Schema | safe-fetch-mcp-server

safe-fetch-mcp-server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`HOST`	No	HTTP bind address.	127.0.0.1
`PORT`	No	HTTP port.	3000
`TRANSPORT`	No	Transport mode. Switch to Streamable HTTP by setting this or using --http flag.	stdio
`SAFE_FETCH_ALLOWLIST`	No	Comma-separated host allowlist.
`SAFE_FETCH_MAX_BYTES`	No	Response size cap.	5000000
`SAFE_FETCH_TIMEOUT_MS`	No	Request timeout.	10000
`SAFE_FETCH_ALLOW_LOCAL`	No	Allow loopback/RFC-1918 targets (never allows metadata/link-local).	false
`SAFE_FETCH_MAX_REDIRECTS`	No	Redirect hop limit.	5
`SAFE_FETCH_RATE_LIMIT_MAX`	No	Requests per window, per IP (HTTP mode).	60
`SAFE_FETCH_ALLOWED_ORIGINS`	No	Comma-separated Origin allowlist (CORS) for HTTP mode.
`SAFE_FETCH_RATE_LIMIT_WINDOW_MS`	No	Rate-limit window.	60000

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
fetch_urlA	Fetch an http(s) URL and return clean markdown. Read-only; refuses private/loopback/metadata targets by default. Args: url, format ('markdown'\|'raw', default 'markdown'), max_bytes?, start_index?. Returns text content plus structuredContent {status, finalUrl, contentType, bytes, truncated}. Example: fetch_url({ url: 'https://example.com' }).

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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