Official
MCP server and CLI for flight and hotel search and booking: hundreds of airlines, real prices, booking via a tool call
MCP servers
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an access level with its reasons.
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Found: 5
KeyID agent-kit
@keyid/agent-kit
An MCP server that gives an agent a real email address: 27 tools for sending, replying, inbox search and contacts
Official
Resend's official MCP server: send and read email, manage contacts, broadcasts, domains and webhooks from your agent
Official
Experimental Twilio MCP server: Twilio public APIs as tools, filtered by service and tag
Official
Infobip's official remote MCP servers: SMS, WhatsApp, Viber, RCS, email, voice, push, 2FA and customer data
Frequently asked questions
What is an MCP server?
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.
How do I connect an MCP server to an agent?
The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.
Do I need a key or a paid account?
It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.