--- title: "MCP (Model Context Protocol)" created: 2026-06-29 updated: 2026-06-29 type: concept tags: [mcp, protocol, agent, connector, infrastructure] sources: [[prompt-to-loop-engineering-2026]] confidence: high --- # MCP (Model Context Protocol) > Anthropic 提出的开放协议标准,为 LLM Agent 提供标准化的工具连接器(Connector)。在 [[harness-as-a-service|HaaS]] 底座中扮演 Plugins / Connectors 角色。 ## 在 Loop Engineering 中的定位 属于 [[loop-engineering|Loop Engineering]] "五件套" 中的 **Plugins / Connectors** 层: > Automations / Worktrees / Skills / **Connectors (MCP)** / Sub-agents / State ## 核心能力 - 标准化工具注册与发现 - 使循环具备开 PR、发 Slack、同步项目管理看板的真实动作 - 与渐进式披露配合(先暴露工具名称,按需加载详情) ## 相关概念 - [[loop-engineering|Loop Engineering]] - [[harness-as-a-service|HaaS]] - [[harness-engineering|Harness Engineering]]