Your AI said it did the work. Here's the receipt. Zambo is the verifiable work layer for AI: 153 tools behind one MCP endpoint, zambo.dev/mcp (36 on the default surface), continuity across AIs, and a verifiable AER-1 receipt for every job proving the saved result wasn't changed. Flagship HANDOVER. 123,856 receipts issued; 216,307 downloads. Solo-built by Brennan Zambo. Free 20 calls + 1 wrap-up, pickup free. Day Pass $0.99/24h; Zambo Pass $29/30 days ($19 for $ZAMBO holders); Lifetime $250.

Your AI said it did the work. Here's the receipt.

Hi, I'm Brennan Zambo, solo builder of Zambo. Zambo is the verifiable work layer for AI — flagship product HANDOVER.

What it does:

- 153 tools behind one MCP endpoint: https://zambo.dev/mcp (36 on the default surface)

- Continuity carries sessions, memory and work across AIs — pick up in another AI and keep going

- Every job gets a verifiable AER-1 receipt proving the saved result wasn't changed

- HANDOVER hands finished work to clients with receipts they can verify

By the numbers: 123,856 public receipts issued; 216,307 package downloads across PyPI and npm.

Pricing:

- Free: 20 calls plus 1 wrap-up free every day, pickup always free

- Day Pass: $0.99 unlimited for 24 hours

- Zambo Pass: $29 per 30 days ($19 for $ZAMBO holders)

- Lifetime: $250 one payment

Try it: https://zambo.dev

Live demo: https://zambo.dev/demo

One MCP endpoint: https://zambo.dev/mcp

I'd love your feedback most on: does the receipt idea click for work you'd hand to a client, and what would you want verified first?

Built this solo over the last nine months. The demo is live and needs no signup: zambo.dev/demo. Connect the MCP at zambo.dev/mcp and your AI gets 153 tools, continuity across AIs, and a verifiable receipt for every job. Happy to answer anything about how the receipts work.