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---
id: agent
title: "Agent"
type: concept
tags: [AI, autonomous, tool-use]
sources:
- "[[LLM Terms Framework]]"
last_updated: 2025-12-20
---
## Definition
Agent智能体是LLM+MCP的组合LLM负责给出步骤MCP负责实际执行。
## How It Works
1. LLM理解用户意图
2. LLM规划执行步骤
3. MCP调用外部工具执行
4. 结果反馈给LLM
5. LLM继续下一步或返回结果
## Key Capabilities
- 自主决策
- 工具调用
- 任务分解
- 迭代优化
## vs Vanilla LLM
| 维度 | Vanilla LLM | Agent |
|------|-------------|-------|
| 能力 | 仅生成文本 | 执行实际操作 |
| 工具调用 | 无 | 有 |
| 自主性 | 低 | 高 |
| 幻觉风险 | 高 | 低(可验证) |
## Connections
- [[Agent]] ← combines ← [[LLM]] + [[MCP]]
- [[Agent]] ← extends ← [[LLM]]
- [[Agent]] ← uses ← [[工具调用]]