"The number 555" matching MCP servers:

Virtual phone number platform for AI agents — rent numbers across 200+ countries, receive SMS, and manage the full activation lifecycle.

MCP server for controlling satellite ground station operations in the Trench simulation, including pass management, downlink control, and antenna pointing.

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

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

MCP server for the Japan National Tax Agency Corporate Number API, enabling corporate number lookup and search via local AI clients.

x402 capability chassis: 170+ AI-callable, pay-per-call data tools (US/global equities, crypto/DeFi, prediction markets, gov/legal, research, infra) settled in USDC on Base mainnet via the Coinbase CDP facilitator. No API keys or accounts — the x402 payment is the auth. Remote MCP at https://the-stall.intuitek.ai/mcp.

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.

the-real-unifi-mcp License: MIT Node MCP SDK [![CI](https://github.com/mguttmann/the-real-unifi-mcp/actions

Generates a unique number derived from the International Space Station's current orbital location, useful for space-derived identifiers or deterministic random seeds.

Enables users to fetch number trivia, historical date facts, math properties, and random number facts through the NumbersAPI.

Enables AI agents to search The Met's open-access collection by keyword with filters for images, on-view status, medium, and year range, and to fetch rich object details such as artist bio, dimensions, department, and gallery number. Also lists the museum's curatorial departments so searches can be scoped, all without an API key.

MCP server that wraps the StupidAPIs' 'The Committee' tool, which convenes five random number generators to argue and vote with one always dissenting.

Local MCP server (stdio) exposing the entire Hetzner Cloud API as 201 typed tools, read and write

Enables searching and retrieving articles, sections, and tags from The Guardian via the Guardian Open Platform API.

Enables querying indexed blockchain data via subgraph GraphQL queries, part of the Pipeworx MCP gateway.

Enables AI agents to search and retrieve UK company data, including company details by Companies House number, group ownership structures, website associations, and Real-Time Industrial Classification definitions.

Number utilities MCP server providing base conversion, Roman numeral conversion, and English word spelling of integers.

Provides a random number aged 24 hours, offering a smooth, aged number for any purpose.

Generates random numbers via a single tool, part of the Pipeworx MCP gateway providing access to multiple data sources.

Exposes tools to calculate powers (square, cube, etc.) of a number via stdio or HTTP/SSE, with an additional resource and prompt on the HTTP variant.