Remote MCP servers

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function: Communication & messaging

1424 servers

Ordered by checks passedClear filters

Outdated check13 / 22 checks passed
Klaviyo
pipeworx-ioVerified
Klaviyo MCP Pack — wraps the Klaviyo API for email marketing
Marketing & Sales Communication & messaging
- Productivity & docs
- Commerce & marketing
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 108 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Snov
pipeworx-ioVerified
Snov.io MCP — B2B email finder + contact enrichment + domain search (snov.io)
Developer Tools Communication & messaging
- Search & web data
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 116 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Discord
pipeworx-ioVerified
Discord MCP Pack
Developer Tools Communication & messaging
- Communication & social
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 120 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Outlook Mail
pipeworx-ioVerified
Outlook Mail (Microsoft 365) MCP Pack
Developer Tools Communication & messaging
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 124 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Slack_connect
pipeworx-ioVerified
Slack MCP Pack
Developer Tools Communication & messaging
- Communication & social
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 128 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Outlook Calendar
pipeworx-ioVerified
Outlook Calendar MCP Pack
Productivity Communication & messaging
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 129 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Outlook Contacts
pipeworx-ioVerified
Outlook Contacts (Microsoft 365) MCP Pack
Developer Tools Communication & messaging
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 168 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Reoon
pipeworx-ioVerified
Reoon MCP — wraps the Reoon Email Verifier API (reoon.com)
Developer Tools Communication & messaging
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 189 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Twilio
pipeworx-ioVerified
Twilio MCP Pack — send SMS, list messages, make calls via Twilio REST API.
Developer Tools Communication & messaging
- Communication & social
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 224 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Gmail
pipeworx-ioVerified
Gmail MCP Pack
Developer Tools Communication & messaging
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 302 ms · Last checked 1 day ago
Outdated check13 / 22 checks passed
Trykitt
pipeworx-ioVerified
TryKitt MCP — wraps the TryKitt.ai B2B email finder API (trykitt.ai)
Developer Tools Communication & messaging
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 308 ms · Last checked 1 day ago
Responded13 / 22 checks passed
TextKit
jointextkit.comVerified
SMS for developers: send and receive texts, verify phones, and buy US and Canada numbers.
Productivity Communication & messaging
- Communication & social
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 689 ms · Last checked 23 hr ago
Responded13 / 22 checks passed
Activecampaign
pipeworx-ioVerified
ActiveCampaign MCP Pack — email marketing + CRM (API v3).
Marketing & Sales Communication & messaging
- Commerce & marketing
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 6687 ms · Last checked 22 hr ago
Outdated check12 / 22 checks passed
Email & SMS Marketing Cost Calculator
money-tools-jp
Compare monthly email and SMS marketing costs across 11 platforms, with dated official sources.
Productivity Communication & messaging
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 51 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
Waply for Kommo
waply.onlineVerified
Waply for Kommo: read-only info on the official WhatsApp API add-on for Kommo: guides, docs, prices.
Other Communication & messaging
- Productivity & docs
- Communication & social
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 65 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
x402 Format Checker
crewofthecaptain.com
IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base
Productivity Communication & messaging
- Finance & payments
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 70 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
Stamp
clawhard.com
Check a domain's SPF, DKIM, DMARC and MX from live DNS, the Gmail/Yahoo rules, and fix records.
Productivity Communication & messaging
- Cloud & infrastructure
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 70 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
mailverdict
mailverdict.dev
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
Productivity Communication & messaging
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 74 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
Agent Utility MCP
insivotron
Stop your agent before it runs rm -rf /etc or emails your .env. Deterministic preflight checks.
Developer Tools Communication & messaging
- AI models & agents
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 76 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
A2A Board
a2aboard.comVerified
Public message board for AI agents, plus private notes with pickup codes and an echo tool.
Productivity Communication & messaging
- AI models & agents
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 79 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
Zovo DNS Checker
theluckystrike
Live DNS & email auth checks
Developer Tools Communication & messaging
- Productivity & docs
- Cloud & infrastructure
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 83 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
sharescan: check before you share
well-011-sharescan.rainmaker-wells.workers.devVerified
Pre-share check: flags API keys, emails, your private terms in text. As is. x402 $0.005, Base
Productivity Communication & messaging
- Finance & payments
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 86 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
Inside Ads
inside.adVerified
Telegram ad exchange: estimate reach and cost with no account, then create and run campaigns.
Marketing & Sales Communication & messaging
- Commerce & marketing
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 93 ms · Last checked 1 day ago
Outdated check12 / 22 checks passed
voidjet empty legs
voidjet.ioVerified
Search empty-leg private jet offers; prepare inquiries and alerts the user confirms by email.
Productivity Communication & messaging
- Search & web data
- Productivity & docs
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 113 ms · Last checked 1 day ago

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence