to assign"),
+});
+
+export const ListIssuesOptionsSchema = z.object({
+  owner: z.string(),
+  repo: z.string(),
+  state: z.enum(['open', 'closed', 'all']).optional(),
+  labels: z.array(z.string()).optional(),
+  sort: z.enum(['created', 'updated', 'comments']).optional(),
+  direction: z.enum(['asc', 'desc']).optional(),
+  since: z.string().optional(), // ISO 8601 timestamp
+  page: z.number().optional(),
+  per_page: z.number().optional()
+});
+
+export const UpdateIssueOptionsSchema = z.object({
+  owner: z.string(),
+  repo: z.string(),
+  issue_number: z.number(),
+  title: z.string().optional(),
+  body: z.string().optional(),
+  state: z.enum(['open', 'closed']).optional(),
+  labels: z.array(z.string()).optional(),
+  assignees: z.array(z.string()).optional(),
+  milestone: z.number().optional()
+});
+
+export const IssueCommentSchema = z.object({
+  owner: z.string(),
+  repo: z.string(),
+  issue_number: z.number(),
+  body: z.string()
+});
+
+export const GetIssueSchema = z.object({
+  owner: z.string().describe("Repository owner (username or organization)"),
+  repo: z.string().describe("Repository name"),
+  issue_number: z.number().describe("Issue number")
+});
+
+// Type exports
+export type CreateIssueOptions = z.infer<typeof CreateIssueOptionsSchema>;
+export type ListIssuesOptions = z.infer<typeof ListIssuesOptionsSchema>;
+export type UpdateIssueOptions = z.infer<typeof UpdateIssueOptionsSchema>;
+
+// Function implementations
+export async function createIssue(
+  owner: string,
+  repo: string,
+  options: CreateIssueOptions
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/issues`,
+    {
+      method: "POST",
+      body: options,
+    }
+  );
+
+  return GitHubIssueSchema.parse(response);
+}
+
+export async function listIssues(
+  owner: string,
+  repo: string,
+  options: Omit<ListIssuesOptions, 'owner' | 'repo'>
+) {
+  const url = buildUrl(`https://api.github.com/repos/${owner}/${repo}/issues`, options);
+  const response = await githubRequest(url);
+  return z.array(GitHubIssueSchema).parse(response);
+}
+
+export async function updateIssue(
+  owner: string,
+  repo: string,
+  issueNumber: number,
+  options: Omit<UpdateIssueOptions, 'owner' | 'repo' | 'issue_number'>
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/issues/${issueNumber}`,
+    {
+      method: "PATCH",
+      body: options
+    }
+  );
+
+  return GitHubIssueSchema.parse(response);
+}
+
+export async function addIssueComment(
+  owner: string,
+  repo: string,
+  issueNumber: number,
+  body: string
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/issues/${issueNumber}/comments`,
+    {
+      method: "POST",
+      body: { body }
+    }
+  );
+
+  return z.object({
+    id: z.number(),
+    node_id: z.string(),
+    url: z.string(),
+    html_url: z.string(),
+    body: z.string(),
+    user: GitHubIssueAssigneeSchema,
+    created_at: z.string(),
+    updated_at: z.string(),
+  }).parse(response);
+}
+
+export async function getIssue(
+  owner: string,
+  repo: string,
+  issueNumber: number
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/issues/${issueNumber}`
+  );
+
+  return GitHubIssueSchema.parse(response);
+}
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