MCP Servers 269

49 free agent tools: WHOIS, PDF to text, email checks, FX rates, X12 EDI, JSON repair.

Enrich leads, generate prospect lists, and validate emails using Versium's B2B2C identity graph.

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

FullEnrich

io.github.FullEnrich/fullenrich

B✓Verified

Search B2B contacts, enrich verified emails and phone numbers, and export results.

Activecampaign

io.github.pipeworx-io/activecampaign

B✓Verified

ActiveCampaign MCP Pack — email marketing + CRM (API v3).

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

Professional DNS diagnostics: 14 tools for DNS, DNSSEC, email security, SSL, and propagation.

Dead-man's-switch heartbeat monitor for agents, cron jobs & workers.

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.

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

Wholesale BOM pricer: send a parts list, get a priced line-by-line quote by email in minutes.

Build and send interactive email campaigns: studio editing, contacts, sending, results.

Verify phone numbers, emails and IPs, and check remaining plan credits.

Create and manage waitlists from your AI agent: page, custom domain, emails, signups, broadcasts.

Search 136M+ US/CA B2B contacts free, verify emails free, get compliance verdicts.

Manymeet

io.github.jmbremer/manymeet

C✓Verified

Webinar analytics for Zoom Meeting-based webinars: Funnels, transcripts, email engagement

Anymail Finder

io.github.anymailfinder/mcp-server

B✓Verified

Find verified work emails from a name, company, role or LinkedIn URL, and verify emails you have.

PII Detector API

io.github.Br0ski777/pii-detector

A✓Verified

Detect PII in text: emails, phones, SSNs, credit cards, IPs.

Giggal.ai

io.github.hassaanali723/giggal-mcp

A✓Verified

Runs a deep mailbox existence check to verify catch-all, accept-all, and SEG protected emails.

Email A/B tests for AI agents: subject lines, managed sends, open/click tracking, and results.

Have I Been Pwned

io.github.troyhunt/hibp

C✓Verified

Breach intelligence API: email search, domain monitoring, passwords and stealer logs.

Detects and redacts PII (emails, phones, SSNs, names, addresses) from text.