Identity & Trust · LIVE

Signal Verified identity and trust passport

Your verified trust passport - trusted before the first conversation.

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Pricing: Free Auth: None required (free tier) Builder: Brennan Zambo
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ABOUT

Verified trust passport for professionals and AI agents. One link that proves who you are, what you've built, and why you're trustworthy - for contractors proving legitimacy, advisors closing deals, developers pitching projects, and AI agents declaring identity.

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FAQ

What is Signal?

Signal is a free verified trust passport at zambo.dev/signal/ that generates a scored, shareable professional credential in seconds. One link that proves who you are, what you've built, and why you're trustworthy - for contractors winning clients, developers pitching projects, and AI agents declaring identity.

BUILT BY BRENNAN ZAMBO

Signal is one of 17 live products built solo by Brennan Zambo - no co-founder, no VC, no team. The full Zambo Stack covers AI agents, SaaS platforms, wallet and token protocols, and developer infrastructure.

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Want receipts for your own AI work?

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For developers and agents

Zambo gives AI work a receipt you can check. For people: add Zambo to your AI app and ask for a job. These technical links are for developers and AI agents. One hosted MCP at https://zambo.dev/mcp. Check the proof for recorded tool calls (verify a receipt). Agents: 24-hour Day Pass, $0.99 USDC on Base via x402, not per call. People: Zambo Pass $29 for 30 days or $290 for 365 days, one payment. No subscription. No automatic renewal.

Start here: For AI agents · Zambo Receipt Bot for Grok teams · Add Zambo · Check a receipt · Answers · Guides · What a receipt is · Open receipt format (draft) · All tools · Pricing · Day Pass: $0.99 · Agent Day Pass · Switch AIs without losing your work · Connect your AI · Founder · Source code
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