MCP Servers 330

Agent Utility MCP

io.github.insivotron/agent-utility-mcp

B✓Verified

Stop your agent before it runs rm -rf /etc or emails your .env.

Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.

Send transactional email, verify domains, build contact segments, and draft marketing campaigns.

Loops

io.github.loops-so/loops

B✓Verified

Manage Loops contacts, mailing lists, campaigns, and transactional email from your Loops account.

Send transactional email and manage domains, audiences, and broadcasts from any MCP client.

SpamTitan

io.github.wyre-technology/spamtitan-mcp

A✓Verified

MCP server for SpamTitan email security — quarantine, allow/block lists, and policy management.

Mbox

io.github.arose26/mbox-mcp

A✓Verified

Search local email archives (.mbox/.eml) entirely on your machine.

Verification and routing for autonomous agents: crawler ID, email, web capture, data routing.

Manage Scribe email signatures: templates, teammates, smart fields and campaigns, via OAuth.

Job search management: applications, interviews, offers, recruiter email, and company openings.

Brand-aware creative studio for Claude: 200+ tools for on-brand ads, video, email and campaigns.

Hunter

io.github.pipeworx-io/hunter

B✓Verified

Hunter.io MCP — wraps the Hunter.io email finder & verification API (hunter.io)

Query people, segments, campaigns, and message deliveries; send transactional email or broadcasts.

Send16

io.github.spruikco/send16-mcp

B✓Verified

Email for AI agents: send mail, manage contacts, automations & webhooks.

Generate changelogs, release emails, help-center articles, banners, and social posts from commits.

135 MCP tools: geo, email, phone, company, DNS, FX, equities, weather, tax, econ, intel — one key.

Read, send, organize, watch email on any IMAP mailbox: Gmail, iCloud, OVH, Zoho, Fastmail + CalDAV.

KeyID

io.github.KeyID-AI/keyid

B✓Verified

Signup sessions, browser continuity, email, SMS, and OTP/TOTP infrastructure for AI agents.

Whoisxmlapi

io.github.whois-api-llc/mcp-whoisxmlapi

B✓Verified

32 WHOIS, DNS, IP, threat intelligence, email, and bulk tools for AI agents via WhoisXML API.

Postari

io.github.wilmendezofficial/postari

B✓Verified

Email marketing y transaccional AI-native: campañas, correos 1-a-1, contactos, flujos y métricas.

Resend Server

io.github.friendlygeorge/resend-mcp-server

B✓Verified

MCP server for Resend — transactional email API for AI assistants...

Validator Ai

io.github.CSOAI-ORG/validator-ai-mcp

B✓Verified

AI-powered validator ai MCP server for agents.

Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.

Netintel

io.github.kjgueye/netintel-mcp

B✓Verified

MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments