diff --git a/src/github/operations/commits.ts b/src/github/operations/commits.ts
new file mode 100644
index 00000000..e889a734
--- /dev/null
+++ b/src/github/operations/commits.ts
@@ -0,0 +1,95 @@
+import { z } from "zod";
+import { githubRequest, buildUrl } from "../common/utils";
+import { GitHubCommitSchema, GitHubListCommitsSchema } from "../common/types";
+
+// Schema definitions
+export const ListCommitsSchema = z.object({
+  owner: z.string().describe("Repository owner (username or organization)"),
+  repo: z.string().describe("Repository name"),
+  page: z.number().optional().describe("Page number for pagination (default: 1)"),
+  perPage: z.number().optional().describe("Number of results per page (default: 30, max: 100)"),
+  sha: z.string().optional().describe("SHA of the commit to start listing from"),
+});
+
+// Type exports
+export type ListCommitsParams = z.infer<typeof ListCommitsSchema>;
+
+// Function implementations
+export async function listCommits(
+  owner: string,
+  repo: string,
+  page: number = 1,
+  perPage: number = 30,
+  sha?: string
+) {
+  const params = {
+    page,
+    per_page: perPage,
+    ...(sha ? { sha } : {})
+  };
+
+  const url = buildUrl(`https://api.github.com/repos/${owner}/${repo}/commits`, params);
+
+  const response = await githubRequest(url);
+  return GitHubListCommitsSchema.parse(response);
+}
+
+export async function getCommit(
+  owner: string,
+  repo: string,
+  sha: string
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/git/commits/${sha}`
+  );
+
+  return GitHubCommitSchema.parse(response);
+}
+
+export async function createCommit(
+  owner: string,
+  repo: string,
+  message: string,
+  tree: string,
+  parents: string[]
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/git/commits`,
+    {
+      method: "POST",
+      body: {
+        message,
+        tree,
+        parents,
+      },
+    }
+  );
+
+  return GitHubCommitSchema.parse(response);
+}
+
+export async function compareCommits(
+  owner: string,
+  repo: string,
+  base: string,
+  head: string
+) {
+  const response = await githubRequest(
+    `https://api.github.com/repos/${owner}/${repo}/compare/${base}...${head}`
+  );
+
+  return z.object({
+    url: z.string(),
+    html_url: z.string(),
+    permalink_url: z.string(),
+    diff_url: z.string(),
+    patch_url: z.string(),
+    base_commit: GitHubCommitSchema,
+    merge_base_commit: GitHubCommitSchema,
+    commits: z.array(GitHubCommitSchema),
+    total_commits: z.number(),
+    status: z.string(),
+    ahead_by: z.number(),
+    behind_by: z.number(),
+  }).parse(response);
+}
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