Unverified50% confidenceFactExact time
Before MCP appeared, if developers wanted models such as Claude and ChatGPT to call third-party services, they usually needed to write plugin or function-calling logic separately for each model platform.
1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedDifferent large models (DeepSeek, Claude, ChatGPT) have different tool-calling interface specifications, and MCP emerged to unify these specifications.75% similarVerifiedBefore MCP emerged, major model vendors each implemented tool calling in their own way, forcing developers to rewrite all tool-calling code whenever the underlying model was changed.74% similarVerifiedThe same MCP Server can be accessed by clients of different models such as Claude, GPT, and Gemini, enabling cross-model and cross-platform interoperability73% similarUnverifiedBefore MCP appeared, developers connecting an Agent to a calendar service or database typically had to write a dedicated plugin or API wrapper for each model platform, and the integration logic was highly coupled and hard to reuse.72% similarUnverifiedZapDigits 选择基于 MCP 构建而非封闭API，使其可无缝嵌入 Claude Desktop、ChatGPT 等主流工具的工作流71% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1017994API
curl https://kongchang.com/api/v1/knowledge/claims/1017994MCP
get_claim(id=1017994)