"Connecting WhatsApp with Evolution email/calendar client" matching MCP servers:

Real-time email verification API with syntax, MX, disposable detection, role-based flags, quality score 0-100. Built for agent outreach pipelines with pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

A lightweight MCP server for client relationship management, enabling client tracking, notes, and search via natural language.

Find professional email addresses from name + company domain. Tests 15+ patterns against MX records with confidence scoring, with pay-per-call via x402.

Enables Claude Code to create HubSpot marketing email drafts from Markdown and Word documents with automatic image handling and brand guidelines.

Bridges AI assistants to HubSpot CRM via OAuth2.1+PKCE, enabling tool access through OpenClaw or stdio MCP.

Generates personalized client strategy briefs from a name, and manages client profiles for behavioral intelligence, enabling client-facing professionals to prepare for conversations.

Enables finding and verifying work emails for contacts through a waterfall of provider keys, with per-provider cost attribution and verification after each finder.

An MCP server that connects WhatsApp Web to AI tools like Gemini and Claude, providing chat reading, messaging, and a local CRM with draft-and-approve workflows.

Enables querying client onboarding status and basic client info (name, family) via two tools, designed for integration with Microsoft Copilot and Teams.

Generates professional client proposals including timeline, tech stack, price estimate, and milestone breakdown from client requirements.

Validates email deliverability, assesses domain credibility, and scores B2B leads from A-F to help prioritize outreach, with batch processing and a free tier.

Enables AI agents to manage e-commerce operations (products, carts, clients) through WhatsApp via Chatwoot, using MCP tools for inventory, cart, and customer management.

Exposes a Model Context Protocol interface to a growth and revenue API, enabling MCP clients to manage account data and interact with platform tools through natural-language-driven tool calls.

Enables AI assistants to interact with HubSpot CRM data, providing tools for managing contacts and companies, retrieving activity and conversations, and performing semantic search with vector storage and caching for improved performance.

Enables managing client records with tools for adding, listing, retrieving, updating, and deleting clients, plus a read-only resource for viewing all clients.

Enables natural-language queries about sales metrics, returning interactive charts inline in chat via MCP Apps with a markdown fallback for unsupported hosts.

Unified MCP server combining Hunter.io email finding with Apollo company intelligence for B2B lead enrichment.

MCP server for MisarReach that enables finding, enriching, and scoring leads, running multi-channel outreach (WhatsApp, SMS, push) with AI autopilot, and managing the sales pipeline across 27 tools, 5 prompts, 4 resources, and 4 agent skills.

Enables Claude to manage Gmail, Google Calendar, and Google Contacts through a safety-first interface with soft-delete protections and draft-only email capabilities. Supports multiple Google accounts with comprehensive mutation logging and mandatory manual confirmation for destructive actions.

MCP server for emailfinder.dev that enables AI assistants to find verified professional email addresses via name/domain, LinkedIn URLs, company domains, roles, and email validation.