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core-skills vs io.github.constellation-works/orbit

core-skills is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑19.

core-skills is a plugin bundle for AI coding tools published by Dean Dumitru. No marketplace we read lists it any more. io.github.constellation-works/orbit is an MCP server published by constellation-works. Marketplaces we read that list it: 2 (Official MCP Registry, Community GitHub marketplaces). As of our marketplace pass on 2026-10-19. 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

Where each is published
Marketplacecore-skillsio.github.constellation-works/orbit
Community marketplace deandum/claude-resources Removed on 2026-10-19
Version: 3.0.0
Forks (GitHub): 1
Stars (GitHub): 4
Not marked · First seen
Not listed
Official MCP Registry Not listed Listed
Version: 0.19.0
Downloads/month (npm): 2 760
Downloads/week (npm): 909
Forks (GitHub): 3
Stars (GitHub): 14
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

core-skills vs io.github.constellation-works/orbit
Factcore-skillsno longer listed · io.github.constellation-works/orbit
Marketplaces that list it (differs)02
Stars (GitHub) (differs)414
Forks (GitHub) (differs)13
Last release (differs)Not published2026-10-18
Where it runs (differs)Installs as a plugin bundleOn your machine (@orbit-tools/cli)
Transport (differs)Not statedstdio
Tools it declaresNot publishedNot published
Environment variables it asks forNot publishedNot published
Hooks it runs (differs)21
Parts of the bundle (differs)435
LicenceMITMIT
Repository (differs)github.com/deandum/claude-resourcesgithub.com/constellation-works/orbit
Changes in the last 7 days (differs)43
First seen (differs)2026-10-152026-10-11

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 core-skills

Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.

  • skillengine

    Production-grade engineering skills covering every phase of software development: spec, plan, build, verify, review, and ship.

    by Borhen Saidi · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • agent-skills

    Production-grade engineering skills covering every phase of software development: spec, plan, build, verify, review, and ship.

    by Addy Osmani · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • engineering-advanced-skills

    37 advanced engineering skills: agent designer, agent workflow designer, RAG architect, database designer + schema designer + SQL assistant, migration architect, observability…

    by Alireza Rezvani · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • Builder Skills

    Public Builder skills for docs-first discipline, autonomous execution, cross-agent review, local-first Rewind memory, efficient agent workflows, clear status recaps, Agent-Native…

    by Builder.io · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • agent-skills

    60 Agent Skills spanning the agent lifecycle, building, diagnosis, SRE, security, review, QA, data, delivery, docs, and research.

    by Arjun Prabhulal · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • cto-toolkit

    Complete CTO & Staff Engineer toolkit: 24 skills covering code review, architecture, DevOps, security, testing, and engineering management

    by camilooscargbaptista · Plugin bundle

    Listed on: Claude Code: claude-plugins-community, Community GitHub marketplaces · Describes nearly the same job

Its card, with similar plugins by marketplace

What each says it does

core-skills

In its own words, on Community GitHub marketplaces:

Language-agnostic process skills covering spec-driven orchestration, error handling, testing strategy, code review, API design, concurrency, observability, Docker, project structure, and code style

io.github.constellation-works/orbit

In its own words, on Official MCP Registry:

Orbit's local-first task and workflow registry for coding agents.

How to run each

core-skills

No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.

io.github.constellation-works/orbit As a local MCP server: npm package

Claude Code
claude mcp add --transport stdio orbit -- npx -y @orbit-tools/cli mcp serve

Commands built only from what the marketplaces declare; the full set for every client is on each card.

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: core-skills · What it can do: io.github.constellation-works/orbit · 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.

Where the data comes from: how the catalog is built