How to Sell a SKILL.md on Agensi & Earn Real Money

> **TL;DR:** You can package a narrow, repeatable Claude Code workflow as a SKILL.md file and sell it on Agensi, a curated marketplace that takes a 30% fee and pays creators via Stripe Connect, with most skills priced $5–$25. Top-earning specialized skills bring in roughly $500–$3,000/month, but the median listed skill earns under $50/month, so success depends on picking a narrow, genuinely painful problem and expecting first real sales around month 2–3.

Key Takeaways

- Vercel's Jan 20, 2026 launch made SKILL.md a portable format installable via `npx skills add` into 20+ agents (Claude Code, Cursor, Codex, Copilot, Windsurf, Gemini CLI) - skills.sh is free distribution (87,000+ skills, 91,000+ installs); Agensi is the paid marketplace layer (30% fee, $5–$25 pricing, Stripe Connect payouts, 8-point security scan) - Top narrow skills earn ~$500–$3,000/month, but the median listing earns under $50/month — revenue concentrates in the top 10% - Realistic pacing: build day 1, submit days 2–3, ~zero sales weeks 1–2, first sales month 2–3, steady income month 6+ - Narrow beats broad: a tightly scoped, single-workflow skill is harder to copy and easier to sell than a generic prompt pack

What actually changed in January 2026

On January 20, 2026, Vercel launched [an open "skills" CLI and the skills.sh directory](https://vercel.com/changelog/introducing-skills-the-open-agent-skills-ecosystem), turning a single Markdown file — a `SKILL.md` — into a portable, installable unit of AI-agent behavior. Run `npx skills add owner/repo` and that skill drops straight into more than 20 coding agents, including Claude Code, Cursor, Codex, GitHub Copilot, Windsurf, and Gemini CLI. The [source is fully open](https://github.com/vercel-labs/skills), so anyone can browse, fork, or publish to it.

Adoption was immediate. Within a few months, skills.sh had indexed [more than 87,000 unique skill packages and logged over 91,000 installs](https://tekai.dev/references/2026-04-05-skills-sh), with companies like Stripe shipping official skills within hours of launch. That volume is the whole opportunity in one sentence: SKILL.md stopped being a hobbyist format and became the default packaging standard for "give an agent one specific, repeatable capability."

skills.sh is free and open — a directory, not a storefront. If you want to actually charge money for a skill you built, the venue that's emerged for that is [Agensi](https://www.agensi.io/learn/how-to-sell-skills-on-agensi), a curated, paid marketplace built specifically around SKILL.md files, with Stripe Connect payouts and a security review on every listing.

Why a narrow skill beats a generic prompt pack

The instinct when you first hear "sell your AI expertise" is to bundle up a big library of prompts and call it a product. That instinct is wrong for this format, and the mechanics explain why.

A SKILL.md file isn't a prompt — it's an instruction set an agent loads into context only when it's relevant, then executes against real tools (file edits, shell commands, API calls) inside Claude Code or whichever agent installed it. A buyer isn't paying for inspiration; they're paying to skip the hours it took you to get one specific workflow reliable: a framework-specific test generator, an opinionated code-review pass for a particular stack, a one-command deployment pipeline for a single hosting target. [Agensi's own guidance to creators](https://www.agensi.io/learn/how-to-monetize-skill-md-skills-developer-guide-2026) is explicit that the individual skills earning real money are the specialized, narrow ones — not broad "do everything" packs.

This is also why a prompt pack is a worse business model even before you factor in monetization. Prompt packs compete on volume and get commoditized fast. A tightly scoped SKILL.md competes on "does this exact painful thing correctly," which is much harder to copy and much easier to describe in one sentence to a buyer who has that exact pain.

Where to actually sell it: skills.sh vs. Agensi

Treat the two platforms as different jobs. skills.sh is distribution — it's free, it's where 87,000+ skills already live, and it's how developers discover and try things via `npx skills add`. It's not built for payment.

Agensi is where the money moves. Per [Agensi's creator guide](https://www.agensi.io/learn/how-to-monetize-skill-md-skills-developer-guide-2026), the terms are straightforward:

- **Platform fee:** 30% to Agensi, 70% to the creator. - **Pricing:** most listings are one-time purchases in the $5–$25 range, with subscription pricing starting to appear for skills that need ongoing updates. - **Payouts:** handled through Stripe Connect. - **Quality gate:** every listing passes an 8-point security scan before it goes live, which matters because these packages can execute commands and touch files.

A practical pattern many creators use: publish the same skill to skills.sh for free to build reputation and installs, then list a more polished, supported version on Agensi as the paid tier. skills.sh distribution is how a buyer finds you organically; Agensi is where they hand over a card.

What the top earners actually look like — and what most listings actually earn

Don't skip this section to go build something. The honest numbers from [Agensi's own data](https://www.agensi.io/learn/how-to-monetize-skill-md-skills-developer-guide-2026) matter more than the headline.

Top-earning individual skills — the specialized, narrow ones — generate roughly **$500 to $3,000 a month** in recurring sales. That's real, and it's the number that gets shared around. But the **median listed skill earns under $50 a month**, and revenue concentrates hard in the top 10% of listings. This is a normal marketplace power law, not a scam, but it means the honest framing is: most people who list a skill will earn beer money, and the people earning meaningful income built something narrow, well-documented, and genuinely hard to reproduce in five minutes.

The gap between a $50/month skill and a $3,000/month skill isn't luck — it's execution quality, and there's now a data point outside the skills market that confirms this dynamic holds at the model level too. In April 2026, Anthropic ran an internal proof of concept called ["Project Deal"](https://www.anthropic.com/features/project-deal), where Claude agents negotiated real purchases on behalf of employees. Agents running Opus 4.5 versus Haiku 4.5 closed 186 real deals worth roughly $4,000 combined across 69 employees — and the smarter model earned sellers $2.68 more per item and closed about two more deals than the weaker one. Better execution produced a measurable dollar delta even in a controlled internal test. Apply the same logic to your skill: the difference between "works most of the time" and "works reliably, with clear docs and edge cases handled" is the difference between the median outcome and the top-10% outcome.

The realistic timeline — set expectations before you start

Agensi's own monetization timeline, drawn from real listings, is a useful gut-check against overnight-riches thinking:

- **Day 1:** convert your workflow into a `SKILL.md` file and write the listing description. - **Days 2–3:** submit to skills.sh and/or Agensi. - **Week 1–2:** live, with roughly zero sales. This is normal, not a sign of failure. - **Month 2–3:** first sales start to appear — but only if the listing is SEO-findable and solves a problem real enough that people are actively searching for a fix. - **Month 6+:** steady income, for the listings that made it this far.

That means this isn't a side hustle you spin up this weekend and cash out on next week. It's closer to publishing a small piece of software with a slow, compounding discovery curve — more like seeding a niche open-source library than dropping a digital product on a launch day.

How to package your first sellable skill

1. **Mine your own repeated pain, not a hypothetical one.** The best candidate is a Claude Code workflow you've personally rebuilt from scratch more than once — a specific test scaffold, a deployment routine for one hosting target, a review checklist for one framework's conventions. 2. **Write the SKILL.md narrow, not broad.** Resist the urge to generalize it to "works for any stack." Specificity is what makes it valuable and what makes it easy to describe in a one-line pitch. 3. **Test it across agents before listing it.** Because skills.sh distributes to 20+ agents beyond Claude Code, verify your skill behaves correctly wherever a buyer might install it. 4. **List on skills.sh first for free distribution and proof of demand,** then submit the supported, documented version to Agensi to actually charge for it. 5. **Price at $5–$25 to start,** and treat the first two months as a discovery-and-iteration period, not a verdict on the idea. Revisit pricing once you have real install and conversion data. 6. **Keep it maintained.** Skills that stay accurate as the underlying tools change are the ones that make it to the month-6-plus steady-income stage instead of going stale after one AI agent update.

Selling a SKILL.md isn't a get-rich-quick play, and the data says most listings won't make real money. But it's one of the few AI monetization paths right now where the underlying distribution infrastructure — the CLI, the directory, the marketplace, the payout rails — already exists and is genuinely open, so the only missing piece is picking a painful, narrow, well-solved problem and packaging it correctly. For more paths like this one, browse the full [Ways to Earn with AI](https://speka.info/earn-with-ai/) collection.

Frequently Asked Questions

What is a SKILL.md file?

It's a Markdown file that packages a specific, repeatable AI-agent workflow so it can be installed into agents like Claude Code, Cursor, or Copilot via a single command (`npx skills add owner/repo`), rather than a one-off prompt.

Where can I sell a SKILL.md skill for money?

skills.sh is a free, open directory for distribution and discovery, but it isn't built for payment. Agensi is the curated marketplace built specifically to sell SKILL.md files, taking a 30% platform fee and paying creators via Stripe Connect.

How much can you actually earn selling a skill?

Top-earning specialized skills bring in roughly $500–$3,000 a month, but the median listed skill earns under $50 a month — most of the revenue concentrates in the top 10% of listings, so results vary widely by niche and execution.

How long does it take to make a first sale?

Based on Agensi's own monetization timeline, expect close to zero sales in the first one to two weeks after listing, with first real sales typically appearing around month two or three if the listing is SEO-findable and solves a genuine problem.

Should I sell a broad prompt pack or a narrow skill?

A narrow, specialized skill focused on one repeatable workflow performs better than a broad prompt pack — it's harder for buyers to replicate themselves and easier to pitch as solving one specific, painful problem.

Sources & Attribution

- https://vercel.com/changelog/introducing-skills-the-open-agent-skills-ecosystem - https://github.com/vercel-labs/skills - https://tekai.dev/references/2026-04-05-skills-sh - https://www.agensi.io/learn/how-to-monetize-skill-md-skills-developer-guide-2026 - https://www.agensi.io/learn/how-to-sell-skills-on-agensi - https://www.anthropic.com/features/project-deal - https://vercel.com/changelog/introducing-skills-the-open-agent-skills-ecosystem - https://github.com/vercel-labs/skills - https://tekai.dev/references/2026-04-05-skills-sh - https://www.agensi.io/learn/how-to-monetize-skill-md-skills-developer-guide-2026 - https://www.agensi.io/learn/how-to-sell-skills-on-agensi - https://www.anthropic.com/features/project-deal