zcaceres/fetch-mcp

An MCP server for fetching web content in multiple formats — HTML, JSON, plain text, Markdown, readable article content, and YouTube transcripts.
Tools
All tools accept the following common parameters:
| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| url | string | Yes | URL to fetch |
| headers | object | No | Custom headers to include in the request |
| max_length | number | No | Maximum characters to return (default: 5000) |
| start_index | number | No | Start from this character index (default: 0) |
| proxy | string | No | Proxy URL (e.g. http://proxy:8080) |
- **fetch_html** — Fetch a website and return its raw HTML content.
- **fetch_markdown** — Fetch a website and return its content converted to Markdown.
- **fetch_txt** — Fetch a website and return plain text with HTML tags, scripts, and styles removed.
- **fetch_json** — Fetch a URL and return the JSON response.
- **fetch_readable** — Fetch a website and extract the main article content using Mozilla Readability, returned as Markdown. Strips navigation, ads, and boilerplate. Ideal for articles and blog posts.
- **fetch_youtube_transcript** — Fetch a YouTube video's captions/transcript. Uses yt-dlp if available, otherwise extracts directly from the page. Accepts an additional lang parameter (default: "en") to select the caption language.
Installation
As an MCP server
Add to your MCP client configuration:
As a CLI
Or install globally:
CLI Usage
Commands
| Command | Description |
|---------|-------------|
| html | Fetch a URL and return raw HTML |
| markdown | Fetch a URL and return Markdown |
| readable | Fetch a URL and return article content as Markdown (via Readability) |
| txt | Fetch a URL and return plain text |
| json | Fetch a URL and return JSON |
| youtube | Fetch a YouTube video transcript |
Flags
| Flag | Description |
|------|-------------|
| --max-length | Maximum characters to return |
| --start-index | Start from this character index |
| --proxy | Proxy URL |
| --lang | Language code for YouTube transcripts (default: en) |
| --help | Show help message |
| --version | Show version |
Examples
Environment Variables
| Variable | Description |
|----------|-------------|
| DEFAULT_LIMIT | Default character limit for responses (default: 5000, set to 0 for no limit) |
| MAX_RESPONSE_BYTES | Maximum response body size in bytes (default: 10485760 / 10 MB) |