Products

buttercup.sh

Uses AISkill

Learn to build AI agents in a friendly browser workshop where you can write, run, inspect, and undo every step.

buttercup.sh SourceEducation / Coding Education

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Oct 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
Free
No monthly subscription pricing
Creators
Stephen Blum
@stephenlb· 4,489 followers
Launched
2mo ago
2026-09-03 · Est.

Traffic

Last 12 months
Monthly visitsData through Oct 2026
Events2 marketing moves

Marketing moves

Launches, search & content, referrals, promotions
X accounts@stephenlb

  • Launched on Show HN (1 pts · 2 comments)Launch

    Building AI agents client-side JavaScript — Hey HN, most agent systems default to server-side Python inside containers and chain frameworks. I wanted to see how far we could push age…

    Sep 3 · 2mo agoLaunch page

    At the time: <5K visits/mo1 concurrent move

  • Launched on Product HuntLaunch

    Em dashes welcome — learn how to build AI agents

    Sep 3 · 2mo agoLaunch page

    At the time: <5K visits/mo1 concurrent move

Third-party reviews & case dossiers

Acquisition breakdowns, engineer reviews & open-source metrics
Show HN
2026-09-03Source
Post excerpt:
Hey HN, most agent systems default to server-side Python inside containers and chain frameworks. I wanted to see how far we could push agent in the browser with vanilla JavaScript https://buttercup.sh The reason this is interesting is because agent loops in the browser keeps infrastructure costs low. No need for proxy or API calls. And ollama/vLLM can be use

Open Source & Agent Ecosystem

GitHub · MCP / Skill
stephenlb/buttercup.sh
Last commit 2026-10-05
GitHub Stars
Public repo
Forks
—
License
See repository
Primary language
—
Browse peer open-source projects →

Agent, MCP & Developer Integration

Agent Skill
Integration docs
Ecosystem & integrations:
Blocks.ai
Exposed tool capabilities:
LLM Engineering EducationBuild AI agentsBuild a one-file demo
Browse developer & CLI tools →

Traffic sources

Oct 2026

Traffic breakdown

Channels

No data yet

Countries

No data yet

Search

Domain authority —Domain registered 2026-08-28

KeywordMonthly volume
buttercup sh250

Traffic data: Vaneform

Pricing

Website does not list public plan prices.

Trial: None · Observed 2026-11-06 · Source page

Pages & changes

Tracked since 2026-09-03

Key pages

Weekly snapshots

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much website traffic does buttercup.sh get?
Vaneform estimates <5K website visits in 2026-10. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is buttercup.sh and what platforms does it support?
buttercup.sh is catalogued under Coding Education: Learn to build AI agents in a friendly browser workshop where you can write, run, inspect, and undo every step.. Supported platforms: Web.
Is buttercup.sh open source?
buttercup.sh has a public repository (https://github.com/stephenlb/buttercup.sh) with its source repository published.Source

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Education / Coding Education

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