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Top AI agent skills dominated by just three authors, analysis finds

A review of over 600 agent skills on Skill123 revealed that three authors—calesthio, JimLiu, and Jeffallan—account for 29 of the top 50 skills. These top authors distinguish themselves by creating coherent systems of skills rather than isolated files, maintaining a high baseline quality across their entire portfolios, and focusing on precise trigger conditions that ensure their skills are selected appropriately. Their success suggests that a deep understanding of a domain and a disciplined approach to skill design, particularly in trigger specificity, are key to developing high-quality agent skills. AI

IMPACT Highlights key factors for developing high-quality AI agent skills, suggesting a focus on systematic design and precise triggers.

RANK_REASON Analysis of agent skill quality and author performance on a platform.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Top AI agent skills dominated by just three authors, analysis finds

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Commentary
Analysis of agent skill quality and author performance on a platform.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, opinion
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
2 days old
Coverage has settled into its steady-state source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · SKILL123.me ·

    3 Authors Own 29 of Our Top 50 Agent Skills. Here's What They Do Differently.

    <p><em>We evaluate agent skills for a living — 600+ scored on six dimensions at <a href="https://skill123.me" rel="noopener noreferrer">Skill123</a>. Sort by score and the author column collapses: eleven skills from one name, ten from another, eight from a third. Three people hol…