# Directory Structure

```
├── .gitignore
├── package.json
├── pnpm-lock.yaml
├── README.md
├── src
│   └── server.ts
└── tsconfig.json
```

# Files

--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------

```
node_modules/
build/
*.log
.env*
```

--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------

```markdown
# Jina Reader MCP Server

Fetch the content of a remote URL as Markdown with Jina Reader

```

--------------------------------------------------------------------------------
/tsconfig.json:
--------------------------------------------------------------------------------

```json
{
  "compilerOptions": {
    "target": "ES2022",
    "module": "Node16",
    "moduleResolution": "Node16",
    "outDir": "./build",
    "rootDir": "./src",
    "strict": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules"]
}

```

--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------

```json
{
  "name": "mcp-jina-reader",
  "version": "0.1.0",
  "description": "Fetch the content of a remote URL as Markdown with Jina Reader",
  "private": true,
  "type": "module",
  "files": [],
  "scripts": {},
  "dependencies": {
    "litemcp": "^0.7.0",
    "zod": "^3.23.8"
  },
  "devDependencies": {
    "@types/node": "^20.11.24",
    "prettier": "^3.4.1",
    "typescript": "^5.3.3"
  },
  "packageManager": "[email protected]+sha512.c8180b3fbe4e4bca02c94234717896b5529740a6cbadf19fa78254270403ea2f27d4e1d46a08a0f56c89b63dc8ebfd3ee53326da720273794e6200fcf0d184ab"
}

```

--------------------------------------------------------------------------------
/src/server.ts:
--------------------------------------------------------------------------------

```typescript
import { LiteMCP } from "litemcp";
import { z } from "zod";

async function fetchWithJinaReader(url: string): Promise<string> {
  const apiKey = process.env.JINA_API_KEY;
  console.error(`Fetching ${url}`, apiKey ? "with API key" : "without API key");
  const response = await fetch(`https://r.jina.ai/${url}`, {
    headers: apiKey ? { Authorization: `Bearer ${apiKey}` } : undefined,
  });
  if (!response.ok) {
    throw new Error(`Failed to fetch ${url}: ${response.statusText}`);
  }
  return response.text();
}

const server = new LiteMCP("mcp-jina-reader", "0.1.0");

server.addTool({
  name: "fetch_url_content",
  description: "Fetch the content of a URL as Markdown.",
  parameters: z.object({
    url: z.string().url(),
  }),
  execute(args) {
    return fetchWithJinaReader(args.url);
  },
});

server.addPrompt({
  name: "fetch_url_content",
  description: "Fetch the content of a URL as Markdown.",
  arguments: [
    {
      name: "url",
      description: "The URL to fetch the content of.",
      required: true,
    },
  ],
  async load(args) {
    const content = await fetchWithJinaReader(args.url);
    return `Content of ${args.url}:\n${content}`;
  },
});

server.start();

```