Model-Context Protocol (MCP) is a standardized layer that allows an LLM to communicate with various software tools without needing custom integrations for each. It acts like a universal translator, enabling the LLM to 'speak English' while the MCP handles communication with each tool's unique API.

Agent Skills and the Model Context Protocol (MCP) are complementary, not redundant. Skills package internal, repeatable workflows for 'doing the thing,' while MCP provides the open standard for connecting to external systems like databases and APIs for 'reaching the thing.'

MCP formalizes the interaction between LLMs and enterprise data in simple natural language terms. This creates a controlled boundary, allowing value to flow in both directions while enabling essential security guardrails and controls.

Many companies initially build their own AI gateway, viewing it as a simple, thin proxy layer. However, upon moving agents to production, they quickly discover that real-world complexity around governance, observability, and security requires a far more robust, specialized control plane platform.

Instead of interacting with a single LLM, users will increasingly call an API that represents a "system as a model." Behind the scenes, this triggers a complex orchestration of multiple specialized models, sub-agents, and tools to complete a task, while maintaining a simple user experience.

An autonomous agent is a complete software system, not merely a feature of an LLM. Dell's CTO defines it by four key components: an LLM (for reasoning), a knowledge graph (for specialized memory), MCP (for tool use), and A2A protocols (for agent collaboration).

Samsara built a central endpoint that abstracts away complexities of using different LLMs like OpenAI or Gemini. This gateway handles cost, security, and compliance, allowing any product engineer to quickly build and deploy AI features without specialized expertise.

While starting with a vertically integrated system is fine, enterprises inevitably need two key components: an LLM Gateway to manage and route traffic to various models, and an MCP Gateway to securely connect those models to real-world systems.

Unlike model gateways managing simple API keys, tool (MCP) gateways handle greater complexity. They must interface with diverse authentication methods for different tools (e.g., Slack, Gmail) and manage granular read/write permissions to prevent autonomous agents from taking unintended actions with sensitive data.