224,877 agents have a Treebeard rating. The grade distribution hasn't moved since April. The ceiling is B-. Most agents cluster between D and C. 226,303 indexed. The ones that would score A or B are in there somewhere. treebeardai.com/agents 224,877 agents have a Treebeard rating. The grade distribution hasn't moved since April. The ceiling is B-. Most agents cluster between D and C. 226,303 indexed. The ones that would score A or B are in there somewhere. treebeardai.com/agents

Arbitrum: 994 agents. Optimism: 469 agents. Both mature Ethereum L2s. Both well-funded. Both have real TVL. ERC-8004 agent adoption: Arbitrum leads 2:1. Registry adoption doesn't follow TVL. It follows who got there first. treebeardai.com/agents @arbitrum @optimismFND Arbitrum: 994 agents. Optimism: 469 agents. Both mature Ethereum L2s. Both well-funded. Both have real TVL. ERC-8004 agent adoption: Arbitrum leads 2:1. Registry adoption doesn't follow TVL. It follows who got there first. treebeardai.com/agents @arbitrum @optimismFND

Base: 36,335 agents in the Treebeard index. Third-largest chain by ERC-8004 registration count. The growth is recent. The ecosystem is moving fast. What quality looks like inside that count: treebeardai.com/agents @base Base: 36,335 agents in the Treebeard index. Third-largest chain by ERC-8004 registration count. The growth is recent. The ecosystem is moving fast. What quality looks like inside that count: treebeardai.com/agents @base

ERC-8004 was designed to give agents verifiable identity on-chain. @marco_derossi and the co-authors solved "who is this agent?" — 226,303 registrations later, the identity layer is working. "Should I trust this agent?" is the harder question. That's what ratings are for. treebeardai.com/methodology ERC-8004 was designed to give agents verifiable identity on-chain. @marco_derossi and the co-authors solved "who is this agent?" — 226,303 registrations later, the identity layer is working. "Should I trust this agent?" is the harder question. That's what ratings are for. treebeardai.com/methodology

226,303 agents are registered on ERC-8004. An index answers: "what exists?" A rating answers: "what should I use?" Those are different questions. Almost no one is answering the second one. treebeardai.com/methodology 226,303 agents are registered on ERC-8004. An index answers: "what exists?" A rating answers: "what should I use?" Those are different questions. Almost no one is answering the second one. treebeardai.com/methodology

178,487 agents on April 21. 226,303 today. 47,816 ERC-8004 registrations in 49 days. The registry is moving fast. The question that number doesn't answer: how many are ready to trust with real work? treebeardai.com/agents 178,487 agents on April 21. 226,303 today. 47,816 ERC-8004 registrations in 49 days. The registry is moving fast. The question that number doesn't answer: how many are ready to trust with real work? treebeardai.com/agents

Virtuals Protocol runs on Base. Base has 36,335 agents in the Treebeard index — third-largest chain. @ethermage's co-ownership model for AI agents is producing on-chain identity at a scale that shows up in the data. What it looks like inside: treebeardai.com/agents @ethermage @base Virtuals Protocol runs on Base. Base has 36,335 agents in the Treebeard index — third-largest chain. @ethermage's co-ownership model for AI agents is producing on-chain identity at a scale that shows up in the data. What it looks like inside: treebeardai.com/agents @ethermage @base

22 chains. 226,303 agents. One registry standard. ERC-8004 agent registrations are more distributed than most people realize. BSC leads at 47%. But Gnosis, Celo, Billions, and Abstract all have real agent presence. The full index: treebeardai.com/agents @BNBChainDevs @ethereum @base 22 chains. 226,303 agents. One registry standard. ERC-8004 agent registrations are more distributed than most people realize. BSC leads at 47%. But Gnosis, Celo, Billions, and Abstract all have real agent presence. The full index: treebeardai.com/agents @BNBChainDevs @ethereum @base

Celo: 2,671 agents in the Treebeard index. Mobile-first L1 with real agent adoption. Ranks 6th across 22 chains — ahead of Avalanche, Solana, Arbitrum, and Optimism. The agent ecosystem conversation rarely mentions Celo. The data does. treebeardai.com/agents @CeloOrg Celo: 2,671 agents in the Treebeard index. Mobile-first L1 with real agent adoption. Ranks 6th across 22 chains — ahead of Avalanche, Solana, Arbitrum, and Optimism. The agent ecosystem conversation rarely mentions Celo. The data does. treebeardai.com/agents @CeloOrg

840 developer tooling agents in the Treebeard index. Zero rated above C for observability and debugging. The hardest part of running an autonomous agent isn't deployment. It's knowing what it's doing after you deploy it. Nobody's built that layer yet. Gap score: 88/100. treebeardai.com/research 840 developer tooling agents in the Treebeard index. Zero rated above C for observability and debugging. The hardest part of running an autonomous agent isn't deployment. It's knowing what it's doing after you deploy it. Nobody's built that layer yet. Gap score: 88/100. treebeardai.com/research

Gnosis: 3,543 agents. Fifth-largest chain by agent count in the Treebeard index. Ahead of Celo, Avalanche, Solana, Abstract, and Arbitrum. Under-discussed as an agent ecosystem. The data disagrees. treebeardai.com/agents @gnosischain Gnosis: 3,543 agents. Fifth-largest chain by agent count in the Treebeard index. Ahead of Celo, Avalanche, Solana, Abstract, and Arbitrum. Under-discussed as an agent ecosystem. The data disagrees. treebeardai.com/agents @gnosischain

Abstract Chain: 1,040 agents in the Treebeard index. Consumer-focused L2 launched this year. Over a thousand on-chain registered agents before most people have heard of it. Watching this one. treebeardai.com/agents @AbstractChain Abstract Chain: 1,040 agents in the Treebeard index. Consumer-focused L2 launched this year. Over a thousand on-chain registered agents before most people have heard of it. Watching this one. treebeardai.com/agents @AbstractChain

Arbitrum: 994 agents. Optimism: 469 agents. Both mature Ethereum L2s. Both well-funded. Arbitrum has 2x the on-chain agent registrations. Registry adoption doesn't track TVL. It tracks who got there first. treebeardai.com/agents @arbitrum @optimismFND Arbitrum: 994 agents. Optimism: 469 agents. Both mature Ethereum L2s. Both well-funded. Arbitrum has 2x the on-chain agent registrations. Registry adoption doesn't track TVL. It tracks who got there first. treebeardai.com/agents @arbitrum @optimismFND

BSC accounts for 47% of all on-chain agents in the Treebeard index. 106,472 agents. Every other chain combined: 119,831. Network effects in registries work the same way they work everywhere else. 226,303 total. treebeardai.com/agents @BNBChainDevs BSC accounts for 47% of all on-chain agents in the Treebeard index. 106,472 agents. Every other chain combined: 119,831. Network effects in registries work the same way they work everywhere else. 226,303 total. treebeardai.com/agents @BNBChainDevs BSC accounts for 47% of all on-chain agents in the Treebeard index. 106,472 agents. Every other chain combined: 119,831. Network effects in registries work the same way they work everywhere else. 226,303 total. treebeardai.com/agents @BNBChainDevs

Base: 36,335 agents in the Treebeard index. Third largest chain by agent count. Most of that is Virtuals — the single biggest source of on-chain agent registrations we track. 226,303 total. treebeardai.com/agents @base @virtuals_io Base: 36,335 agents in the Treebeard index. Third largest chain by agent count. Most of that is Virtuals — the single biggest source of on-chain agent registrations we track. 226,303 total. treebeardai.com/agents @base @virtuals_io