"How to improve memory or retention like GPT models" matching MCP servers:

An intelligent personal CRM that processes WhatsApp conversations to build a searchable knowledge base about contacts using diarization, transcription, and PII sanitization. It exposes MCP tools for semantic search, contact summaries, and reminder management within Claude Desktop.

Resolves a company domain to its LinkedIn company page URL. Lightweight enrichment tool for sales and prospecting workflows.

Enables querying Amplitude analytics data including events, active users, retention, and user profiles through natural language or direct tool calls.

Enables teams to automate certificate issuance and query engagement data from the thatsme platform via AI-powered tools like search_events and issue_certificates.

An MCP server that connects AI assistants like Claude, Cursor, and Windsurf to the Waitlister API. Create waitlists and manage subscribers through natural language.

Enables AI assistants to enrich contacts and build audiences via the YourICP API. Provides tools to set an API token, submit contact lookups by email or LinkedIn URL, and poll for enrichment results.

Enables AI agents to perform comprehensive person and company lookups by integrating directly with the Lusha API for business contact enrichment. It provides tools for bulk contact identification via LinkedIn URLs, emails, or names, alongside detailed company information retrieval.

Enables interaction with HubSpot CRM through MCP, providing tools to manage contacts, companies, deals, and search/associations via natural language.

Enables an AI assistant to answer customer-success questions by synthesizing simulated billing, support ticket, and product usage data into composite churn-risk scores, bands, and plain-language explanations for fictional accounts. It exposes raw-data tools, a synthesis tool, and a methodology resource so users can list at-risk accounts or get a per-account health summary.

LeadFuze MCP Server for contact/company enrichment from email or LinkedIn URL plus email validation. Hosted MCP endpoint: https://mcp.leadfuze.com/mcp (API key required).

Enables AI agents to query customer churn risk, MRR at risk, and customer health profiles from Retain, and take actions like adding notes and marking alerts contacted.

A server for interacting with the Iaptic API, allowing AI models like Claude to query customer, purchase, and transaction data, as well as retrieve statistical insights.

Anchord MCP is a hosted remote MCP server for AI agents that need canonical identity resolution and safe write evaluation across customer systems. Resolve companies and people to canonical AnchorIDs, inspect linked records and target-system coverage, and evaluate whether a proposed write should be allowed or blocked. Read-only by design.

Exposes FreeTicket's B2B domain (events, sales, tickets, etc.) as tools for MCP clients like Claude Code, using the same authentication as the CLI.

Product management over a shared product spine — link customer feedback and insights to features, tasks, sprints and releases, then read closed-loop analytics (customer 360, funnels, retention, NRR) on the same records. Local stdio server via npx @aioproductoscom/mcp; also a 38-tool hosted remote (OAuth 2.1).

Enables AI clients to seamlessly take HubSpot actions and interact with HubSpot data, allowing users to create/update CRM records, manage associations, and gain insights through natural language.

Enables AI assistants to read ICTCRM contact groups and, when write access is enabled, create or delete contacts and add contacts to campaigns.

Enables interaction with the ChartMogul API to manage subscription data, customer relationships, and sales CRM activities. It allows users to retrieve key business metrics like MRR and churn while performing data operations on plans, invoices, and contacts.

An MCP server that provides an interface to the Copper CRM API for managing contacts, companies, activities, and opportunities. It enables users to search for people, log meetings or notes, and track sales deals directly through MCP-compatible clients.

Enables AI assistants like Claude to read and optionally write data in FieldRoutes (formerly PestRoutes) using plain English, with read-only mode by default and granular safety profiles.