Before MCP, connecting an AI agent to your business tools meant writing custom code for every combination: Claude-to-Salesforce, ChatGPT-to-your-database, Gemini-to-your-ERP. Each connection was bespoke, fragile, and needed to be rebuilt when models changed. The AI layer and the tool layer were tightly coupled in a way that made both harder to maintain.
MCP separates them. You build an MCP server once—exposing your CRM, database, email, and other tools as typed, callable actions. Any compatible AI agent can then discover and call those tools using the same protocol, regardless of which model it runs on. Update the tool, update the description, change models—none of these require changes to the others.
The practical result: your tools become reusable across every AI agent you deploy now or in the future. The integration cost is front-loaded, not recurring.