YC AI visibility / Fall 2026

Most AI-visible companies in YC Fall 2026

We scored 84 active B2B and fintech companies from Y Combinator's Fall 2026 batch on how easily ChatGPT, Perplexity, Claude and AI agents can find, understand and use them. Boat leads with 98/100. Data from our crawl on October 18, 2026; scores are a homepage snapshot, not live.

Fall 2026 average score

All-YC average (+4 for this batch)

43%

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

#	Company	Score	Crawlers	Content	Schema	Agents
1	Boat boat.dev	98	95	100	100	100
1	Databuddy databuddy.cc	98	95	100	100	100
3	Ploid ploid.com	97	95	94	100	100
3	Quivly AI quivly.ai	97	95	94	100	100
5	Caveman caveman.so	96	89	100	100	100
5	Maritime maritime.sh	96	100	87	100	100
5	Mirrors mirrors.dev	96	100	100	100	83
8	DeepMark deepmark.me	95	92	100	100	88
8	Runinfra runinfra.ai	95	95	100	100	83
10	Hesper AI gethesperai.com	94	100	93	100	83
11	Agent Relay agentrelay.com	93	92	94	100	88
11	Clean tryclean.ai	93	92	100	100	83
11	Composal composal.ai	93	95	94	100	83
11	Covera covera-agents.com	93	92	100	100	83
11	Nodus Compute nodus-compute.ai	93	95	94	100	83
11	ObsessionDB obsessiondb.com	93	95	94	100	83
11	Papaya papaya.fyi	93	95	94	100	83
18	Boxes.dev boxes.dev	92	100	87	100	83
18	ByteAsk byteask.ai	92	95	93	100	83
18	Sintropix sintropix.com	92	95	100	100	74
21	Neomatter neomatter.com	91	95	94	100	74
21	Rystic rystic.ai	91	95	87	100	83
21	Stacktrace stacktrace.ai	91	95	94	88	83
24	Gradon heygradon.com	90	95	100	100	62
24	Grep AI grep.ai	90	95	100	100	64
24	Oasive oasive.ai	90	89	100	100	74
24	Sona8 sona8.com	90	95	94	100	71
28	Adside.ai adside.ai	89	95	93	88	74
28	Lantern AI lantern.md	89	92	100	100	62
28	Native native.no	89	95	94	100	64
28	River meetriver.com	89	95	87	100	74
32	Ageospatial ageospatial.com	88	95	94	100	62
32	Terse useterse.ai	88	95	94	100	62
32	Theagenticdatacompany theagenticdatacompany.com	88	95	94	100	62
35	Ignition Benefits ignitionbenefits.com	86	95	100	100	47
35	Petrichor petrichorbio.com	86	95	87	100	62
37	Agent 37 agent37.com	85	95	100	88	47
37	herdr herdr.dev	85	95	81	67	83
37	Simulithic simulithic.com	85	95	94	100	47
40	OnePatch onepatch.dev	84	92	94	100	47
40	OpenSEO openseo.so	84	95	87	20	100
40	ORO AI oroagents.com	84	100	66	100	71
40	Sentient OS sentient-os.ai	84	95	100	100	38
40	Simantic simantic.com	84	100	57	100	83
40	Voyager voyager.so	84	95	63	100	83
46	Asakana asakana.co	83	100	100	100	26
46	Decent decent.com	83	92	94	55	74
46	Volaren Inc. volaren.ai	83	95	94	100	38
49	The Company Company thecompany.company	82	92	78	100	62
50	Forward useforward.co	81	95	94	88	38
50	OpenHack openhack.com	81	95	100	20	74
50	Praxis runpraxis.ai	81	100	94	100	26
53	Definite usedefinite.com	80	95	94	20	74
53	Hickory & Company hickory.co	80	95	94	100	26
53	Perit.AI perit.ai	80	95	79	100	47
53	Redoubt Insurance redoubt.insure	80	95	94	100	26
57	GrayPass graypass.org	79	95	93	100	26
57	Latent runlatent.ai	79	95	85	20	83
57	Resin Technologies resineda.com	79	100	100	8	64
60	Acyclic Labs acyclic.dev	78	95	81	8	88
61	Graphide graphide.com	76	95	93	55	38
62	isoquant isoquant.ai	74	95	94	20	47
63	Lyon lyon.so	72	95	72	88	26
63	Munito AI munito.ai	72	95	63	8	88
63	OpEra operatechnologies.com	72	95	38	100	62
63	Tilion tilion.com	72	95	40	100	62
67	Hue hue.run	69	95	87	20	35
67	Tire Swing gettireswing.com	69	95	93	8	38
69	Pomerado pomerado.ai	68	80	93	20	47
69	Spine joinspine.ai	68	91	85	8	47
71	Applied Kinetics appliedkinetics.ai	65	95	87	8	26
72	Elimentary elimentary.com	64	95	78	20	26
72	sintem sintem.co	64	95	83	8	26
74	TrueMile truemile.ai	63	80	96	8	26
74	Vorelios vorelios.com	63	85	87	20	26
76	Veltha veltha.ai	61	80	87	20	26
77	Bryel bryel.ai	60	77	87	20	26
78	Tilo tilo.so	59	85	64	20	35
79	Collar usecollarai.com	58	77	74	8	38
80	Hopper withhopper.com	57	80	61	20	38
81	GodHands godhands.ai	55	89	31	8	62
82	UFO.ai ufo.ai	49	95	31	8	26
83	Usefr usefr.com	47	85	38	8	26
84	Kailash Labs kailashlabs.com	46	80	38	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 Fall 2026 vs all of YC

Area	Fall 2026	All YC
Overall score	81	77
AI crawler access	93	93
Answer-engine content	86	82
Structured data	71	62
Agent readiness	61	56

Most common gaps in YC Fall 2026

No discoverable API or MCP for agents83% (all YC: 87%)

No question & answer content61% (all YC: 71%)

No docs / help content linked49% (all YC: 46%)

No llms.txt43% (all YC: 55%)

Pricing not machine-readable40% (all YC: 40%)

No product / organization schema35% (all YC: 46%)

Is your company scored correctly? Re-run the free audit.

Same 22 checks, live. See your fixes and where you would rank in Fall 2026.

Re-run the free audit

Want to climb the leaderboard? The RankRoot Traffic Boost ($49 once) includes 7 days of Pro to audit up to 50 pages per scan and generate llms.txt, llms-full.txt and per-page JSON-LD, and your product featured across RankRoot for 30 days (homepage, launch directory, your industry page and the tool AI agents use to find products), live today with a dofollow link and a public count of every visitor sent. Get the Traffic Boost · $49 · or have it done for you

Show your rank in YC Fall 2026

Add a badge to your site, docs or README that links to this leaderboard. Replace boat.dev with your domain, or copy the ready-made snippet from your company's page. Example for Boat:

HTML

<a href="https://getrankroot.com/yc/fall-2026"><img src="https://getrankroot.com/api/badge/yc?domain=boat.dev" alt="YC Fall 2026 · AI visibility #1 of 84" height="20"></a>

Markdown

[![YC Fall 2026 · AI visibility #1 of 84](https://getrankroot.com/api/badge/yc?domain=boat.dev)](https://getrankroot.com/yc/fall-2026)

Other YC batches

All YC companies Summer 2026 Spring 2026 Winter 2026 Fall 2025 Summer 2025 Spring 2025 Winter 2025 Fall 2024 Summer 2024 Winter 2024 Summer 2023 Winter 2023 Summer 2022 Winter 2022 Summer 2021 Winter 2021 Summer 2020 Winter 2020 Summer 2019 Winter 2019 Summer 2018 Winter 2018 Summer 2017 Winter 2017 Summer 2016 Winter 2016 Summer 2015 Winter 2015 Summer 2014 Winter 2014 Summer 2013 Winter 2013 Summer 2012 Winter 2012 Summer 2011 Winter 2011

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