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webEmbedding MCP Server

answering

webEmbedding is answering right now. Last checked 10 min ago. 177 installs a week from npm. It exposes 6 tools. Last commit 28 Oct 2026.

Clone any web page from a URL into a verified offline HTML copy, embed, or rebuild.

Installs per day peak 39 · avg 9 · -1% w/w
a month agotoday
Uptime history 91 days of history · worst day 0%
91 days agonow
74.7%
Uptime 24h
136 of 182 checks
6
Tools
read from the server
202 ms
Response time
average over 24h
177
Installs / week
npm and PyPI

What changed 9

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 29 October 2026. No other catalogue keeps this.

29 Oct 6 tools appeared classify_clone_mode, detect_runtime_capabilities, discover_embed_candidates and 3 more
29 Oct 3 tools disappeared add, echo, server_time

What the code does

We read the source, 1 d ago · tools taken from the live server · rules 995398eba69f

A tool parameter reaches a dangerous call

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

A tool parameter reaches a file or shell call trace_runtime_sources.url → bundle/source-first-clone/mcp/source_first_clone/acquisition.py:6097, trace_runtime_sources.url → bundle/source-first-clone/mcp/source_first_clone/acquisition.py:5546
    completed = subprocess.run(
Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

A tool parameter here reaches a dangerous call

That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

run in your terminal
claude mcp add web-embedding --transport http https://webembedding-mcp.vercel.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://webembedding-mcp.vercel.app/mcp
~/.codex/config.toml
[mcp_servers.web-embedding]
url = "https://webembedding-mcp.vercel.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "web-embedding": {
      "url": "https://webembedding-mcp.vercel.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "web-embedding": {
      "type": "http",
      "url": "https://webembedding-mcp.vercel.app/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

classify
classify_clone_mode
Decide whether a reference should be embedded, sourced, locally captured, bounded-rebuilt, or blocked before reproduction.
detect
detect_runtime_capabilities
Report hosted Apps SDK readiness, read-only runtime capabilities, unsupported capture behavior, and the local stdio command.
discover
discover_embed_candidates
Extract likely embed, preview, viewer, remix, and source URLs from a public or user-authorized page.
generate
generate_embed_snippet
Generate an iframe snippet for a known frameable and authorized URL. Does not verify frameability by itself.
inspect
inspect_url
Fetch a public or user-authorized URL and inspect title, metadata, frame policy, and likely source/embed candidates. Does not capture screenshots or persist artifacts.
plan
plan_reproduction_path
Create a source-first plan that separates exact embed/source reuse from local capture and bounded rebuild work.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

add
removed 29 Oct 2026
echo
removed 29 Oct 2026
server_time
removed 29 Oct 2026

Endpoints

URLTransportStateLatencyChecked
https://webembedding-mcp.vercel.app/mcp streamable-http needs auth 70 ms 10 min ago
https://webembedding-jongkos-mcp.vercel.app/mcp streamable-http answering 69 ms 10 min ago

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webEmbedding — questions

Answers built from our own checks of this server.

What can webEmbedding do?
It exposes 6 tools, read directly from the server on our last check. Among them: classify_clone_mode, detect_runtime_capabilities, discover_embed_candidates, generate_embed_snippet, inspect_url, plan_reproduction_path. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is webEmbedding working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 136 of 182 checks got a reply (74.7%), average response time 202 ms. The bar chart above shows every period we have measured.
Did webEmbedding ever remove tools?
Yes. add, echo, server_time are no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.
How do I connect webEmbedding?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.
Does webEmbedding need an API key?
Yes. Every time we knock, webEmbedding answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.
How fast is webEmbedding?
It answers our handshake in 202 ms on average, which is faster than 72% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use webEmbedding?
The npm package web-embedding was installed 177 times in the last week. Week over week that is -1%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is webEmbedding open source?
The code is open source: it is published under the MIT licence, written in Python, 8 stars on GitHub and 2 open issues. The licence covers the code in the repository, not the hosted service at webembedding-mcp.vercel.app, which runs on its operator's own terms.