New startup ideas · AI for people who run the AI themselves · Skills, not services
startup concept
Vendfold
Licensing, signing and auto-update infrastructure for people who sell Agent Skills
An API and dashboard that lets a skill author sell direct from their own site: signed versioned packages, license keys checked at load time, staged rollouts and an update channel that pushes fixes into every buyer's assistant.
- Infrastructure and APIs
- Small business
- Rides 'Agent Skills
12
similar startups, last 2 years (28 all-time)
yes
8 matching federal grants and programs
Direction supported by government programs and grants
Test it before you build it
$400 · 4 weeks · 20 prospects
For $400 and 4 weeks, prove that authors already selling agent skills as raw zips will prepay $200 and hand over 3% of each sale for license keys and signed auto-update.
Riskiest assumption · Enough authors are already earning real money selling skills that at least 5 of the first 12 approached will pay $200 up front and surrender 3% of sales to stop piracy and stale versions, rather than the whole paid-skill habit staying a rounding error.
1Focus group: who and where
A solo US skill author or indie dev already selling paid Claude or agent skill packs as zip downloads through Gumroad or a Stripe link, making $200 to $2,000 a month, who handles every update by re-emailing files and has no way to cut off a refunded buyer.
where to find 20 · Gumroad's discover search for 'Claude skills' and 'agent skills' (directory of live paid listings), GitHub topic pages for claude-skills where READMEs link to a paid download (list), r/ClaudeAI and r/ClaudeCode threads where authors post their paid packs (community), and X keyword search for authors announcing skill launches (channel).
2Sell first, build later
Founding cohort of 5 authors: we wrap one skill you already sell with signed packages, load-time license checks and an auto-update channel, live on your current Gumroad or Stripe storefront within 14 days of your deposit, no migration.
the ask · $200 setup deposit per author plus 3% of each subsequent sale, the 3% rate locked for 12 months
a real yes · A real yes is a paid $200 deposit or the first 3% remittance clearing; 'I would totally use this when it ships', free beta requests and repo stars do not count.
3Small experiments
The first one attacks the riskiest assumption; each ends with a number that says whether to run the next.
1. Seller census and pain audit
$50 · 7 days
Hand-search Gumroad, GitHub and Reddit for every US author with a live paid skill listing and log them in a sheet with price and apparent volume. DM 20 of them referencing their specific pack and book 12 short calls. On each call count two things: monthly skill revenue and whether they have eaten a piracy, refund or stale-version support incident in the last 60 days.
keep going if · At least 10 active paid sellers found, and 6 of 12 calls surface a concrete piracy or stale-version incident from the last 60 days
2. Prepaid founding wrap offer
$250 · 10 days
At the end of each call pitch the founding cohort: we wrap one of your skills with signed versioned packages, license keys checked at load, and an auto-update channel, live on your existing storefront in 14 days, for a $200 setup deposit plus 3% of sales, rate locked 12 months. Send a checkout link the same hour. Founder runs every pitch personally.
keep going if · 5 of 12 pitched authors pay the $200 deposit within 7 days of the call
3. End-buyer licensed edition test
$100 · 10 days
With the first author who pays, list a 'licensed edition' of their existing skill on their own page at $5 above the zip price, promising license-keyed installs and pushed updates, fulfilled manually by the founders behind the scenes. Track which edition the author's next 20 buyers choose.
keep going if · At least 6 of the next 20 sales choose the licensed edition over the plain zip
4Collect a deposit up front
Tesla took $1,000 refundable reservations for the Model 3 and $100 for the Cybertruck before building either: the deposit is the measurement, not the revenue.
$200
per prospect, refundable
how · A $200 setup deposit taken through a hosted checkout link sent right after the call; this buyer already runs their whole business through Gumroad and Stripe checkouts, so an online payment link is the native rail and anything heavier (invoices, LOIs) would read as friction. The author clicks pay, no signature needed. set up: Stripe Payment Links ↗
what it reserves · One of 5 founding cohort slots, integration of one skill within 14 days, and the 3% take rate locked for 12 months
refund · Refunded in full, automatically, if the wrapped skill is not live on the author's storefront within 21 days of payment.
target · 5 deposits from 12 pitched authors within 21 days
before taking money · Do not hold or route authors' sales money through your own accounts before setting up a registered payment facilitator arrangement such as Stripe Connect; until then, bill the 3% as a separate fee against the author's own processor payouts.
Go: build it if
5 of 12 pitched authors pay $200, the committed authors' combined trailing skill revenue exceeds $3,000 a month, and at least 6 of 20 end buyers pick the licensed edition.
Kill: stop if
Fewer than 10 active paid US sellers exist at all, or fewer than 2 of 12 pitched authors pay the deposit; either number means the paid-skill economy is still too small to carry a commerce layer.
5 Scripts to run itoutreach message, landing copy, deposit terms · click to open
outreach message
I bought your skill pack off Gumroad last week and noticed updates still arrive as re-emailed zips, which means past refunders keep the files and current buyers run stale versions. I'm building the licensing layer for exactly this: signed packages, license keys checked at load, updates pushed to every buyer, on your existing storefront. I'm taking 5 founding authors at $200 setup plus 3% of sales, locked for a year. Do you have 20 minutes this week to see if your pack fits?
landing page
Sell your skills with license keys and signed auto-updates $200 setup plus 3% of each sale, live on your own storefront in 14 days, rate locked 12 months Reserve one of 5 founding author slots
deposit terms
Your $200 deposit reserves one of 5 founding author slots and covers wrapping one skill you already sell with license keys, signed packages and auto-update, live on your storefront within 14 days. The 3% per-sale rate is locked for 12 months. If your skill is not live within 21 days, the deposit is refunded in full automatically.
Would you run this test?
One tap. The yes-share feeds the Demand pillar of this idea's score; nobody sees who answered.
Budgets are out-of-pocket estimates for a team of one to three, US market. Size the deposit to the deal, and check the terms before taking money in a regulated line.
Scorecard
Ranked against every idea in the catalog: trend, demand and 100x potential from the corpus, competition relative to the other ideas. A generated concept has no judges or swipes yet, so its pillars use the data signals only.
49
Idea Score, 0-100 · raw 30.4 x 1.61
Crowded
competition: more crowded than 83% of ideas · headwind x0.59
+4.3
government priorities, secondary (57 matching grants)
Trend
61
Is the wave forming now? 2025-26 entrants vs 2023-24, rounds since 2025, the sector's live-batch direction, the 2026 trend analyst.
- Entrants 2025-26 vs 2023-24 (similar companies)96
- Rounds announced 2025+ in the sector0
- Rounds announced 2025+ matching the idea99
- Sector direction (live batch)50
Demand
65
Does anyone want it? YC's current RFS, companies already paid for something similar, the operator judge, founders' yes-rate in decks, readers who would run the test.
- YC asks for it (current RFS: idea / sector)30
- Someone already pays (similar companies, recent / all-time)100
100x potential
22
Can it return a fund? The venture judge (double weight), market-size and moat axes, neighbours still alive, the technologist judge.
- Neighbours still alive22
Score = 100 x cbrt(Trend x Demand x 100x) x (1 - 0.5 x crowding) + government bonus (max 5), calibrated so the 95th-percentile idea scores 90 (order never changes). A geometric mean: a weak pillar cannot be papered over. Percentiles are among the 382 ideas in the catalog; the terms matched were licensing, signing, auto-update, infrastructure, sell, skills, dashboard, skill.
The concept in full
- What
- An API and dashboard that lets a skill author sell direct from their own site: signed versioned packages, license keys checked at load time, staged rollouts and an update channel that pushes fixes into every buyer's assistant. It is the plumbing of the SKILL.md economy, not a marketplace; authors keep their own storefront and buyer list. In the first hour an author uploads a skill folder, mints license keys, and drops a paid install link into their newsletter.
- Grounded in (2025-2026 signals)
- 'Skills are something a user can build, install, share and sell' (Agent Skills, open standard December 18, 2025; about 40 supporting products by June 2026). YC Fall 2026 RFS 'A Cloud for Small Software'. Menlo Ventures (June 26, 2025): only 3% of Americans pay for AI, so sellers must reach the payers directly.
- What it rides
- Rides 'Agent Skills: launched October 16, 2025, an open standard since December 18': the standard defines the artifact but nothing about paying for it, licensing it, or updating it after purchase, which is exactly the gap between sharing skills and selling them.
- Why now
- Eight months after the December 18, 2025 open standard there is distribution for skills but no commerce layer: no license enforcement, no signed updates, no refunds; YC's Fall 2026 'A Cloud for Small Software' request names exactly this class of infrastructure.
- Wedge: first customer and entry point
- First customers: the handful of skill authors already selling zip files over Stripe and Gumroad links. Entry point: a usage-priced API (2 to 5% of each sale) that adds license checks and auto-update to what they already sell, no platform migration.
- Closest real companies, as the generator saw them
- none tracked
- Main risk
- The commerce layer only matters if paid skills become a real habit among the 3% who pay, and that market may stay too small too long.
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Public money in this direction
US federal grants and open opportunities matched to the concept's terms.
NIH / NIA · SBIR phase II · $964K
National Science Foundation · SBIR Phase II · $1M
NIH / NHLBI · SBIR phase I · $290K
National Science Foundation · I-Corps · $50K
National Science Foundation · I-Corps · $50K
NIH / NIMHD · STTR phase I · $349K
NIH / NIMH · SBIR phase I · $417K
National Science Foundation · SBIR Phase II · $1M
Other concepts in this collection
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- LedgerkitVersioned skill packs that make a solo CPA's assistant work like a tax practice
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- WardkeySecurity scanner that finds and fixes exposed keys in vibe-coded apps
- StillupUptime and error monitoring that answers in fix prompts, not stack traces
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- ScrubdeckA data-cleaning step any workflow can call, with rules the owner keeps
- OpshandTurns your written SOPs into versioned Agent Skills with tests included
- CrewtraceShared visibility when five people at one business each run their own automations
- VeraciteCitation verification and AI work records for solo attorneys who draft with Claude
- TickstoneTurns a solo CPA's AI sessions into reviewable workpapers with tickmarks and source trails
- ChartproofA verification layer for physicians who use AI on clinical notes under their own license
- CoverlensPolicy-form verification for independent insurance agents who quote with AI
- MethodkitSolo consultants package their methodology as versioned Agent Skills they own and resell
- AttestrailTamper-evident logs of every AI action, built for licensed professionals' liability files
- ScrublineLocal redaction proxy that makes your personal AI accounts safe for work data
- StipendlyTurn personal Claude Max and ChatGPT Pro seats into managed employer stipends
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- SeatcaseMeasures who on your team earns a Max seat and who wastes one
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- SkillbenchRegression testing for Agent Skills before every model and skill update
- CitelockVerifies every citation in AI-drafted work before a licensed professional signs it
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Fictional concept generated 2026-08-26 by claude-fable-5 from the collection's brief and MarkosWeb data. Treat it as a research prompt, not a plan.