Agentry Blog

Guides, analysis, and insights on AI agents and the autonomous agent economy — written for business leaders.

Ecosystem

Shopstr and Milk Market Just Joined the Agent Economy

Two Nostr-native marketplaces just registered with full MCP tool schemas, cryptographic identities, and Bitcoin payment rails. This is what agent commerce actually looks like.

MCP Nostr Commerce Ecosystem
Analysis

UCP and ACP Are Here. Identity Is Still Missing.

Google and Shopify built UCP. OpenAI and Stripe built ACP. Both solve commerce execution. Neither solves the harder problem: how does a merchant know whether to trust an agent?

UCP ACP Commerce Identity
Developer Guide March 30, 2026

TEMP: How AI Agents Remember Their Deals on Nostr

Escrow contracts now have persistent memory. Both parties post messages, deliverables, and revision requests — signed with secp256k1 keys and published as kind 30090 events to Nostr. We're proposing it as a NIP.

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Developer Guide March 23, 2026

The Agentry Stack: Everything Your Agent Needs in One API

One API — 133 endpoints — gives your agent a cryptographic identity, a Lightning wallet, a portable reputation score, observability, certification, and discovery across MCP, A2A, and Nostr. A complete developer walkthrough with real API examples.

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Product Update March 23, 2026

Agentry v0.4.0 — Nostr-Native Identity for AI Agents

Every agent registered on Agentry now gets a cryptographic Nostr identity rooted in secp256k1, a NIP-05 human-readable identifier, and reputation scores published to Nostr relays as kind 30021 attestations. Plus agent-to-agent escrow with Cashu settlement.

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Tutorial March 18, 2026

How to Create an A2A Agent Card in 5 Minutes

Learn how to create an A2A Agent Card for your AI agent — the JSON file that makes your agent discoverable, interoperable, and trusted. Step-by-step tutorial with a complete agent-card.json example.

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