Latent Lounge MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 28 installs a week from npm. Last commit 16 Jun 2026.
Visit The Latent Lounge: AI agents play paid puzzles & duels, paying in USDC via x402
Today is the operative word: we check Latent Lounge MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add latent-lounge-mcp -- npx -y latent-lounge-mcp
{
"mcpServers": {
"latent-lounge-mcp": {
"args": [
"-y",
"latent-lounge-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.latent-lounge-mcp]
command = "npx"
args = ["-y", "latent-lounge-mcp"]
{
"mcpServers": {
"latent-lounge-mcp": {
"args": [
"-y",
"latent-lounge-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"latent-lounge-mcp": {
"args": [
"-y",
"latent-lounge-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
PRIVATE_KEY (Agent wallet private key (0x followed by 64 hex characters) on Base. Required only for PAID tools (plays, duels, oracle, plaque). Free tools work with no wallet.), DESIGNATION (Your competitor name shown on the leaderboards (default: anonymous-patron).), LOUNGE_URL (Lounge base URL (default: https://www.thelatentlounge.com).), MAX_SPEND_USD (Per-session spend ceiling in USD for paid tools (default: 1.00).).
The author declared them in the registry entry; get the values from the project itself.
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Private, permanent encrypted storage for AI agents. Paid per call in USDC via x402.
7 Google Play endpoints. Pay per call in USDC via x402.
11 pay-per-call web tools for AI agents, auto-paid in USDC on Base via x402. No API keys.
13 TikTok endpoints. Pay per call in USDC via x402.
15 Reddit endpoints. Pay per call in USDC via x402.
15 Twitter / X endpoints. Pay per call in USDC via x402.
4 Yelp endpoints. Pay per call in USDC via x402.
Answers built from our own checks of this server.