Agent Skill Engineering vs SuperSkill Registry
Agent Skill Engineering is no longer listed on any marketplace we read: these are its last known data, as of 2026‑11‑05.
Agent Skill Engineering is a plugin bundle for AI coding tools published by eugenelim. No marketplace we read lists it any more. SuperSkill Registry is an MCP server published by onlyharness.com. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-11-07. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  SuperSkill Registry | |
|---|---|---|
| Community marketplace eugenelim/agent-ready-repo | Removed on 2026-11-05 Version: 0.4.3 Forks (GitHub): 7 Stars (GitHub): 28 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.3.1 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | Agent Skill Engineeringno longer listed · | SuperSkill Registry |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) (differs) | 28 | 0 |
| Forks (GitHub) (differs) | 7 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | Remote server (superskill.sh/mcp) |
| Transport (differs) | Not stated | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Hooks it runs (differs) | 1 | Not published |
| Parts of the bundle (differs) | 4 | Not a bundle |
| Licence (differs) | Apache-2.0 OR MIT | Not stated |
| Repository (differs) | github.com/eugenelim/agent-ready-repo | github.com/elvismusli/onlyharness |
| Changes in the last 7 days (differs) | 2 | 0 |
| First seen (differs) | 2026-10-18 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Responded 3 h ago |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of Agent Skill Engineering
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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skill-authoring
Create and refine high-signal agent skills
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'Guides creation of high-quality Agent Skills with domain expertise, anti-pattern detection, and progressive disclosure best practices. Activate on keywords: create skill, review…
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A thin SkillSpec guide that lets agents inspect, import, route, run, and prove SkillSpec-backed skills from chat.
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agent-skills
Use this skill when creating, reviewing, or editing Agent Skills-format skills, or when implementing skill discovery and loading in an agent client. It covers directory structure…
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Create, evaluate, and iterate on high-quality agent skills with structured guidance, quality scoring, and best-practice enforcement.
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Create new skills, improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to…
What each says it does
Agent Skill Engineering
Frame, create, update, review, and optimize portable agent skills with governed reference knowledge.
SuperSkill Registry
Find, inspect and install reviewed reusable AI-agent capabilities from superskill.sh.
How to run each
Agent Skill Engineering
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
SuperSkill Registry As a remote MCP server
claude mcp add --transport http registry https://superskill.sh/mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Only SuperSkill Registry has a remote endpoint we check. How we check endpoints
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: Agent Skill Engineering · What it can do: SuperSkill Registry · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.