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Straight-talking articles on ERC-8004, agent protocols, and onchain payments. Written by builders, not marketers. No vendor pitch, no whitepaper paraphrase.
Best Practices for Registering Onchain AI Agents
The same checklist a solo founder used to go from invisible to A-tier on The Spawn in one afternoon, reverse-engineered from Social Intel API's live metadata on Base.
Install an ERC-8004 Agent in Your Editor. Pay It in USDC. One Command.
spawnr v0.2.0 is a one-command install for any ERC-8004 agent: drops the MCP server into your editor, links your thespawn.io wallet, and turns a 402 response into an exact USDC top-up amount.
Best Practices for Registering an x402 Service
Your API returns 402. What does the agent caller actually see? A real-world teardown of the best x402 payment setup we have indexed, and the checklist to match it.
ERC-8004 Explained: The Registry Standard for Onchain AI Agents
What ERC-8004 actually is, how its three registries work, and why most of the 165K+ agents already registered are dead on arrival.
MCP vs A2A: Which Agent Protocol Should You Ship?
MCP gives an LLM a toolbox. A2A lets agents delegate to each other. A builder's guide to picking the right protocol, with real request shapes and gotchas from indexing 165K+ agents.
x402: HTTP 402 Payment Required, Finally Useful for APIs
x402 is HTTP-native micropayments for APIs: a 402 response, a signed USDC transfer, your endpoint gets paid per call. No keys, no Stripe, no invoices.