MCPs › Dev tools › Receipt — sign an agent's work, verify it offline
Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.
Computed from public signals only — stars, package downloads and how many registries list it. It measures how established a project is, not whether it is safe or right for you.
Not monetized yet
Turn Receipt — sign an agent's work, verify it offline’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 Receipt — sign an agent's work, verify it offline
For anyone using Receipt — sign an agent's work, verify it offline — no Lulu account neededclaude mcp add --transport http receipt---sign-an-agent-s-work--verify-it-offline https://receipt.whirlwindcorp.com/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 receipt---sign-an-agent-s-work--verify-it-offline https://receipt.whirlwindcorp.com/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://receipt.whirlwindcorp.com/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.
Similar servers
Works well together
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This is for the person who owns Receipt — sign an agent's work, verify it offline — 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
Get verified so you can edit the page. Your badge is already live below — no claim needed for that.
Managed hosting with monetization built in — waitlist.
[](https://getlulu.dev/mcps/receipt-sign-an-agent-s-work-verify-it-offline)