"address validation" matching MCP servers:

Read and write CardDAV address books: contacts, groups and photos over the open standard

MCP server for the Infomaniak Contacts API, enabling listing and searching contacts across address books.

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 CardDAV MCP server that exposes contacts and address books as tools for AI assistants.

Enables company hierarchy analysis and address verification through MCP, allowing submission of entities for screening, duplicate detection, and status polling.

Enables an AI assistant to manage a local address book, including searching people, retrieving details, logging interactions, creating reminders, and merging or deleting contacts via a set of 12 tools.

Parses, validates, and normalizes postal addresses for US, UK, FR, DE with component extraction and postal code verification. Pay-per-call via x402 micropayments (USDC on Base L2).

Simulates a multi-tenant customer support backend with tools for profile, order, ticket, and refund management, demonstrating security controls like tenant isolation, role-based access, and input validation.

MCP server for Zammad that focuses on workflows the standard Zammad API tooling does not cover well — primarily shared drafts with strict reply-HTML validation, fresh signature rendering and German-localised quote blocks.

Enables Polish-speaking users to connect EstiCRM with MCP clients like Codex, Claude Code, and Claude Desktop, providing read-only operations by default with optional write tools, data masking, argument validation, and safe request handling.

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.

Customer-hosted, read-only MCP server for Jobber operations workflows. It helps owners query Jobber for action lists, overdue invoices, stale requests, estimate/job follow-up, and safe read-only GraphQL validation.

Enables AI agents to manage mailing lists and contacts, read campaign reports with per-link clicks, and trigger automations. Supports lookups and updates by email address, tag and status management, and destructive operations with client confirmation.

Connects AI assistants to the Hub API, enabling them to manage resources such as customer leads through structured tools. It provides validated operations for creating customer records, supporting specific Brazilian fiscal ID (CPF/CNPJ) validation rules.

Provides comprehensive access to HubSpot CRM data and operations, enabling management of contacts, companies, deals, engagements, and associations through a standardized interface with type-safe validation.

A deterministic MCP server for legal intake triage that provides practice-area lookup, conflict screening, matter validation, follow-up drafting, and triage logging with a hard conflicts gate.

Enables AI assistants to interact with HubSpot CRM data, including creating contacts and companies, retrieving activity and conversations, and performing semantic search over previously retrieved data. It includes vector storage and caching to improve response times and address HubSpot API limitations.