"The number 555" matching MCP servers:

MCP server for accessing Virtual Number API to manage virtual numbers, view SMS history, and retrieve available countries and numbers.

Enables AI assistants to interact with humans through GUI dialogs for text input, choices, confirmations, and information display.

Enables AI assistants like Claude to interact with humans through intuitive GUI dialogs, supporting text input, choices, confirmations, and information displays.

Validates whether phone numbers are registered on WhatsApp, supporting single and bulk (up to 10) number checks.

Enables MCP-compliant clients to run simple utility tools, including dice rolling and number addition.

Multi-account Google Ads MCP server that allows connecting any number of Google Ads accounts and querying campaign performance, keywords, search terms, and account analytics by name in the same session.

MCP server that exposes the PARI/GP number theory library, enabling advanced mathematical computations like factorization, primality testing, polynomial root finding, and elliptic curve operations.

An MCP server for the WhatsApp Number Validators API that enables users to verify WhatsApp registration and business account status for single or bulk phone numbers. It also provides phone number validation with suggested alternatives for invalid entries across different countries.

Enables bank identification number (BIN) lookups via the Bin Lookup Checker API. It allows users to retrieve information about card issuers, card types, and brands using a specific BIN.

The open-source, self-organizing memory for all your AI tools. Persistent memory over MCP (remember, recall, observe): background agents extract entities, resolve conflicts, and keep cited syntheses current in an append-only, encrypted, single-tenant vault.

Provides AI assistants with progressive code intelligence to explore repository structure, find symbols, and assess the impact of changes using ast-grep.

MCP server that resolves postal/ZIP codes to place names, states, and coordinates using Zippopotam.us. Free, no API key required.

Enables real-time domain registration lookups via RDAP, including availability, expiration, and registrar details, with no API key required. Supports natural language queries like 'is example.com available?' or 'when does example.com expire?'.

Provides read-only tools to query live Polymarket prediction-market data via the public Gamma API, enabling search, browsing, and detailed market and event information.

A Python-based MCP server that enables AI agents to query the Microsoft 365 Roadmap programmatically.

Fetches a URL and returns the main content as clean Markdown, using plain HTTP when possible and headless Chromium for JavaScript-rendered or bot-protected pages.

An MCP server for the iNavi Maps API that gives AI assistants iNavi Maps API specifications and ready-to-use HTML templates for interactive map visualizations (geocoding, POI search, route planning).

Startup valuation calculators for AI agents: 14 MCP tools covering 80+ formulas from the Startup Valuation textbook — probability, time value, CAPM, pre-revenue methods (Scorecard, Berkus, VC Method), options, comparables, SaaS, marketplace, fintech, biotech, hardware, international, stakeholder equity, and emerging methods.

Perfume database API with verified notes: 1,500+ perfumes, 160+ houses, 400+ raw materials in a fragrance ingredients database. 12 tools over MCP and REST, OpenAPI spec, free and keyless, answers in 10 languages. Look up a note or raw material and get the perfumes that use it, or a perfume and get its full top, heart and base pyramid. Built by Scento.

MCP Server for the Luno Cryptocurrency API