Terrarium MCP Server

by nelsonsantryhkd Your server? Claim it

not responding

Terrarium is listed as active in the registry but did not answer our last check. Last commit 7 Jul 2026.

Human visual review for agent-built HTML: publish artifacts, pull anchored comments, push fixes.

Uptime history 91 days of history · worst day 0%

91 days agonow

0.0%

Uptime 24h

0 of 92 checks

—

Tools

hidden behind auth

114 ms

Response time

average over 24h

Stars

last commit 7 Jul 2026

Terrarium does not always answer

Over the last week it answered 0.0% 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 0 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add terrarium --transport http https://www.tryterrarium.com/api/mcp

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

https://www.tryterrarium.com/api/mcp

~/.codex/config.toml

[mcp_servers.terrarium]
url = "https://www.tryterrarium.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "terrarium": {
      "url": "https://www.tryterrarium.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "terrarium": {
      "type": "http",
      "url": "https://www.tryterrarium.com/api/mcp"
    }
  }
}

Endpoints

URL	Transport	State	Latency	Checked
https://www.tryterrarium.com/api/mcp	streamable-http	answering	114 ms	0 min ago

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Terrarium — questions

Answers built from our own checks of this server.

Is Terrarium working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 92 checks got a reply (0.0%), average response time 114 ms. The bar chart above shows every period we have measured.

The registry lists Terrarium as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect Terrarium?

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.

Does Terrarium need an API key?

No. Terrarium completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.

Is Terrarium open source?

We cannot say either way: 2 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.