Verified65% confidenceFactExact time
In an MCP Server, a Tool is the smallest capability unit exposed for upper-level Agent invocation, and the tutorial uses a decorator approach for tool declaration
3
Sources
65%
Confidence
Long-term
Relevance
10/5/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedIn MCP, Tools are invoked at the model's discretion, Prompts are triggered by the user, and Resources are controlled by the application.80% similarUnverifiedThe tool has a built-in function for pinning MCP tool definitions, and issues a warning when a connected MCP server subsequently modifies its tool definitions.80% similarVerifiedMCP tools are essentially arbitrary code execution, indirect prompt injection is a real-world threat, and attack vectors can be hidden in resource content rather than in direct user input.78% similarVerifiedMCP Server 可以暴露工具（Tools）、资源（Resources）和提示词模板（Prompts）三类能力76% similar
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