MCP Server Marketplace: 500+ AI Tools
Browse Model Context Protocol servers for AI assistants, automation, databases, and more. One-click install for Claude, Cursor, and any MCP client.
japan-calendar-mcp
Supplies five tools for Japanese calendar operations: `is_holiday` checks if a date is a national holiday, `next_business_day` finds the subsequent business day excluding weekends and holidays, `get_holidays` lists holidays for a year, `business_days_between` counts workdays between dates, and `japanese_era` identifies the era like Reiwa or Heisei. Developers integrate it into finance apps for accurate accrual periods, HR systems for payroll, or scheduling tools for Japan-specific deadlines.
UK Business Intelligence
The uk-business-intelligence MCP server delivers programmatic access to UK-specific business data, including company profiles, financial summaries, and market indicators. It supports queries for due diligence and competitive analysis. Data analysts, financial researchers, and developers integrating UK business insights use it for research and reporting.
upwork-bidcraft
Generate personalized, high-converting Upwork proposals from any job post in seconds.
Real-Time Stock Crypto Signals
Real-Time Stock Crypto Signals MCP server—38 tools for quantitative traders and data analysts. Fetch live stock/ETF prices with Revolut flags via get_price, bulk prices and top crypto movers via get_prices_bulk and crypto_top_movers (Binance), and insider clusters via get_insider_clusters (SEC EDGAR)—no API keys needed. Cross-reference filings with Revolut tradables using cross_reference_insider_revolut and track portfolios via get_accounts and get_account_balance.
Billomat MCP Server
Connect your Billomat account to Claude and automate invoicing, client management, and offers — all via AI. Supports listing and creating clients, invoices, and offers. Requires your own Billomat account: provide your BillomatID (subdomain) and API key as request headers (X-Billomat-Subdomain, X-Billomat-Api-Key). Free to get started at billomat.net.
MCP LatAm Business Suite
Latin American business compliance suite for AI agents — 28 tools covering tax ID validation (CPF, CNPJ, RFC, RUT, CUIT, CUIL, NIT, CC), banking validation (PIX, CLABE, CBU), VAT/IVA rules, e-invoicing requirements (NF-e, CFDI, DTE, Factura Electrónica), payment terms, public holidays, working day calculations, and invoice schema validation across Brazil, Mexico, Chile, Argentina, and Colombia.
Mailbox Manager
Mailbox Manager is an MCP server that connects to Gmail via Google OAuth and exposes tools to search, read, and triage email—including listing labels, searching messages, fetching message/thread details, generating inbox digests, and performing actions like apply labels, archive, and mark read/unread.
security-auditor
Scan your codebase for secrets, PII, hardcoded passwords, dependency vulnerabilities, and compliance violations (SOC2, HIPAA, GDPR, ISO27001) — directly from your AI workflow. Get SARIF-format reports with risk scores and grades.
MCP Europe Business Suite
European business compliance suite for AI agents — 28 tools covering tax ID validation (PT, ES, FR, DE, IT, UK, NL), IBAN verification, EU VAT rates, invoice requirements, e-invoicing rules, payment terms, labor calendar helpers, VAT breakdown calculations and invoice schema validation for 18+ European countries.
APIsage
APIsage is an AI-powered API doctor for MCP—instantly checking endpoint health, diagnosing failures, detecting frameworks, and generating tests so you can debug and ship faster.
mcp-workshop
Pure-compute utilities for AI agents: chunk text by tokens, extract JSON from messy LLM output, validate against JSON Schema, analyze logs, convert timestamps across timezones, compute hashes and encodings. No API keys, no setup, no external dependencies — every tool runs on pure compute. Built to compose: extract JSON, validate it, chunk the result, hash the chunks. The tool list grows based on what users actually request via request_tool.
AI Agent Marketing Math + Real-time Signals
Deterministic marketing math and live demand signals for AI agents. This MCP server provides hallucination-free KPI forecasting, constrained budget optimization, and real-time market telemetry via Reddit and Wikipedia engagement data allowing agents to perform precision-critical planning without external API overhead.