import { Octokit } from '@octokit/rest';
import { z } from 'zod';
const octokit = new Octokit();
// Schema for file request
const FileRequestSchema = z.object({
owner: z.string(),
repo: z.string(),
path: z.string(),
ref: z.string().optional()
});
type FileRequest = z.infer<typeof FileRequestSchema>;
// Schema for file content response
const FileContentSchema = z.object({
content: z.string(),
path: z.string(),
sha: z.string()
});
export const githubFileTool = {
name: 'github_file',
description: 'Fetch file contents from GitHub repositories',
version: '1.0.0',
parameters: FileRequestSchema,
annotations: {
title: 'GitHub File Fetcher',
readOnlyHint: true,
openWorldHint: true,
},
execute: async (args: any, { log, reportProgress }: any) => {
const params = FileRequestSchema.parse(args);
try {
const response = await octokit.rest.repos.getContent({
owner: params.owner,
repo: params.repo,
path: params.path,
ref: params.ref
});
if (Array.isArray(response.data)) {
throw new Error('Path points to a directory, not a file');
}
if (!('content' in response.data)) {
throw new Error('No content found in response');
}
const content = Buffer.from(response.data.content, 'base64').toString('utf-8');
return JSON.stringify({
content,
path: response.data.path,
sha: response.data.sha
}, null, 2);
} catch (error) {
return JSON.stringify({
error: error instanceof Error ? error.message : 'Unknown error occurred'
}, null, 2);
}
}
};
