Don't Use APIs Directly as MCP Servers
Published:Dec 25, 2025 13:44
•1 min read
•Zenn AI
Analysis
This article emphasizes the pitfalls of directly using APIs as MCP (presumably Model Control Plane) servers. The author argues that while theoretical explanations exist, the practical consequences are more important. The primary issues are increased AI costs and decreased response accuracy. The author suggests that if these problems are addressed, using APIs directly as MCP servers might be acceptable. The core message is a cautionary one, urging developers to consider the real-world impact on cost and performance before implementing such a design. The article highlights the importance of understanding the specific requirements and limitations of both APIs and MCP servers before integrating them directly.
Key Takeaways
- •Directly using APIs as MCP servers can increase AI costs.
- •It can also negatively impact the accuracy of AI responses.
- •Consider the practical implications before implementing such a design.
Reference
“I think it's been said many times, but I decided to write an article about it again because it's something I want to say over and over again. Please don't use APIs directly as MCP servers.”