Schema | MCP Web Fetch Server

MCP Web Fetch Server

Describes the environment variables required to run the server.

Name	Required	Description
`MCP_AUTH_TOKEN`	No	Bearer token for HTTP mode authentication and dashboard auth
`FETCH_SEARXNG_URL`	No	URL of SearXNG instance for web search fallback (default http://localhost:8080)
`FETCH_ADMIN_ENABLED`	No	Set to 'false' to disable the management GUI (default true)
`FETCH_LOCAL_FILES_ROOT`	No	Root directory for sandboxed local file access (opt-in, disabled by default)

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`completions`	{}
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
fetch_urlA	Fetch a public HTTP/HTTPS URL and return page content as markdown. Use start_index to read long pages in chunks.
fetch_metadata_toolA	Return HTTP metadata for a URL using a HEAD request.
batch_fetchA	Fetch up to 10 public URLs concurrently and return each page's content (or error) in one response.
web_searchA	Search the web via DuckDuckGo (no API key required) and return titles, URLs, and snippets for the top matches. Automatically falls back to a local SearXNG instance (FETCH_SEARXNG_URL) if DuckDuckGo's scrape fails.
extract_linksB	Fetch a URL and extract all links and images from the page as a list.
summarize_urlA	Fetch a URL and ask the connected client's LLM (via MCP sampling) to summarize it. Requires a client that supports the sampling capability; otherwise use fetch_url and summarize the content yourself.
read_fileA	Read a text file from an allowed local directory (configured via FETCH_LOCAL_FILES_ROOT, plus any directories the client exposes as roots). Path is relative to the allowed directory.
list_dirA	List the contents of a directory within an allowed local directory. Leave path empty to list the root itself.
write_fileA	Write text content to a file within an allowed local directory. If the file already exists and overwrite=false, the user will be asked to confirm before it is replaced.

Interactive templates invoked by user choice

Name	Description
`fetch`	Fetch a URL and extract its contents as markdown.
`research_topic`	Guides the assistant through searching, fetching, and synthesizing information about a topic using this server's tools.
`summarize_page`	Fetch a URL and produce a concise, faithful summary of its content.
`extract_key_facts`	Fetch a URL and pull out structured facts (names, dates, numbers, claims).
`compare_sources`	Fetch multiple URLs and compare/contrast what they say about a shared claim or question.

Contextual data attached and managed by the client

Name	Description
`server-settings`	Current (secret-redacted) server configuration and version.
`fetch-history`	The most recent URLs fetched by this server instance, most recent first. Successfully fetched pages may also be readable via the fetch-cache:// resource template.

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