Forge by UI8 MCP Server

by ui8 Your server? Claim it

answering

Forge by UI8 is answering right now. Last checked 12 min ago.

A visual brain for your agents: live, reusable UI fragments and skills to pull into code.

Uptime history 6 days of history · worst day 97%

6 days agonow

97.8%

Uptime 24h

89 of 91 checks

—

Tools

hidden behind auth

353 ms

Response time

average over 24h

OAuth sign-in

Access

streamable-http

Forge by UI8 does not always answer

Over the last week it answered 99.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add forge --transport http https://forge.ui8.ai/mcp

Settings → Connectors → Add custom connector, then paste this address

https://forge.ui8.ai/mcp

~/.codex/config.toml

[mcp_servers.forge]
url = "https://forge.ui8.ai/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "forge": {
      "url": "https://forge.ui8.ai/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "forge": {
      "type": "http",
      "url": "https://forge.ui8.ai/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URL	Transport	State	Latency	Checked
https://forge.ui8.ai/mcp	streamable-http	sign-in	324 ms	12 min ago

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Forge by UI8 — questions

Answers built from our own checks of this server.

Why is there no tool list for Forge by UI8?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 97.8% of checks in the last 24 hours got a reply.

Is Forge by UI8 working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 89 of 91 checks got a reply (97.8%), average response time 353 ms. The bar chart above shows every period we have measured.

How do I connect Forge by UI8?

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 sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to Forge by UI8?

No API key is involved. Forge by UI8 answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is Forge by UI8?

It answers our handshake in 353 ms on average, which is faster than 39% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.