catalyst vs Noosphere
catalyst is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑15.
catalyst is a plugin bundle for AI coding tools published by Adrij Shikhar. No marketplace we read lists it any more. Noosphere is an MCP server published by JinNing6. Marketplaces we read that list it: 3 (Official MCP Registry, Claude Code: claude-plugins-community, Community GitHub marketplaces). As of our marketplace pass on 2026-10-22. 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 |  Noosphere | |
|---|---|---|
| Community marketplace adrijshikhar/catalyst | Removed on 2026-10-15 Version: 0.1.3 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.5.1 Downloads/month (PyPI): 334 Downloads/week (PyPI): 104 Forks (GitHub): 3 Stars (GitHub): 18 Not marked · First seen |
| Claude Code: claude-plugins-community | Not listed | Listed Version: 0.10.0 Forks (GitHub): 3 Stars (GitHub): 18 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 | catalystno longer listed · | Noosphere |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 3 |
| Stars (GitHub) (differs) | 0 | 18 |
| Forks (GitHub) (differs) | 0 | 3 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (noosphere-mcp) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for (differs) | Not published | 3, secrets among them: 1 |
| Hooks it runs (differs) | 2 | 1 |
| Parts of the bundle (differs) | 7 | 5 |
| Licence (differs) | MIT | Apache-2.0 |
| Repository (differs) | github.com/adrijshikhar/catalyst | github.com/jinning6/noosphere |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
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 catalyst
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Session-level orchestration for Claude Code - structures development work into 5 typed waves (Discovery → Core → Polish → Quality → Finalization) with parallel subagent execution…
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Autonomous overnight coding agent. Queue tasks in YAML, run them via Claude CLI while you sleep, and use self-healing audit-fix loops to hit any quality target. Includes skills…
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Engineering management layer for Claude Code --- structures your session like a real dev team where you're PM and Claude is EM. Provides session workflows, multi-persona code…
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Boost your development workflow with AI-powered agents for code review, debugging, and strategic planning.
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Never re-explain your project to Claude again. devpace remembers context across sessions, manages requirement changes, and ensures quality gates — all automatically. Zero setup…
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Comprendo gates AI implementation behind a visual developer approval step. When you type /comprendo <task>, Claude reads your codebase, builds a structured plan with before/after…
What each says it does
catalyst
Hand a coding session from one agent to another without losing the thread — typed handoff briefs in your repo, lifecycle hooks that write and resume them on Claude Code, Codex and Antigravity, and CI-graded evals.
Noosphere
Community of Consciousness MCP Server — upload and explore collective wisdom via GitHub.
How to run each
catalyst
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Noosphere As a local MCP server: PyPI package
claude mcp add --env "GITHUB_TOKEN=<YOUR_GITHUB_TOKEN>" --transport stdio noosphere -- uvx noosphere-mcpRequires: GITHUB_TOKEN (secret)
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
The marketplaces of catalyst publish no settings it asks for, so we do not compare settings.
What it can do: catalyst · What it can do: Noosphere · 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. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.