diff --git a/src/github/operations/search.ts b/src/github/operations/search.ts
new file mode 100644
index 00000000..e7aab148
--- /dev/null
+++ b/src/github/operations/search.ts
@@ -0,0 +1,104 @@
+import { z } from "zod";
+import { githubRequest, buildUrl } from "../common/utils";
+
+// Schema definitions
+export const SearchCodeSchema = z.object({
+  q: z.string().describe("Search query. See GitHub code search syntax: https://docs.github.com/en/search-github/searching-on-github/searching-code"),
+  order: z.enum(["asc", "desc"]).optional().describe("Sort order (asc or desc)"),
+  per_page: z.number().min(1).max(100).optional().describe("Results per page (max 100)"),
+  page: z.number().min(1).optional().describe("Page number"),
+});
+
+export const SearchIssuesSchema = z.object({
+  q: z.string().describe("Search query. See GitHub issues search syntax: https://docs.github.com/en/search-github/searching-on-github/searching-issues-and-pull-requests"),
+  sort: z.enum([
+    "comments",
+    "reactions",
+    "reactions-+1",
+    "reactions--1",
+    "reactions-smile",
+    "reactions-thinking_face",
+    "reactions-heart",
+    "reactions-tada",
+    "interactions",
+    "created",
+    "updated",
+  ]).optional().describe("Sort field"),
+  order: z.enum(["asc", "desc"]).optional().describe("Sort order (asc or desc)"),
+  per_page: z.number().min(1).max(100).optional().describe("Results per page (max 100)"),
+  page: z.number().min(1).optional().describe("Page number"),
+});
+
+export const SearchUsersSchema = z.object({
+  q: z.string().describe("Search query. See GitHub users search syntax: https://docs.github.com/en/search-github/searching-on-github/searching-users"),
+  sort: z.enum(["followers", "repositories", "joined"]).optional().describe("Sort field"),
+  order: z.enum(["asc", "desc"]).optional().describe("Sort order (asc or desc)"),
+  per_page: z.number().min(1).max(100).optional().describe("Results per page (max 100)"),
+  page: z.number().min(1).optional().describe("Page number"),
+});
+
+// Response schemas
+export const SearchCodeItemSchema = z.object({
+  name: z.string().describe("The name of the file"),
+  path: z.string().describe("The path to the file in the repository"),
+  sha: z.string().describe("The SHA hash of the file"),
+  url: z.string().describe("The API URL for this file"),
+  git_url: z.string().describe("The Git URL for this file"),
+  html_url: z.string().describe("The HTML URL to view this file on GitHub"),
+  repository: z.object({
+    full_name: z.string(),
+    description: z.string().nullable(),
+    url: z.string(),
+    html_url: z.string(),
+  }).describe("The repository where this file was found"),
+  score: z.number().describe("The search result score"),
+});
+
+export const SearchCodeResponseSchema = z.object({
+  total_count: z.number().describe("Total number of matching results"),
+  incomplete_results: z.boolean().describe("Whether the results are incomplete"),
+  items: z.array(SearchCodeItemSchema).describe("The search results"),
+});
+
+export const SearchUsersResponseSchema = z.object({
+  total_count: z.number().describe("Total number of matching results"),
+  incomplete_results: z.boolean().describe("Whether the results are incomplete"),
+  items: z.array(z.object({
+    login: z.string().describe("The username of the user"),
+    id: z.number().describe("The ID of the user"),
+    node_id: z.string().describe("The Node ID of the user"),
+    avatar_url: z.string().describe("The avatar URL of the user"),
+    gravatar_id: z.string().describe("The Gravatar ID of the user"),
+    url: z.string().describe("The API URL for this user"),
+    html_url: z.string().describe("The HTML URL to view this user on GitHub"),
+    type: z.string().describe("The type of this user"),
+    site_admin: z.boolean().describe("Whether this user is a site administrator"),
+    score: z.number().describe("The search result score"),
+  })).describe("The search results"),
+});
+
+// Type exports
+export type SearchCodeParams = z.infer<typeof SearchCodeSchema>;
+export type SearchIssuesParams = z.infer<typeof SearchIssuesSchema>;
+export type SearchUsersParams = z.infer<typeof SearchUsersSchema>;
+export type SearchCodeResponse = z.infer<typeof SearchCodeResponseSchema>;
+export type SearchUsersResponse = z.infer<typeof SearchUsersResponseSchema>;
+
+// Function implementations
+export async function searchCode(params: SearchCodeParams): Promise<SearchCodeResponse> {
+  const url = buildUrl("https://api.github.com/search/code", params);
+  const response = await githubRequest(url);
+  return SearchCodeResponseSchema.parse(response);
+}
+
+export async function searchIssues(params: SearchIssuesParams) {
+  const url = buildUrl("https://api.github.com/search/issues", params);
+  const response = await githubRequest(url);
+  return response;
+}
+
+export async function searchUsers(params: SearchUsersParams): Promise<SearchUsersResponse> {
+  const url = buildUrl("https://api.github.com/search/users", params);
+  const response = await githubRequest(url);
+  return SearchUsersResponseSchema.parse(response);
+}
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