Nicheloom

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Showboat and Rodney, so agents can demo what they've built

Details

External ID
46963887
Source
HN
Company
—
Product
Showboat and Rodney, so agents can demo what they've built
Website domain
simonwillison.net
Launched
Feb. 10, 2026
Cohort
—
Upvotes
91
Upvotes percentile
0.8827493261455526
Tags
—
Fetched at
Sept. 7, 2026, 9:25 p.m.
Updated at
Sept. 7, 2026, 9:25 p.m.

Enrichment

Theme
ai agent infrastructure and tooling
Vertical
Horizontal
Function
Agent / copilot
Audience
Developer
AI stance
AI-native
Project type
Commercial product
Normalized one-liner
demo platform for agent-built projects
Manually corrected
False

Could you build this?

Yes These are straightforward CLI utilities written in Go and Python to execute shell commands, format markdown output, and automate headless browser snapshots via Playwright or Chrome DevTools Protocol.

Discussion

20 comments analyzed.

Competitors mentioned: marimo notebooks, Playwright, Selenium, reStructuredText, AsciiDoc

Concerns raised: Quality of free LLM models inadequate for coding tasks, AI struggles to understand test failures vs timeouts in e2e tests, Markdown lacks features needed for documentation compared to richer formats, Multiple incompatible Markdown forks reduce compatibility

Feature requests: Make blog responsive for wider screens, Array-like interface in addition to stack-like for accessing markdown blocks, Increase max content width for comfortable reading on large displays

Competitors

Other products that read as similar to this one — 56 launches clear the similarity bar, closest 8 shown.

Attention rank: #3 of 57 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 79 days after the earliest competitor.

Other launches for this product

Same idea, different domain

Nobody's really built a agent / copilot tool for Agriculture yet.