YC AI visibility / Summer 2026

Most AI-visible companies in YC Summer 2026

We scored 131 active B2B and fintech companies from Y Combinator's Summer 2026 batch on how easily ChatGPT, Perplexity, Claude and AI agents can find, understand and use them. Agentmuxer leads with 98/100. Data from our crawl on October 18, 2026; scores are a homepage snapshot, not live.

Summer 2026 average score

All-YC average (-1 for this batch)

58%

of this batch have no llms.txt (all YC: 55%)

#	Company	Score	Crawlers	Content	Schema	Agents
1	Agentmuxer agentmuxer.com	98	95	100	100	100
2	Archal archal.ai	97	95	94	100	100
2	Mireye mireye.com	97	95	100	88	100
2	Prized prized.dev	97	95	94	100	100
5	Agnost AI agnost.ai	96	100	100	100	83
5	Context.dev context.dev	96	95	93	100	100
5	Hoplite hoplite.sh	96	95	93	100	100
5	Speko speko.ai	96	100	87	100	100
9	Financial Datasets financialdatasets.ai	95	95	87	100	100
9	Graphify Labs graphify.com	95	95	87	100	100
9	NebuSec nebusec.ai	95	95	100	100	83
9	screenpipe screenpipe.com	95	95	100	100	83
13	Edviro edviroenergy.com	93	95	94	100	83
13	Experiential Labs experientiallabs.ai	93	95	94	100	83
13	OpenRelay openrelay.inc	93	95	94	100	83
13	OpenTag tryopentag.com	93	92	100	100	83
13	Rex rex.inc	93	92	100	100	83
13	Risklytics risklytics.ai	93	95	94	100	83
13	Stoa stoaexchange.com	93	95	94	100	83
20	Codag codag.ai	92	95	93	100	83
21	Alkera AI alkera.ai	91	95	89	100	83
21	Billow AI Labs thebillow.ai	91	95	94	100	74
21	Caution caution.co	91	95	89	100	83
21	Rapidfolio rapidfolio.com	91	95	94	88	83
21	Trident tridentsecurity.io	91	95	94	100	74
21	Trope trope.ai	91	95	94	100	74
27	Cerenovus cerenovus.ai	90	92	94	100	74
27	GitCafe git.cafe	90	95	72	100	100
27	Maxxwell maxxwell.dev	90	95	94	100	71
27	Mentlio mentlio.com	90	92	94	88	83
27	Pango pango.ai	90	95	93	100	74
32	LemonLime lemonlime.com	89	95	94	88	74
32	Luca IQ lucaiq.com	89	100	79	100	78
32	Peer peer-freight.com	89	95	87	100	74
32	Tracer tracerml.ai	89	95	89	100	74
32	Zomma zommalabs.com	89	92	100	100	62
37	Bernard bernardhq.com	88	95	94	100	62
37	Last Accounting Company lastaccountingcompany.com	88	100	94	88	62
37	Palette palettelabs.com	88	94	87	100	74
37	Perceptron ML perceptronml.com	88	95	94	100	62
41	Dock trydock.ai	87	95	63	100	100
41	Nex nex.ai	87	95	81	100	74
41	Olam Labs olamlabs.ai	87	95	93	100	62
44	Ooak Data ooakdata.com	86	95	94	88	62
45	OneCLI onecli.sh	85	95	94	100	47
46	Conifer conifer.build	84	95	72	100	71
46	Marble joinmarble.ai	84	95	100	100	38
48	Async withasync.com	83	86	100	100	47
48	Callbook AI callbook.ai	83	95	94	100	38
48	Donkey donkey.trade	83	95	94	100	38
48	Ekho Labs ekholabs.com	83	95	94	100	38
48	Orchestra orchestra.ai	83	95	72	88	74
48	Poth Labs pothlabs.com	83	95	94	100	38
54	Traceforce traceforce.ai	82	92	89	100	47
55	CoArena coarena.ai	81	95	72	100	62
55	Inkbox inkbox.ai	81	100	87	20	83
55	Litmus litmushiring.com	81	100	87	100	35
55	OpenVector openvector.com	81	100	94	100	26
55	Qlo getqlo.com	81	94	93	100	38
55	Whitespace whitespacehq.ai	81	95	100	100	26
61	Decawork decawork.ai	80	95	94	100	26
61	Pennant getpennant.ai	80	92	100	100	26
61	Pluto talentpluto.com	80	95	94	100	26
61	Rational rational.to	80	94	51	100	83
61	Studio trystudio.ai	80	95	87	100	38
66	Datoric datoric.com	79	95	64	100	62
66	OneTriangle onetriangle.ai	79	85	94	100	38
68	Executor executor.sh	78	85	93	20	83
69	Parasma parasma.com	77	95	85	100	26
70	Agentcard agentcard.sh	76	92	93	20	64
70	Assemble assemble.ai	76	92	85	100	26
72	LATO latolabs.io	75	80	94	100	26
73	Akon Labs akonlabs.com	73	95	100	20	38
73	Almanac usealmanac.com	73	80	100	55	38
73	Denta denta.com	73	95	68	88	38
76	Tenor heytenor.com	71	100	72	8	62
77	Florin florin.inc	70	95	72	55	38
77	Touchmark touchmark.ai	70	85	94	20	47
79	Arbital arbital.xyz	69	95	79	20	47
79	DeepReach Inc. deepreach.ai	69	95	94	20	26
79	machine0 machine0.io	69	80	94	20	47
79	Magma magmahq.ai	69	95	93	8	38
79	Waybill waybill.to	69	100	94	8	26
84	Petrarch petrarch.co	68	95	31	88	62
85	HyperProbe hyperprobe.co	67	95	78	8	47
85	Sidekick textsidekick.com	67	100	87	8	26
85	Tarifflo Inc. tarifflo.com	67	92	66	8	64
88	Capto gocapto.com	66	85	87	20	38
88	CarSignal trycarsignal.com	66	80	91	8	47
88	COACH getcoach.com	66	95	81	8	38
88	Computable getcomputable.com	66	80	87	20	47
88	Dialogus dialoguslabs.com	66	80	91	8	47
88	Glen tryglen.com	66	95	85	20	26
88	Marker onmarker.com	66	100	79	20	26
88	Osseus osseus.ai	66	95	83	20	26
88	Prodigy Research prodigy.markets	66	85	87	20	38
88	Riften riften.ai	66	95	48	100	26
98	Derya usederya.com	65	95	87	8	26
98	Levocred AI levocred.com	65	95	72	20	38
98	Zaplar zaplar.com	65	95	81	20	26
101	Ekpa goekpa.com	64	80	91	8	38
101	Locke locke.inc	64	80	87	20	38
101	Shielded shieldedglobal.com	64	82	91	8	38
104	Belvedir belvedir.ai	63	80	83	20	38
104	Click useclick.ai	63	95	48	20	62
104	Kebra kebra.com	63	92	48	88	26
107	Dream pingdream.com	61	80	91	8	26
107	Palisade palisade-ai.com	61	85	79	20	26
107	Palisade palisade.run	61	77	87	8	38
110	Daqstra daqstra.com	60	80	87	8	26
110	Erinys erinys.ai	60	95	68	8	26
112	TovenAI toven.ai	59	80	76	8	38
112	Verdict Machine verdictmachine.com	59	95	23	100	26
114	Spectre Intelligence spectreintelligence.ai	58	80	79	8	26
115	Bizmark bizmark.ai	57	80	78	8	26
116	Lamb Labs lamb-labs.com	56	100	49	8	26
117	hardware intelligence hardwareintelligence.ai	55	95	48	20	26
117	Markov markovstudios.com	55	80	72	8	26
117	TryNearby trynearby.com	55	85	38	8	62
120	EdotEnv edotenv.com	54	80	68	8	26
120	Induction Labs inductionlabs.com	54	80	63	20	26
120	PRINCEPS princeps.dev	54	77	70	8	26
123	Tokenless usetokenless.com	52	80	55	20	26
124	Autoresearch, Inc. autoresearch.inc	50	95	36	8	26
125	CueBench cuebench.dev	49	80	51	8	26
125	Fabraix fabraix.com	49	85	38	20	26
125	Spaceflow spaceflow.tech	49	95	31	8	26
128	Axelrod axelrodlabs.com	47	85	36	8	26
129	Mosaic mosaic.inc	46	80	40	8	26
130	Standard Machines standardmachines.com	45	80	34	8	26
131	MusicArena musicarena.io	38	77	14	8	26

Sub-scores: Crawlers = AI crawler access, Content = answer-engine content, Schema = structured data, Agents = agent readiness (llms.txt, API/MCP). Ties share a rank.

YC Summer 2026 vs all of YC

Area	Summer 2026	All YC
Overall score	76	77
AI crawler access	92	93
Answer-engine content	81	82
Structured data	62	62
Agent readiness	53	56

Most common gaps in YC Summer 2026

No discoverable API or MCP for agents89% (all YC: 87%)

No question & answer content76% (all YC: 71%)

No docs / help content linked66% (all YC: 46%)

No llms.txt58% (all YC: 55%)

No product / organization schema44% (all YC: 46%)

Pricing not machine-readable43% (all YC: 40%)

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Other YC batches

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Methodology: how the YC dataset was built. Batch labels come from Y Combinator's public directory; RankRoot is not affiliated with Y Combinator.