A catalog of ChatGPT & Codex plugins, sorted by people.
Hypercore alternatives
Hypercore by alpoxdev: Korean-first agent skills for planning, architecture, design, docs, research, issues, and Git delivery, each with declared triggers, workflows, and validation gates. Here are 8 plugins in our catalog that describe a similar job, with the numbers you'd check before switching.
Why you might look elsewhere
- Want active development? SolidWorks GPT Plugin, SEO Dungeon, Research Agent Skills got a push in the last two weeks.
- Want the most-watched option? Research Agent Skills has 136 stars to Hypercore's 12.
- On a different tool? SolidWorks GPT Plugin mentions Codex.
8 alternatives, side by side
| Plugin | Stars | License | Last push | Packaged as |
|---|---|---|---|---|
| Teaching Skills Supports university teaching through 15 workflows for course design, lesson planning, assessment, student mentoring, and teaching reflection. | ★ 8 | MIT | 2026-10-03 | skills |
| SolidWorks GPT Plugin Knowledge-backed SolidWorks design and validation workflows for Codex with standards lookup, CAD evidence gates, and consent-based session learning. | ★ 14 | MIT | 2026-11-14 | plugin |
| Factory Open-source, objective-driven engineering plugin for GitHub repos: runs Claude Code or Codex workers on issues, with validation passes, review and a project-board status line. | ★ 1 | MIT | 2026-11-15 | plugin |
| SEO Dungeon Gamified local SEO audits that turn website issues into 16-bit dungeon battles for Codex, Claude, and Gemini CLI workflows. | ★ 4 | MIT | 2026-11-14 | plugin |
| Remotion Plugin Build parameterized Remotion videos in Codex with the official Remotion docs MCP, composition scaffolding, and a data-driven launch-video workflow. | ★ 4 | Apache-2.0 | 2026-04-03 | MCP server |
| Unity Agent Workflows Codex plugin and skill for Unity 2D agents that enforces "No proof, no edit" workflows with runtime-owner proof, Teach structure maps, and validation gates. | ★ 1 | MIT | 2026-10-02 | skills |
| Research Agent Skills 280+ Agent Skills that turn Codex, Claude Code, Cursor and other agents into a research co-scientist across the academic research lifecycle: literature and PRISMA reviews, hypotheses, experimental design, data analysis in biology, chemistry, medicine, physics and ML, paper writing, citation verification and peer review. | ★ 136 | No license file | 2026-11-14 | skills |
| Agent Harness Skills Designs agent-ready repository harnesses with entrypoints, validation surfaces, runtime evidence, delivery records, and atomic commit guidance. | ★ 12 | MIT | 2026-11-05 | skills |
Picked by overlap between each project's own description and Hypercore's, same category first. Ordered by that overlap, not by stars or payment.
Head-to-head
More: Agent Workflows plugins · best Agent Workflows plugins, ranked · all comparisons
Data from GitHub and each project's README, checked 2026-11-15. We haven't installed or audited these, and stars measure attention, not quality. Paid placements never change this page. Spot a mistake? hello@pickaplugin.com
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