"Performing Email-Related Operations in Python" 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.

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.

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

MCP server providing business tools for customer support and account management, integrated with SQLite, OpenAI, and Streamlit.

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 assistants to query Bullhorn CRM data using natural language through direct REST API access with OAuth 2.0 authentication.

Enables LLMs like Claude to interact with Pipedrive CRM data through a standardized interface, providing 22 tools for managing deals, persons, organizations, activities, and more.

FastMCP cloud server enabling AI assistants to manage outbound call campaigns, schedule calls, list agents, and access call data via HTTP.

A safe Python MCP server modeled on a Java reference, providing tools to create and search customers, create pending orders, list customer orders, and run health checks.

Read-only MCP server for querying Creatio support cases and related entities via OData API, with entity allowlist and row limits for safe access.

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.

Ten typed tools that let Claude Desktop, Claude Code or any MCP client work with a company operations dataset: customers, orders, invoices, payments and stock. Every call is validated against a schema and recorded in a log. Python, official mcp SDK with FastMCP, MIT licence.

MCP server for Infoset CRM that enables AI assistants to manage tickets, contacts, companies, SLA, and email threads with built-in rate limit handling and batch operations.

Enables Claude to manage Zoho Recruit ATS operations including candidates, jobs, interviews, analytics, email, and AI-assist through natural language.

Python MCP server for the Marketo REST API, enabling leads management, campaigns, activities, and asset operations through natural language.

Enables finding B2B leads with verified work emails, finding and verifying email addresses, and running cold email outreach from any MCP client.

Connects AI assistants to your workspace so you can build audiences from connected HubSpot lists, author and publish outreach flows, enroll selected contacts, and review team tasks in natural language. Every email and call action requires human approval before it executes.

Enables AI-driven data quality operations such as validation, enrichment, and deduplication for customer data fields including email, address, phone, and LinkedIn profiles through natural language interactions.

A local, read-only MCP server for Claude Desktop that provides 16 tools to search and read EspoCRM accounts, contacts, opportunities, and related emails via a strict allowlist.