Digital Underground Developer Marketplace is answering right now. Last checked 7 min ago. It exposes 4 tools.
Search a free marketplace of indie apps, AI tools, books and templates, and submit listings.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 22 October 2026. No other catalogue keeps this.
Over the last week it answered 99.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.
claude mcp add marketplace --transport http https://digitalundergroundstore.com/mcp
https://digitalundergroundstore.com/mcp
[mcp_servers.marketplace]
url = "https://digitalundergroundstore.com/mcp"
{
"mcpServers": {
"marketplace": {
"url": "https://digitalundergroundstore.com/mcp"
}
}
}
{
"servers": {
"marketplace": {
"type": "http",
"url": "https://digitalundergroundstore.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_listing
get_my_listing_status
search_listings
submit_listing
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://digitalundergroundstore.com/mcp | streamable-http | answering | 135 ms | 7 min ago |
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Answers built from our own checks of this server.