AgentIndex · trends

AI agent ecosystem adoption

Daily-measured growth across 54 days (2026-08-13 – 2026-10-05). All numbers from our nightly crawl and on-chain verification — not publisher self-reports. Change shown relative to the first measured day.

Endpoints indexed

20,628

↑ 68.7% (+8,400)

Unique agent service domains tracked in the index.

MCP resources

35,374

↑ 58% (+12,989)

Model Context Protocol — resources from live servers in the index.

x402 paid services

52,792

↑ 129.8% (+29,817)

Endpoints serving x402 HTTP payment challenges (Coinbase protocol).

A2A agents

3,363

↑ 113.8% (+1,790)

Google A2A protocol — agents with published agent cards.

Payments measured

321,838

↓ 73.6% (-895,375)

On-chain USDC transfers to indexed agent services. Trailing 7-day rolling window.

ERC-8004 agents

105,701

↑ 163.2% (+65,534)

Trustless Agents IdentityRegistry on Base + Ethereum + Arbitrum.

Resource listings

274,661

↑ 64.6% (+107,789)

Total resource listings across all endpoints (including multi-source duplicates).

Bazaar 30d calls

880,344

↑ 166.5% (+550,023)

Coinbase x402 Bazaar-measured API calls to listed services, trailing 30 days.

Historical data

Date	Endpoints	MCP	x402	A2A	Payments	Resources
2026-10-05	20,628	35,374	52,792	3,363	321,838	274,661
2026-10-04	20,414	35,319	50,745	3,363	312,660	272,594
2026-10-03	20,187	35,310	49,164	3,362	314,237	270,350
2026-10-02	19,985	35,307	46,598	3,362	294,985	267,525
2026-10-01	19,778	35,290	44,347	3,362	334,440	265,207
2026-09-30	19,562	35,288	43,495	3,361	292,806	264,068
2026-09-29	19,389	35,322	41,680	3,361	264,675	261,785
2026-09-28	19,199	35,318	40,995	3,360	238,566	261,067
2026-09-27	19,021	35,310	40,577	3,359	236,926	260,536
2026-09-26	18,857	35,303	40,330	3,358	232,208	259,777
2026-09-25	18,665	35,297	39,801	3,357	226,632	258,879
2026-09-24	18,539	35,284	38,951	3,358	232,017	257,977
2026-09-23	18,361	35,285	37,589	3,358	231,542	256,243
2026-09-22	18,209	35,273	37,016	3,356	212,509	255,085
2026-09-21	18,061	35,260	36,802	3,356	220,073	254,686
2026-09-20	17,932	35,257	36,441	3,356	223,985	254,296
2026-09-19	17,801	35,240	36,086	3,355	227,838	253,768
2026-09-18	17,677	35,232	35,999	3,349	242,121	246,455
2026-09-17	17,537	35,227	35,821	3,349	204,259	246,215
2026-09-16	17,394	35,213	35,679	3,349	185,578	245,923
2026-09-15	17,276	35,210	35,024	3,347	198,187	244,743
2026-09-14	17,139	35,206	34,652	3,347	178,732	244,344
2026-09-13	17,040	35,202	33,745	3,345	142,629	243,389
2026-09-12	16,899	35,198	33,505	3,344	135,126	242,364
2026-09-11	16,769	35,197	33,052	3,343	132,713	241,888
2026-09-10	16,640	35,194	32,872	3,343	196,731	241,581
2026-09-09	16,509	35,187	32,680	3,343	430,346	240,784
2026-09-08	16,315	35,186	32,424	3,342	294,616	240,449
2026-09-07	16,193	35,176	32,190	3,340	308,594	240,037
2026-09-06	15,791	35,160	31,873	3,336	465,508	239,315
2026-09-05	15,572	35,147	31,218	3,336	470,844	238,646
2026-09-04	15,443	35,141	31,022	3,335	319,765	238,380
2026-09-03	15,213	35,123	29,868	3,332	282,498	234,138
2026-09-02	15,064	35,115	29,512	3,329	236,908	233,751
2026-09-01	14,909	35,105	29,085	3,328	203,128	233,218
2026-08-31	14,790	34,924	28,813	3,273	193,449	225,269
2026-08-30	14,675	34,562	28,463	3,099	403,268	224,889
2026-08-29	14,540	34,106	28,215	3,049	357,922	224,402
2026-08-28	14,401	33,958	27,844	2,994	1,080,743	219,719
2026-08-27	14,279	33,925	27,523	2,896	1,831,625	219,343
2026-08-26	14,134	33,870	27,286	2,721	2,552,147	218,589
2026-08-25	13,981	33,749	27,107	2,461	4,866,493	215,707
2026-08-24	13,856	33,727	26,945	2,120	7,270,754	214,939
2026-08-23	13,743	33,695	26,732	1,818	8,479,611	206,296
2026-08-22	13,537	33,243	26,515	1,637	9,071,241	195,445
2026-08-21	13,076	22,407	26,171	1,575	9,106,749	172,872
2026-08-20	12,960	22,402	25,923	1,574	4,446,747	172,568
2026-08-19	12,849	22,397	25,782	1,574	4,098,640	172,310
2026-08-18	12,744	22,401	25,428	1,574	3,100,321	171,844
2026-08-17	12,637	22,393	25,180	1,574	2,208,726	171,499
2026-08-16	12,550	22,395	25,043	1,574	1,646,996	171,328
2026-08-15	12,480	22,391	24,730	1,574	1,386,382	170,881
2026-08-14	12,343	22,385	23,306	1,573	1,231,372	169,308
2026-08-13	12,228	22,385	22,975	1,573	1,217,213	166,872

Payments column reflects a trailing 7-day rolling window, not a cumulative total. Data updates each night around 03:30 UTC. Machine-readable equivalent: /data.json.