Communication MCP Servers

Real email inboxes for AI agents: open an address, read the one-time code, send mail.

Search local email archives (.mbox/.eml) entirely on your machine. No OAuth, no cloud.

Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.

TryKitt MCP — wraps the TryKitt.ai B2B email finder API (trykitt.ai)

SendGrid MCP — wraps SendGrid v3 API (api.sendgrid.com/v3)

Read-only MCP server for your mail — provider-agnostic IMAP that never marks a message as read.

13 paid x402 tools, USDC/Base. Free check: GET /preview<path>=200 sample. Copy-paste pay: /llms.txt

Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.

Tidy a large Outlook / Hotmail mailbox. Folder subtree moves, bulk ops with dry run, never sends.

Email address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402.

Run scheduled LLM-written email digests from local files and feeds. Local-first MCP server.

Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.

Search Gmail and Outlook, save drafts, manage email rules, and view email stats.

Disposable email inboxes for AI agents: create, wait for mail, extract verification codes

MCP server for VK API — wall posts, news search, users, groups. 4 tools.

Query Inbin's parsed email events (newsletters, invoices, alerts) as typed JSON tools.

Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.

Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide

Gives an AI agent a disposable email and a real UK phone number to test signup flows.