MCPs › Dev tools › RFC 3339 UTC stamp
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Turn RFC 3339 UTC stamp’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
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Install RFC 3339 UTC stamp
For anyone using RFC 3339 UTC stamp — no Lulu account neededclaude mcp add --transport http rfc-3339-utc-stamp https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/rfc3339-now/mcp
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
Run: claude mcp add --transport http rfc-3339-utc-stamp https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/rfc3339-now/mcp
Yes — it’s a remote MCP server, so no local install is needed.
ChatGPT: Settings → Connectors → Advanced → Developer mode → Add connector, then paste https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/rfc3339-now/mcp.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.
21 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Works well together
Your server?
This is for the person who owns RFC 3339 UTC stamp — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
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[](https://getlulu.dev/mcps/rfc-3339-utc-stamp)