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Openunfurl

solvohq/openunfurl

Wraps a zero-signup link unfurl API as a single MCP tool. Give it any public URL and get back title, description, image, favicon, Open Graph, Twitter Card, and oembed metadata as structured JSON. No API key, no account, just a stateless HTTP call. Built specifically so autonomous agents can preview links without a human to handle signup flows. The underlying REST endpoint parses static HTML only in v0.1, so JavaScript-rendered SPAs will return whatever's in the initial payload. Rate limited per instance to prevent abuse, with SSRF guards against private IPs. Useful when you need an LLM to summarize or decide whether to follow a link before actually fetching it.

tool
1
transport
HTTP
last updated
May 17, 2026
View on GitHub

Install

From registry metadata
$ npx add-mcp https://openunfurl.vercel.app/api/mcp --name openunfurl

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http openunfurl https://openunfurl.vercel.app/api/mcp

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 1 tools

Verified live against the running server on Nov 6, 2026.

unfurlFetch clean link-preview metadata (title, description, image, siteName, favicon, oembed) for any public URL. No signup, no API key. Static-HTML parse only (no JS/SPA render).1 params

Fetch clean link-preview metadata (title, description, image, siteName, favicon, oembed) for any public URL. No signup, no API key. Static-HTML parse only (no JS/SPA render).

Parameters* required
url*string
The http(s) URL to unfurl

Sponsors

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Readme

OpenUnfurl

A zero-signup link-unfurl / link-preview API. No account, no API key — one GET request.

Give it any public URL, get back clean preview metadata (title, description, image, siteName, favicon, Open Graph / Twitter Card, oembed) as JSON. Built so autonomous AI agents can use it as a tool — an agent has no human to do a signup.

Live: https://openunfurl.vercel.app

Quick start

curl "https://openunfurl.vercel.app/api/unfurl?url=https://github.com"

Sample response:

View the full README on GitHub

Details

Repository
github.com/solvohq/openunfurl
Category
Data & Analytics
Transport
HTTP
Registry
MCP registry, active
Tools verified
Nov 6, 2026

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