PluginBench
MCP Server
Maintained
MIT

e18e MCP Server

dev.e18e/e18e

MCP server advising agents on modern, performant package alternatives and best practices.

RepositoryRegistry

What is the e18e MCP server?

The e18e MCP server is an official tool that helps agents identify outdated or bloated dependencies and recommends modern, better-maintained alternatives. It analyzes install commands and source code imports to suggest package replacements and provides migration guides for transitioning away from legacy packages.

e18e keeps your agent's dependency choices lean and current. It checks npm install commands for packages with better alternatives, scans source files for imports that should be replaced, and provides curated migration guides. Useful for maintaining performant, modern codebases without bloated or unmaintained dependencies.

How to install e18e

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "e18e": {
      "command": "npx",
      "args": [
        "-y",
        "@e18e/mcp"
      ]
    }
  }
}

Tools & capabilities

Tools this server exposes to the agent.

  • Check install commands — Analyze npm install commands to identify packages with better-native or better-maintained alternatives
  • Analyze source imports — Scan source files to identify imports that should be replaced with modern alternatives
  • Migration guides — Provide curated migration guides for transitioning away from outdated packages

Use cases

  • Review npm dependencies before installation to avoid bloated or unmaintained packages
  • Identify legacy imports in existing codebases that have modern replacements
  • Get guided migration paths for upgrading from outdated packages to their modern alternatives
  • Audit project dependencies for performance and maintenance best practices
  • Recommend native or better-maintained alternatives during code review

e18e MCP server FAQ

What does the e18e MCP server do?

It advises agents on modern and performant best practices by checking install commands for package alternatives, analyzing source imports for outdated dependencies, and providing migration guides to transition away from legacy packages.

Is e18e free to use?

Yes, e18e is open-source under the MIT license and available on npm as @e18e/mcp.

How do I install e18e in Cursor or Claude?

Install via npm with `npm install @e18e/mcp` or connect remotely using the streamable-http endpoint at https://mcp.e18e.dev/mcp.

Does e18e require authentication?

No authentication is required; it's a standalone advisory tool for analyzing packages and imports.

Is e18e production-ready?

The project is in very early stages and may break without notice, so use it with caution in production environments.

What types of packages does e18e analyze?

e18e focuses on npm packages, checking for better-native alternatives, better-maintained forks, and modern replacements for outdated dependencies.

README (reference)

Source of truth, from the repository.

@e18e/mcp

The official e18e MCP server for advising agents on modern and performant best practices

[!WARNING] This project is in very early stages and may break without notice. Have fun!

Capabilities

  • Check install commands for packages that have better-native or better-maintained alternatives
  • Analyze source files to identify imports that should be replaced with modern alternatives
  • Provide curated migration guides for transitioning away from outdated packages

Packages

This monorepo contains the following packages:

  • @e18e/mcp - The main stdio implementation of the e18e MCP server

Sponsors

<p align="center"> <a href="https://e18e.dev/sponsor"> <img src="https://e18e.dev/sponsors.svg" alt="e18e community sponsors" /> </a> </p>

License

MIT

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