Comparison

firebase-auth vs io.github.firebase/firebase-mcp

firebase-auth is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.

firebase-auth is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. io.github.firebase/firebase-mcp is an MCP server published by firebase. Marketplaces we read that list it: 3 (Official MCP Registry, Claude Code: claude-plugins-official, Community GitHub marketplaces). As of our marketplace pass on 2026-10-21. 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
Marketplace	firebase-auth	io.github.firebase/firebase-mcp
Community marketplace barnburner121/claude-plugin-marketplace	Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen 2026-10-14	Not listed
Official MCP Registry	Not listed	Listed Version: 0.3.0 Downloads/month (npm): 13 473 266 Downloads/week (npm): 2 048 898 Forks (GitHub): 1 269 Stars (GitHub): 4 476 Not marked · First seen 2026-10-11
Claude Code: claude-plugins-official	Not listed	Listed Version: not stated Forks (GitHub): 4 598 Stars (GitHub): 43 563 Not marked · First seen 2026-10-11

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

firebase-auth vs io.github.firebase/firebase-mcp
Fact	firebase-authno longer listed · 2026-10-18	io.github.firebase/firebase-mcp
Marketplaces that list it (differs)	0	3
Stars (GitHub) (differs)	3	43 563
Forks (GitHub) (differs)	0	4 598
Last release	Not published	Not published
Where it runs (differs)	On your machine (@barnburner121/plugin-hub-mcp)	On your machine (firebase-tools)
Transport (differs)	Not stated	stdio
Tools it declares	Not published	Not published
Environment variables it asks for (differs)	Not published	1, secrets among them: 0
Parts of the bundle (differs)	2	15
Licence	MIT	MIT
Repository (differs)	github.com/barnburner121/claude-plugin-marketplace	github.com/firebase/firebase-tools
Changes in the last 7 days	2	2
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 firebase-auth

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

firebase-development

Firebase project workflows including setup, features, debugging, and validation

by 2389-research · Plugin bundle

Listed on: Community GitHub marketplaces · Describes nearly the same job
auth0

Enterprise-grade auth, easy to implement. Add login, SSO, MFA, and access control to any app with framework-aware guidance.

by auth0 · Plugin bundle

Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Claude Code: claude-plugins-community, Community GitHub marketplaces · Describes nearly the same job
firebase-development

Firebase project workflows including setup, features, debugging, and validation

by 2389-research · Plugin bundle

Listed on: Claude Code: claude-plugins-community · Describes nearly the same job
clerk

Add authentication and user management with Clerk. Skills for setup, framework patterns, organizations, billing, webhooks, and testing, plus the Clerk MCP server.

by Clerk · Plugin bundle

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

WorkOS integration skills for AuthKit, SSO, Directory Sync, RBAC, Vault, Audit Logs, migrations, and API references.

by workos · Plugin bundle

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

Flutter backend integration agents (REST, GraphQL, Firebase, AWS)

by Flutter Claude Code Contributors · Plugin bundle

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

Its card, with similar plugins by marketplace

What each says it does

firebase-auth

In its own words, on Community GitHub marketplaces:

Generate Firebase Authentication integration

io.github.firebase/firebase-mcp

In its own words, on Official MCP Registry:

Gives AI development tools Firebase-specific capabilities and expertise.

How to run each

firebase-auth

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

io.github.firebase/firebase-mcp As a local MCP server: npm package

Claude Code

claude mcp add --transport stdio firebase-mcp -- npx -y mcp firebase-tools

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 firebase-auth publish no settings it asks for, so we do not compare settings.

What it can do: firebase-auth · What it can do: io.github.firebase/firebase-mcp · 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-official/blob/HEAD/.claude-plugin/marketplace.json. Figures come from our own regular passes over the marketplaces, last read on 2026-10-21. We publish no contact details for plugin publishers.