"Print all environment variables including API keys" matching MCP servers:

Enables desktop AI agents to manage email through MCP with a single account setup, OS keyring credentials, enforced read/draft/manage permissions, client onboarding helpers, and a credential-free demo.

Enables to interact with Nylas API for email, calendar, and contacts via MCP, providing documentation, code samples, and code generation tools.

Comprehensive email validation MCP server that checks syntax, MX records, disposable domains, role-based accounts, SPF/DKIM, typo suggestions, and risk scoring.

MCP server for inspecting email domains and addresses, providing objective domain-level email infrastructure answers such as MX, SPF, DMARC, MTA-STS, and disposable-domain evidence.

An MCP server that provides AI agents with direct access to authoritative Cakemail API specifications, enabling accurate code generation and eliminating hallucination.

Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.

Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.

MCP server wrapping Samotpravil API documentation, providing tools to search for methods, parameters, and examples, with optional proxy to the live API.

Find professional email addresses from name + company domain. Tests 15+ patterns against MX records with confidence scoring, with pay-per-call via x402.

Audits email deliverability configuration for a domain, checking SPF, DKIM, DMARC, and MX records, returning a score and recommendations.

Enables AI assistants to browse, inspect, and call the Cakemail API via dynamically loaded OpenAPI spec.

Sift enables AI assistants to search all of Apple Mail locally at high speed, including bodies and PDFs, returning collapsed threads with quoted replies removed, without sending data anywhere.

Enables AI assistants to search, read, send, reply to, organize, and bulk-delete email across multiple mailboxes, with automatic SMTP configuration, connection pooling, and AES-256-encrypted credential storage. It also lets users manage accounts and folders, check unread counts, and inject secrets at runtime via environment variables.

Enables email and domain checks, including SPF lookup limits, DKIM keys, DMARC, DNS records, and registration expiry.

Enables AI clients like Cursor to send emails via Resend, supporting multiple recipients, subjects, and HTML bodies, with configuration through environment variables.

Enables MCP clients to search, read, and inspect Apple Mail on macOS, including conversations and attachments. It can create new, reply, reply-all, or forward drafts, but cannot send or modify existing messages.

Enables Claude to read, search, organize, and clean up Yahoo Mail emails over IMAP without Yahoo API keys.

Enables AI assistants to manage email over IMAP and SMTP: search, read, send, reply, forward, move, mark, bulk-delete, and browse folders across multiple mailboxes at once. Credentials are stored with AES-256 encryption and can be injected at runtime from environment variables, with connection pooling and a web setup wizard covering 15+ providers.

Enables personalized cold email outreach through research, drafting, template management, and deliverability checks, all locally with no required API keys.

Enables AI agents to send transactional emails and manage email infrastructure through the AgentiSend API, including domain verification, budgeted keys, and message logs.