MCPs › Productivity › Safe4
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Not monetized yet
Turn Safe4’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Want top placement in Lulu’s Choice? Get in touch.
Install Safe4
For anyone using Safe4 — no Lulu account neededclaude mcp add --transport http safe4 https://api.safe4.ai/mcp
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
Run: claude mcp add --transport http safe4 https://api.safe4.ai/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://api.safe4.ai/mcp.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.
15 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Works well together
Your server?
This is for the person who owns Safe4 — 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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Managed hosting with monetization built in — waitlist.
[](https://getlulu.dev/mcps/safe4)