mcp-fetch-serverSAFE
A flexible HTTP fetching Model Context Protocol server.
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
[](https://www.npmjs.com/package/mcp-fetch-server)
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:
- 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-dlpif available, otherwise extracts directly from the page. Accepts an additionallangparameter (default:"en") to select the caption language.
Installation
As an MCP server
Add to your MCP client configuration:
{
"mcpServers": {
"fetch": {
"command": "npx",
"args": ["mcp-fetch-server"]
}
}
}As a CLI
npx m
3f4361d01094OBSERVED · 2026-10-12Connect
Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.
claude mcp add mcp-fetch-server -- npx -y [email protected]
{
"mcpServers": {
"mcp-fetch-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
]
}
}
}Exposed tools (6)
6 read · 0 write · 0 destructive.
| Tool | Risk | Description |
|---|---|---|
fetch_html | read | Fetch a website and return its unmodified contents as HTML |
fetch_json | read | Fetch a JSON file from a URL |
fetch_markdown | read | Fetch a website and return its contents converted to Markdown |
fetch_readable | read | Fetch a website and return its main content parsed by Mozilla Readability, converted to Markdown. Strips away navigation, ads, and boilerplate. Ideal for articles and blog posts. |
fetch_txt | read | Fetch a website, convert the content to plain text (no HTML) |
fetch_youtube_transcript | read | Fetch a YouTube video page and extract its captions/transcript |
Trust audit
SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- declared (1 observation(s))
- Shell
- declared (2 observation(s))
- Dependencies
- not all pinned
- Secrets in source
- none-found
Findings (3)
url: "http://127.0.0.1/internal",
@modelcontextprotocol/sdk, @mozilla/readability, jsdom, private-ip, turndown, zod, @types/bun, @types/jsdom
logo.jpg
Gates applied: no_behavioural_pass.
3f4361d01094full audit observations/trust-audit/mcp-server/zcaceres__fetch-mcp.json · Report an issue / request a re-scanAudit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-12 | 3f4361d01094 | SAFE | B | 89 | first audit |
Questions
What is the mcp-fetch-server MCP server?
A flexible HTTP fetching Model Context Protocol server.
What tools does mcp-fetch-server expose?
6 in total: 6 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.
Is mcp-fetch-server safe to connect to an agent?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.
What credentials does mcp-fetch-server need?
No credential environment variables were found in its source, so it appears to need none.
How does mcp-fetch-server run?
It speaks stdio, so it runs as a local process your client starts. It is published on npm as mcp-fetch-server at 1.1.2.
How current is this page?
The grade is for one exact copy of the source (3f4361d01094), read on 2026-10-12. The repository is watched and re-audited when it changes.