MCP Server Directory

PikaSim com.pikasim/pikasim

Anonymous eSIMs, phone numbers, and SMS codes in 190+ countries. Crypto-paid; agents self-onboard.

Security gate for agent-driven WhatsApp: allowlist, secret scan, rate limit, audit log.

LeadFoxConnect io.github.LeadFox-Shay/leadfoxconnect

Marketo MCP server for AI. 130 tools to operate Marketo from Claude, Cursor, or ChatGPT.

Free disposable email for AI agents: a throwaway inbox to read verification codes over MCP.

MailDev MCP server. Manage Docker containers and inspect emails from your AI editor or MCP client.

Local MCP server to sync, clean, and index AI chat logs locally. Saves up to 40% context tokens.

Give AI agents a real email address, vault, calendar, and task delegation via MCP.

MCP server for the Mailtrap email platform — analytics, sending, contacts, sandbox

Send transactional emails from AI agents via Truncus. Validate, track delivery, and manage domains.

Pingfyr com.pingfyr/pingfyr

Schedule reminders for AI agents via email, webhook, Slack, Discord, Telegram, or Google Calendar.

UltraMemory io.github.LogicLabsAI/ultramemory-mcp

One memory, every AI: Claude, ChatGPT, Perplexity, Gemini, Cursor, OpenClaw, Hermes, any MCP client.

Activecampaign io.github.pipeworx-io/activecampaign

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

Arcgis Chatham io.github.pipeworx-io/arcgis-chatham

Chatham County GIS — Chatham County, Georgia open geospatial data (ArcGIS).

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

Could Have Been Email io.github.pipeworx-io/could-have-been-email

could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)

Emailable io.github.pipeworx-io/emailable

Emailable MCP — wraps the Emailable email verification API (emailable.com)

mcp-server com.pingvalid/mcp-server

Email validation for Claude and any MCP client — verdicts with evidence, bulk jobs, refunds.

Compresses AI chat sessions into a typed knowledge graph. Local/offline via Ollama.

Espn io.github.pipeworx-io/espn

ESPN MCP — keyless multi-sport live scores, teams, and news via ESPN's public site API.

Findymail io.github.pipeworx-io/findymail

Findymail MCP — B2B email finder & reverse-email lookup (findymail.com)

WhatsApp Business CRM: send messages, manage contacts, campaigns, and AI agents.

Gmail io.github.pipeworx-io/gmail

Gmail MCP Pack

Hunter io.github.pipeworx-io/hunter

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

DiagramZu ai.diagramzu/mcp

Let Claude, Cursor, or ChatGPT author Mermaid diagrams your team can read and share.