diff --git a/package.json b/package.json
new file mode 100644
index 0000000..e361b29
--- /dev/null
+++ b/package.json
@@ -0,0 +1,16 @@
+{
+	"name": "ai-reviewer",
+	"version": "0.0.0",
+	"scripts": {
+		"review": "node src/review.mjs"
+	},
+	"keywords": [],
+	"author": "",
+	"license": "ISC",
+	"description": "",
+	"dependencies": {
+		"@ztimson/ai-utils": "0.2.3",
+		"@ztimson/utils": "^0.28.3",
+		"@ztimson/node-utils": "^1.0.4"
+	}
+}
diff --git a/src/review.mjs b/src/review.mjs
new file mode 100644
index 0000000..a18466b
--- /dev/null
+++ b/src/review.mjs
@@ -0,0 +1,58 @@
+/**
+ * Variables:
+ * HOST - AI provider (ollama/anthropic/openai)
+ * MODEL - AI model name
+ * TOKEN - Access token (Omit with ollama)
+ * ROOT - Path to project
+ */
+import {Ai} from '@ztimson/ai-utils';
+import {$} from '@ztimson/node-utils';
+import * as os from 'node:os';
+import * as path from 'node:path';
+import * as fs from 'node:fs';
+
+const gitDiff = await $`git diff HEAD^..HEAD`;
+const root = process.env['ROOT'] || process.cwd(),
+	host = process.env['HOST'],
+	model = process.env['MODEL'],
+	token = process.env['TOKEN'];
+
+let options = {ollama: {model, host}};
+if(host === 'anthropic') options = {anthropic: {model, token}};
+else if(host === 'openai') options = {openAi: {model, token}};
+
+const ai = new Ai({
+	...options,
+	model: [host, model],
+	path: process.env['path'] || os.tmpdir(),
+	system: 'You are a code reviewer, use the following git diff to find any bugs and recommend changes using the `recommend` tool.',
+	tools: [{
+		name: 'read_file',
+		description: 'Read contents of a file',
+		args: {
+			path: {type: 'string', description: 'Path to file relative to project root'}
+		},
+		fn: (args) => fs.readFileSync(path.join(root, args.path), 'utf-8')
+	}, {
+		name: 'get_diff',
+		description: 'Check a file for differences using git',
+		args: {
+			path: {type: 'string', description: 'Path to file relative to project root'}
+		},
+		fn: async (args) => await $`git diff HEAD^..HEAD -- ${path.join(root, args.path)}`
+	}, {
+		name: 'recommend',
+		description: 'Make review recommendation',
+		args: {
+			file: {type: 'string', description: 'File path'},
+			line: {type: 'number', description: 'Line number', optional: true},
+			comment: {type: 'string', description: 'Review comment'}
+		},
+		fn: (args) => {
+			console.log(`💬 ${args.file}${args.line ? `:${args.line}` : ''} - ${args.comment}`);
+			// TODO: Add fetch to gitea to add comment to PR
+		}
+	}]
+});
+
+await ai.language.ask(gitDiff);