Interoperability between MCP and alternative tool invocation standards
Determine how to ensure interoperability between the Model Context Protocol and other tool invocation ecosystems such as OpenAI function calling and Microsoft plugins, including the design of converters or unified schemas that enable consistent governance and policy application across platforms.
References
Ensuring MCP can work alongside or integrate with such alternatives is an open question.
— Systematization of Knowledge: Security and Safety in the Model Context Protocol Ecosystem
(2512.08290 - Gaire et al., 9 Dec 2025) in Section 7.2 Standardization and Interoperability Challenges