Guides
What MCP is, how to connect servers to Claude and what to watch for in security – explained plainly, even if you do not use XenMCP.
- What is MCP? The Model Context Protocol explainedMCP connects AI assistants such as Claude or ChatGPT to your data and tools. How the protocol works, what the risks are and how to keep them small.
- Connect an MCP server to Claude – web, desktop, mobile and developer toolsHow to add a remote MCP server as a connector in Claude on the web, in Claude Desktop and on your phone – plus Claude Code, Cursor and VS Code.
- Using an MCP server with an API key in Claude – four ways comparedYour MCP server wants an API key in a header, but Claude is built around OAuth? Here are four ways to connect them – from request headers to an OAuth bridge.
- Connect a database to Claude safely – MongoDB, PostgreSQL and MySQLUse MongoDB, PostgreSQL or MySQL with Claude via MCP without exposing the database to the internet: read-only user, IP allowlist, TLS and more safeguards.
- Run a local MCP server (stdio) remotely – options, effort and risksWhy stdio MCP servers only run locally, and how to make them reachable for Claude on the web, on your phone or for your team: bridge, tunnel or hosting.
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