Best .ENV MCP Servers
Dotenv is a zero-dependency module that loads environment variables from a .env file into process.env, making it easier to manage configuration settings in Node.js applications.
Why this server?
Supports environment variable configuration for API keys and other settings through .env files
MITWhy this server?
Uses .env files for storing and accessing RSpace credentials and configuration variables.

RSpace MCP Serverofficial
AlicenseBqualityCmaintenanceA proof-of-concept server that enables LLM agents to interact with RSpace API endpoints using the Model Context Protocol, allowing AI assistants to access and manipulate research data in RSpace.504AGPL 3.0Why this server?
Enables environment variable configuration for development, allowing secure management of API keys and base URLs

@arizeai/phoenix-mcpofficial
AlicenseBqualityAmaintenancePhoenix MCP Server is an implementation of the Model Context Protocol for the Arize Phoenix platform. It provides a unified interface to Phoenix's capabilites. You can use Phoenix MCP Server for: Prompts Management: Create, list, update, and iterate on prompts Datasets: Explore datasets, and synte271,272 npm12,154Apache 2.0Why this server?
Supports loading of API credentials and configuration from environment variables stored in .env files for secure server setup

alpaca-mcp-serverofficial
AlicenseBqualityAmaintenanceAlpaca’s official MCP Server lets you trade stocks, ETFs, crypto, and options, run data analysis, and build strategies in plain English directly from your favorite LLM tools and IDEs729,923 PyPI1,055MITWhy this server?
Allows injecting secrets into .env files for environment variable configuration, enabling agents to manage application secrets without exposing them.

wundervaultofficial
AlicenseAqualityAmaintenanceMCP server for Wundervault zero-knowledge secret management. Lets AI Agents use secrets via the Model Context Protocol — secrets are decrypted using a broker that runs on your local computer on a protected account that your agent cannot access the plaintext.5944 npm2AGPL 3.0Why this server?
Supports loading API credentials and configuration options from environment variables or .env files for local development and testing.
GoMITWhy this server?
Uses environment variable configuration for secure credential management and API authentication settings

SignNow MCP Serverofficial
AlicenseAqualityFmaintenancehttps://github.com/signnow/sn-mcp-server MCP server for SignNow e-signature: templates, invites, embedded signing/editor, status & downloads.258MITWhy this server?
Uses .env files for configuration management, particularly for storing the OpenWeatherMap API key
AlicenseBqualityDmaintenanceAn MCP server that provides real-time weather information including temperature, humidity, wind speed, and sunrise/sunset times through the OpenWeatherMap API.2415MITWhy this server?
Uses environment variables for server configuration through .env files.
AlicenseBqualityDmaintenanceMCP server for fetching, parsing, and managing RSS feeds. Features Fetch and parse RSS/Atom feeds In-memory caching with TTL Batch fetching of multiple feeds Monitor feeds for new items Search content across multiple feeds Extract and format feed content654 npm12Apache 2.0