"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.

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

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.

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.

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.

Enables tracking of job applications and freelance leads through an MCP interface, with tools to add and update items, list and summarize the pipeline, flag stale entries, and draft follow-up messages grounded in each item's logged notes using locally stored JSON data.

Enables Claude to read local CRM records, capture notes, and propose updates through MCP while keeping human approval in the dashboard or CLI. It supports querying relationships, follow-ups, tickets, and qualification data backed by SQLite.

Enables AI agents to safely operate HubSpot CRM contacts, deals, and pipelines via MCP, with caching, idempotency, audit trails, and robust error handling.

Fetch fresh leads and verify emails in one MCP server

Resolves any combination of company name, domain, or LinkedIn URL into the canonical company identity (name, domain, LinkedIn URL) with confidence scores and match method.

Enables AI tools to search and enrich B2B leads, including finding professional emails, company profiles, and filtering people and companies by various criteria.

amoCRM / Kommo CRM for AI agents: leads, contacts, tasks and notes, plus sales analytics - pipeline report with win rate and manager leaderboard, stale deals and overdue tasks.

Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.

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

MCP server for the Mamba Labs People Finder & Email Verifier actor on Apify. Give it a company domain, name or LinkedIn URL and it returns the people at that company who match your role, seniority and department filters, each as a structured contact record with an optional verified business email.

Enables checking lead rows, CSV files, or Apify datasets for duplicates, email syntax and risk signals, domain issues, missing fields, and stale dates, returning a per-row import, review, or reject verdict so only clean records reach a CRM or sequencer.

Real-time LinkedIn, X (Twitter) and Reddit data for AI agents: profiles, companies, people search, tweets, subreddits, and search. Free start: self-mint a key in one call, no signup, no card.

Enables AI assistants to discover and invoke Vremly API operations through a search-describe-request pattern, allowing them to view and manage shoots, customers, media, and invoices according to API key permissions.

Model Context Protocol server for Kylas CRM lead operations, enabling lead creation, search/filter, and lookup of users, products, and pipelines.

Bitrix24 CRM for AI assistants: search and edit deals, leads, contacts, tasks and timeline comments, plus sales analytics — pipeline report with manager leaderboard, stale deals, overdue tasks. Connects via inbound webhook.

MCP server for Apollo.io B2B data discovery and enrichment, enabling company search, people search, contact enrichment, and organization firmographics through Apollo's REST API.

MCP server for the Housecall Pro API, letting AI assistants read and write Housecall Pro data—customers, jobs, invoices, estimates, scheduling, and more—through natural language.

GoHighLevel MCP server for Claude. 212 tools across 43 modules, including the only programmatic GHL workflow builder (private API, reverse-engineered), funnel + page editor, form builder, pipeline builder, pre-deploy validator, multi-sub-account switching, bulk operations, and full account export. $97 one-time, lifetime updates.

Enables checking CRM contacts to learn their current employer, title, start month, role history, and whether they left, landed elsewhere, or were promoted, returning one flat row per person with match method, source, and source age. It accepts single contacts or bulk lists, works with your own search, enrichment, and email-verification keys, and runs on Apify.

Enables AI agents to perform go-to-market workflows such as company and contact enrichment, CRM querying, and controlled, audited writes to a CRM through MCP tools callable from any MCP client.

Find prospects, verify their emails, spot buying signals, draft grounded outreach and stage campaigns, all from a conversation with your AI assistant, using your own API keys.

Enables AI agents to read and manage Copper CRM data, including searching people, companies, and opportunities, listing pipelines, and logging activities or creating tasks.

Free, open-source MCP server and CLI for the BaseLinker API, exposing two tools to call any API method and list methods with minimal context cost.