mern-ninja vs io.github.mongodb-js/mongodb-mcp-server
mern-ninja is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
mern-ninja is a plugin bundle for AI coding tools published by 9tykeshav. No marketplace we read lists it any more. io.github.mongodb-js/mongodb-mcp-server is an MCP server published by mongodb-js. Marketplaces we read that list it: 5 (Official MCP Registry, Claude Code: claude-plugins-official, Docker MCP Catalog, Claude Code: claude-plugins-community, Community GitHub marketplaces). As of our marketplace pass on 2026-10-26. 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 |  io.github.mongodb-js/mongodb-mcp-server | |
|---|---|---|
| Community marketplace 9tykeshav/mern-ninja-marketplace | Removed on 2026-10-18 Version: 1.1.0 Forks (GitHub): 0 Stars (GitHub): 8 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 2.1.0 Downloads/month (npm): 476 836 Downloads/week (npm): 84 315 Forks (GitHub): 299 Stars (GitHub): 1 151 Not marked · First seen |
| Claude Code: claude-plugins-official | Not listed | Listed Version: 1.2.1 Forks (GitHub): 42 Stars (GitHub): 190 Not marked · First seen |
| Docker MCP Catalog | Not listed | Listed Version: sha256:6ab64d0ba27f Forks (GitHub): 299 Pulls (Docker Hub): 156 959 Stars (Docker Hub): 11 Stars (GitHub): 1 151 Not marked · First seen |
| Claude Code: claude-plugins-community | Not listed | Listed Version: 1.2.0 Forks (GitHub): 42 Stars (GitHub): 190 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 | mern-ninjano longer listed · | io.github.mongodb-js/mongodb-mcp-server |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 5 |
| Stars (GitHub) (differs) | 8 | 1 151 |
| Pulls (Docker Hub) (differs) | No figure on Docker Hub | 156 959 |
| Forks (GitHub) (differs) | 0 | 299 |
| Last release (differs) | Not published | 2026-10-16 |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (mongodb-mcp-server) |
| Transport (differs) | Not stated | stdio |
| Tools it declares (differs) | Not published | 25 |
| Environment variables it asks for (differs) | Not published | 42, secrets among them: 4 |
| Parts of the bundle (differs) | 4 | 9 |
| Licence (differs) | MIT | Apache-2.0 |
| Repository (differs) | github.com/9tykeshav/mern-ninja-cc | github.com/mongodb-js/mongodb-mcp-server |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-15 | 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 mern-ninja
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Use this agent when designing APIs, building server-side logic, implementing databases, or architecting scalable backend systems. This agent specializes in creating robust…
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35 MCP tools give AI agents live Rails schema, routes, models, and conventions.
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Comprehensive backend development toolkit combining API design, database architecture, security, and scalability. Includes backend lead agent for holistic backend decisions.
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backend-skills
Collection of backend development skills including Kysely SQL query conversion
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Enhances Claude for developing full-stack web apps with Wasp (React, Node.js, Prisma)
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Talk to your database. Use to run queries, get schema context, and write SQL faster.
What each says it does
mern-ninja
MERN stack mastery tools - code reviewer and test generator for MongoDB, Express, React, and Node.js
io.github.mongodb-js/mongodb-mcp-server
MongoDB Model Context Protocol Server
How to run each
mern-ninja
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
io.github.mongodb-js/mongodb-mcp-server As a local MCP server: npm package
claude mcp add --env "MDB_MCP_API_CLIENT_ID=<YOUR_MDB_MCP_API_CLIENT_ID>" --env "MDB_MCP_API_CLIENT_SECRET=<YOUR_MDB_MCP_API_CLIENT_SECRET>" --env "MDB_MCP_CONNECTION_STRING=<YOUR_MDB_MCP_CONNECTION_STRING>" --env "MDB_MCP_VOYAGE_API_KEY=<YOUR_MDB_MCP_VOYAGE_API_KEY>" --transport stdio mongodb-mcp-server -- npx -y mongodb-mcp-serverRequires: MDB_MCP_API_CLIENT_ID (secret), MDB_MCP_API_CLIENT_SECRET (secret), MDB_MCP_CONNECTION_STRING (secret), MDB_MCP_VOYAGE_API_KEY (secret)
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of mern-ninja publish no list of tools, so we do not compare tools.
Settings each asks for
The marketplaces of mern-ninja publish no settings it asks for, so we do not compare settings.
What it can do: mern-ninja · What it can do: io.github.mongodb-js/mongodb-mcp-server · 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. Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. 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.