i built zambo alone. no team. no funding. no shortcuts.

Description and use

Zambo is an open receipt system for AI work, built solo without funding, that proved its value with 53,000 unique visitors and a paying customer.

Problem

AI agents produce results without verifiable receipts, making trust difficult in critical domains.

Outcome

Zambo provides a verifiable receipt for every AI job, enabling trust in AI-driven domains; the project achieved significant traffic and a paying customer within 30 days.

Workflow

• Define the aer‑1 spec for AI receipts
• Implement the MCP server with 138 tools
• Publish the IETF draft (now draft‑15)
• Create a conformance suite
• Deploy the server and public site
• Drive traffic and collect real receipts
• Iterate based on feedback

Evidence

i built the mcp server. i shipped 871 pages.

Source

53,000 unique visitors in 30 days. a paying customer. real receipts in the wild.

Source

it is now at draft -15, validated by independent implementers.

Source