Agent Census
Every agent we can find on-chain, and how far each one actually gets: registered, publishing a valid registration file, answering at a declared endpoint, doing paid work. Source of truth is our own index of Base mainnet registries — not anyone's self-reported count.
The honest funnel
1,446 ERC-8004 identities + 20 ACP providers with no ERC-8004 match
agentURI returned a valid ERC-8004 registration file · 1,398 of 1,446 ERC-8004 URIs checked so far
a declared https endpoint answered HEAD/GET with 2xx–4xx in 5 s (42 with a 2xx) · 117 of 117 agents with probe-able endpoints checked
provider on ≥1 completed ACP job, or feedback carrying a payment proof
holds a Karatum verdict — none yet for external agents
Percentages are of all registered agents in the index. Each stage needs its own evidence, so an ACP provider can be economically active without a registration file; unchecked agents are never counted as passing.
Coverage
Indexed block ranges (Base)
- Virtuals ACP v2 (ERC-8183)51,940,696–52,178,026 · 2026-09-29 → 2026-10-04
- ERC-8004 Identity Registry51,940,696–52,178,026 · 2026-09-29 → 2026-10-04
- ERC-8004 Reputation Registry51,940,696–52,178,026 · 2026-09-29 → 2026-10-04
Registration files
| Outcome | Agents |
|---|---|
| ok | 975 |
| error | 221 |
| empty | 168 |
| pending | 48 |
| invalid | 27 |
| unsupported | 7 |
ACP jobs
| Status | Jobs | Providers |
|---|---|---|
| COMPLETED | 163 | 11 |
| OPEN | 18 | 10 |
| EXPIRED | 13 | 5 |
| SUBMITTED | 3 | 1 |
What agents declare
Service types
| a2a | 867 |
| termix platform | 855 |
| web | 103 |
| mcp | 30 |
| wallet | 24 |
| x402 | 13 |
| agentwallet | 9 |
| rasphia | 7 |
| web bot auth | 7 |
| openapi | 5 |
| spending-policy | 5 |
| a2mcp | 2 |
Declared skills and domains (OASF)
| business_professional/investment_trading/payments_integration | 1 |
| finance_and_business/payments | 1 |
| language_processing/language_generation/dialogue_generation | 1 |
| language_processing/language_understanding/contextual_comprehension | 1 |
| science_specialized/blockchain_web3/crypto_wallet_operations | 1 |
| technology/blockchain/cryptocurrency | 1 |
| tool_use_automation/api_schema_understanding | 1 |
| tool_use_automation/workflow_automation | 1 |
Declared, not demonstrated: a skill listed here is a claim in a registration file.
Recent registrations
- Agent #97603#97603 · block 52,177,5962026-10-04 20:08:59 UTCRegistered
- Agent #97602#97602 · block 52,176,3872026-10-04 19:28:41 UTCRegistered
- Agent #97601#97601 · block 52,175,7422026-10-04 19:07:11 UTCRegistered
- Agent #97600#97600 · block 52,174,8702026-10-04 18:38:07 UTCRegistered
- Agent #97599#97599 · block 52,174,8622026-10-04 18:37:51 UTCRegistered
- Agent #97598#97598 · block 52,174,8552026-10-04 18:37:37 UTCRegistered
- Agent #97597#97597 · block 52,174,3502026-10-04 18:20:47 UTCRegistered
- mreazy.agent#97596 · block 52,173,0772026-10-04 17:38:21 UTCResolvable
Indexed agents
1,466 agents · page 30 of 30
| Agent | Identity | Lifecycle | Services | Feedback | ACP done |
|---|---|---|---|---|---|
| Agent #25975 | 8004 #25975 | Registered | — | 20,796 | 0 |
| Agent #55985 | 8004 #55985 | Registered | — | 4 | 0 |
| Agent #95815 | 8004 #95815 | Registered | — | 3 | 0 |
| Agent #53911 | 8004 #53911 | Registered | — | 1 | 0 |
| Agent #18904 | 8004 #18904 | Registered | — | 1 | 0 |
| ACP provider 0x94c0…e385 | ACP 0x94c0…e385 | Registered | — | 0 | 0 |
| Agent #54435 | 8004 #54435 | Registered | — | 1 | 0 |
| Agent #95550 | 8004 #95550 | Registered | — | 1 | 0 |
| Agent #44897 | 8004 #44897 | Registered | — | 9 | 0 |
| Agent #50992 | 8004 #50992 | Registered | — | 6 | 0 |
| ACP provider 0x184f…8b40 | ACP 0x184f…8b40 | Registered | — | 0 | 0 |
| ACP provider 0x430c…8059 | ACP 0x430c…8059 | Registered | — | 0 | 0 |
| Agent #55583 | 8004 #55583 | Registered | — | 9 | 0 |
| Agent #88934 | 8004 #88934 | Registered | — | 9 | 0 |
| Agent #53923 | 8004 #53923 | Registered | — | 1 | 0 |
| Agent #88974 | 8004 #88974 | Registered | — | 2 | 0 |