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?
Manages environment variables to securely store API keys, including mem0 API key configuration.
AlicenseAqualityFmaintenanceAn MCP server that integrates with mem0.ai to help users store, retrieve, and search coding preferences for more consistent programming practices.29658Apache 2.0Why this server?
Uses .env files for storing and accessing RSpace credentials and configuration variables.

RSpace MCP Serverofficial
AlicenseBqualityBmaintenanceA 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?
Uses environment variables for server configuration through .env files.
AlicenseBqualityCmaintenanceMCP 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 content67111Apache 2.0Why this server?
Integrated for environment variable management, allowing configuration of API keys, feature flags, cache settings, NLP and server settings through a .env file
AlicenseAqualityAmaintenanceProvides advanced analytical, research, and natural language processing capabilities through a Model Context Protocol server, enabling dataset analysis, decision analysis, and enhanced NLP features like entity recognition and fact extraction.2124MITWhy this server?
Manages API keys and configuration settings for secure blockchain access

Adamik MCP Serverofficial
AlicenseAqualityDmaintenanceEnables read and write interactions with 60+ blockchain networks through Claude Desktop, providing a standardized multi-chain API for transaction management, account insights, staking, and token interactions.12221MITWhy this server?
Supports environment variable configuration for API keys and other settings through .env files
MITWhy this server?
Supports environment variable management for the UseGrant MCP server, particularly for storing and accessing the USEGRANT_API_KEY.

UseGrant MCP Serverofficial
AlicenseBqualityCmaintenanceA Model Context Protocol server that provides tools for managing providers, clients, tenants, and access tokens through the UseGrant platform.2645MITWhy this server?
Reads .env files to auto-detect the API base URL.
AlicenseAqualityCmaintenanceAn MCP server that automatically discovers API endpoints from any codebase, generates and runs tests, and produces per-role QA audit reports in PDF and XLSX.210753MITWhy this server?
Used to configure environment variables including the SEO API workspace key for authentication
AlicenseBqualityDmaintenanceGet access to real-time SEO data, including: keyword insights, backlink data, traffic estimates and more. Allow AI tools and Large Language Models (LLMs) to tap into the real-time SEO Review Tools API with natural language commands.875MIT