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 loading Desk3 API key from .env file for configuration.
AsecurityAlicense-qualityCryptocurrency MCP Server! Free! This powerful tool is designed for blockchain enthusiasts, providing comprehensive, real-time cryptocurrency information at your fingertips. Whether you're an experienced trader or just starting your journey into the crypto world.Last updated3162MITWhy this server?
Supports environment variable configuration through .env files for API keys and settings.
AsecurityAlicenseBqualityEnables Claude to search and manage electronic components, PCB parts, and manufacturing services through direct access to the Source Parts API. Provides comprehensive product search, pricing, inventory checking, and parametric filtering capabilities for electronics procurement.Last updated311Apache 2.0Why this server?
Uses environment variable configuration for secure credential management and API authentication settings

SignNow MCP Serverofficial
AsecurityAlicenseAqualityhttps://github.com/signnow/sn-mcp-server MCP server for SignNow e-signature: templates, invites, embedded signing/editor, status & downloads.Last updated155MITWhy this server?
Supports configuration through environment variables stored in .env files.

Flipt MCP Serverofficial
AsecurityAlicense-qualityFlipt’s MCP server allows AI assistants and LLMs to directly interact with your feature flags, segments, and evaluations through a standardized interface. For example, you could ask your AI assistant: “What’s the current state of the ‘dark-mode’ flag?”Last updated28623Apache 2.0Why this server?
Uses .env files for configuration management, particularly for storing the OpenWeatherMap API key
AsecurityAlicense-qualityAn MCP server that provides real-time weather information including temperature, humidity, wind speed, and sunrise/sunset times through the OpenWeatherMap API.Last updated414MITWhy this server?
Scans .env files to detect privacy-relevant technologies, cookies, and third-party data collection practices as part of local project privacy compliance scanning.

pageguard-mcpofficial
AsecurityFlicenseAqualityScan any project or website for privacy compliance issues directly in your AI coding tool. Detects tracking tech, cookies, and third-party data collection. Works in Claude Code, Cursor, and Windsurf.Last updated3Why this server?
Uses .env files for storing and accessing RSpace credentials and configuration variables.

RSpace MCP Serverofficial
AsecurityAlicense-qualityA 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.Last updated504AGPL 3.0Why this server?
Supports environment variable configuration through .env files for storing API keys and other configuration settings.
AsecurityAlicense-qualityProvides tools for creating, managing, and generating content for DeepWriter projects through a standardized Model Context Protocol interface.Last updated66Apache 2.0Why this server?
Protects sensitive .env files from unauthorized access or modification by AI agents during file path operations.
AsecurityAlicenseAqualityMCP security server with 7 tools: command safety check, prompt injection detection (32+ rules, zh+en), PII/sensitive data scanning, file path protection, tool policy enforcement, response auditing, and security status. 8-layer defense, zero dependencies.Last updated79660Apache 2.0