"Capture The Flag (CTF) cybersecurity competitions and challenges" matching MCP servers:

Provides read-only EspoCRM access for AI assistants, enabling record retrieval and preparation of signed change sets without direct modification or deletion.

Provides interactive tools to explore AFAS customer data and employee leave information, including bubble charts, leave balance reports, and detailed leave cards.

Enables Claude to interact with the Lever ATS for candidate management, interviews, feedback, and more, using OAuth with Google Workspace for Samba employees.

Integrates Lever ATS with Claude Desktop to manage hiring pipelines through natural language, offering tools for candidate search, pipeline management, file and application handling, and advanced sourcing.

MCP-native sales intelligence server enabling prospect enrichment, LinkedIn scraping, and CRM push to HubSpot/Salesforce via natural language.

MCP server for Influitive AdvocateHub that provides 15 tools across members, groups, challenges, events, rewards, and approvals, enabling read and write operations with confirm gates and audit logging.

Create and manage quizzes, question banks, and translations; capture and manage leads, respondents, and bookings; and pull stats and funnel analytics on RooQuiz — a lightweight assessment platform for lead capture and viral sharing.

Provides AI agents with access to Vruum's AI revenue platform, enabling outbound, deals, pipeline, and CRM automation with 155 tools for searching, managing people, deals, outreach, and engagement, while your AI harness authors all sales and marketing prose.

Enterprise-level MCP server integrating with Vista CRM (Loft Edition) for real estate operations, offering 40+ tools for property search, pipeline management, lead capture, and agenda control.

MCP server for the bexio API, the Swiss business software for invoicing, accounting, CRM, projects and payroll. It provides 310 tools covering the complete public API surface across all three API versions.

An MCP server for the Salesbuildr platform, providing tools to manage quotes, products, and sales operations through Salesbuildr's API.

Connects AI assistants to the complete Salesforge product suite, enabling management of workspaces, contacts, sequences, mailboxes, domains, and more across multiple sales tools.

Enables AI assistants to find and verify professional emails and phone numbers via the Enrow API.

MCP server for the Rentalot API. Manage rental properties, contacts, showings, conversations, and more from any AI assistant.

MCP server for the HubSpot CRM API with tools for managing contacts, companies, deals, tickets, and CRM workflows. Generated with MCPForge. Sensitive operations can be protected with permissions, audit logs, and approval workflows.

Enables management of customer support tickets, contacts, agents, and knowledge base articles through the Groove HQ GraphQL API.

A production-grade MCP server that wraps the GoHighLevel API v2, enabling Claude and other MCP clients to interact with GHL CRM as structured tools for managing contacts, conversations, pipelines, appointments, payments, and more.

MCP server for the Stripe API with 10 tools covering payments, customers, invoices, and subscriptions. Generated with MCPForge. Destructive and financial operations require human approval.

Wraps the Close CRM API to enable AI agents to interact with Close CRM data, manage leads, contacts, and activities through natural language.

MCP server that enriches LinkedIn profiles, companies, and enables people search using the Techtenstein LinkedIn Enrichment API.