The Infrastructure Layer
for AI at Scale
MCP Codex is the authoritative technical reference for Model Context Protocol — the open standard that connects enterprise AI agents to your databases, APIs, and internal systems.
Trusted by engineering teams deploying Claude, GPT, and custom LLMs in production environments.
20+
How-To Guides
8
MCP Server Types
100%
Enterprise Ready
MCP
Open Standard
Why engineering teams choose MCP Codex
Security-First Design
Every guide includes access control, least-privilege principles, and production-hardening steps.
Any LLM, Any Stack
Works with Claude, GPT, Gemini, and any MCP-compatible AI agent framework.
Open Standard
Built on Anthropic's open Model Context Protocol — no vendor lock-in, fully portable.
Enterprise-Grade Coverage
From databases to internal APIs — comprehensive guides for production AI deployments.
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Getting Started
Foundations & first steps
Databases
PostgreSQL, MySQL, SQLite, MongoDB
APIs
REST, Search, Fetch endpoints
File Systems
Local & remote file access
Dev Tools
GitHub, Git, Docker, Puppeteer
Cloud Services
Google Drive, Cloudflare, Notion
Communication
Slack, messaging platforms
AI Frameworks
Memory, knowledge graphs
Featured Protocols
Start with the essentials
How to Use Stripe's Machine Payments Protocol (MPP) as an MCP Client
Learn how to configure your AI agent as an MCP client that can automatically pay per tool usage using Stripe's Machine Payments Protocol — enabling access to premium, monetized MCP servers.
How to Accept Stripe's Machine Payments Protocol (MPP) in Your MCP Server
Monetize your MCP server by accepting per-tool-call payments using Stripe's Machine Payments Protocol. This guide covers pricing schemas, payment verification, and webhook handling for MPP-enabled MCP servers.
What Is the Model Context Protocol (MCP)? A Complete Introduction
Learn the fundamentals of MCP — what it is, why it matters, and how it enables AI agents to connect with external tools and data sources through a standardized protocol.
How to Set Up Your First MCP Server in 5 Minutes
A quick-start guide to installing and configuring your very first MCP server with Claude Desktop. Get up and running in minutes.
How to Connect PostgreSQL to AI Agents Using MCP
Step-by-step guide to setting up the PostgreSQL MCP server. Give your AI agent read-only access to query your PostgreSQL databases.
How to Use the SQLite MCP Server for Local Database Analysis
Learn how to connect SQLite databases to your AI agent for local data analysis, querying, and schema exploration using the MCP protocol.