gemini-sdk-expert

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🤖 Skill: gemini-sdk-expert (v1.3.0)

🤖 Skill: gemini-sdk-expert (v1.3.0)

Executive Summary

执行摘要

gemini-sdk-expert
is a high-tier skill focused on mastering the Google Gemini ecosystem. In 2026, building with AI isn't just about prompts; it's about Structural Integrity, Context Optimization, and Multimodal Orchestration. This skill provides the blueprint for building ultra-reliable, cost-effective, and powerful AI applications using the latest
@google/genai
standards.

gemini-sdk-expert
是一项专注于精通Google Gemini生态系统的高阶技能。在2026年,基于AI进行开发不再只是编写提示词,更关乎结构完整性上下文优化多模态编排。本技能提供了使用最新
@google/genai
标准构建超可靠、高性价比且功能强大的AI应用的蓝图。

📋 Table of Contents

📋 目录

🚀 Core Capabilities

🚀 核心能力

  • Strict Structured Output: Leveraging
    responseSchema
    for 100% reliable JSON generation.
  • Agentic Function Calling: enabling models to interact with private APIs and tools.
  • Long-Form Context Management: Using Context Caching for massive datasets (2M+ tokens).
  • Native Multimodal Reasoning: Processing video, audio, and documents as first-class inputs.
  • Latency Optimization: Strategic model selection (Flash vs. Pro) and streaming responses.

  • 严格结构化输出:利用
    responseSchema
    实现100%可靠的JSON生成。
  • 智能体函数调用:让模型能够与私有API和工具交互。
  • 长文本上下文管理:使用上下文缓存处理超大规模数据集(200万+tokens)。
  • 原生多模态推理:将视频、音频和文档作为一等输入进行处理。
  • 延迟优化:策略性选择模型(Flash vs. Pro)并支持流式响应。

🚫 The "Do Not" List (Anti-Patterns)

🚫 “切勿”清单(反模式)

Anti-PatternWhy it fails in 2026Modern Alternative
Regex ParsingFragile and prone to hallucination.Use
responseSchema
(Controlled Output).
Old SDK (
@google/generative-ai
)
Outdated, lacks 2026 features.Use
@google/genai
exclusively.
Uncached Large ContextsExtremely expensive and slow.Use Context Caching for repetitive queries.
Hardcoded API KeysSecurity risk.Use Secure Environment Variables and
GOOGLE_GENAI_API_VERSION
.
Single-Model BiasPro is overkill for simple extraction.Use Gemini 3 Flash for speed/cost tasks.

反模式2026年失效原因现代替代方案
正则表达式解析脆弱且易出现幻觉。使用**
responseSchema
**(受控输出)。
旧版SDK(
@google/generative-ai
已过时,缺少2026年新增功能。仅使用**
@google/genai
**。
未缓存的大上下文成本极高且速度缓慢。对重复查询使用上下文缓存
硬编码API密钥存在安全风险。使用安全环境变量和**
GOOGLE_GENAI_API_VERSION
**。
单一模型偏见对于简单提取任务,Pro模型性能过剩。针对速度/成本敏感任务使用Gemini 3 Flash

⚡ Quick Start: JSON Enforcement

⚡ 快速入门:JSON强制输出

The #1 rule in 2026: Structure at the Source.
typescript
import { GoogleGenerativeAI, Type } from "@google/genai";

// Optional: Set API Version via env
// process.env.GOOGLE_GENAI_API_VERSION = "v1beta1";

const schema = {
  type: Type.OBJECT,
  properties: {
    status: { type: Type.STRING, enum: ["COMPLETE", "PENDING", "ERROR"] },
    summary: { type: Type.STRING },
    priority: { type: Type.NUMBER }
  },
  required: ["status", "summary"]
};

// Always set MIME type to application/json
const result = await model.generateContent({
  contents: [{ role: 'user', parts: [{ text: "Evaluate task X..." }] }],
  generationConfig: {
    responseMimeType: "application/json",
    responseSchema: schema
  }
});

2026年的首要规则:从源头定义结构
typescript
import { GoogleGenerativeAI, Type } from "@google/genai";

// 可选:通过环境变量设置API版本
// process.env.GOOGLE_GENAI_API_VERSION = "v1beta1";

const schema = {
  type: Type.OBJECT,
  properties: {
    status: { type: Type.STRING, enum: ["COMPLETE", "PENDING", "ERROR"] },
    summary: { type: Type.STRING },
    priority: { type: Type.NUMBER }
  },
  required: ["status", "summary"]
};

// 始终将MIME类型设置为application/json
const result = await model.generateContent({
  contents: [{ role: 'user', parts: [{ text: "评估任务X..." }] }],
  generationConfig: {
    responseMimeType: "application/json",
    responseSchema: schema
  }
});

🛠 Standard Production Patterns

🛠 标准生产模式

Pattern A: The Data Extractor (Flash)

模式A:数据提取器(Flash版)

Best for processing thousands of documents quickly and cheaply.
  • Model:
    gemini-3-flash
  • Config: High
    topP
    , low
    temperature
    for deterministic extraction.
最适合快速且低成本地处理数千份文档。
  • 模型
    gemini-3-flash
  • 配置:高
    topP
    、低
    temperature
    以实现确定性提取。

Pattern B: The Complex Reasoner (Pro)

模式B:复杂推理器(Pro版)

Best for architectural decisions, coding assistance, and deep media analysis.
  • Model:
    gemini-3-pro
  • Config: Enable Strict Mode in schemas for 100% adherence.

最适合架构决策、编码辅助和深度媒体分析。
  • 模型
    gemini-3-pro
  • 配置:在Schema中启用严格模式以确保100%合规。

🧩 Advanced Agentic Patterns

🧩 高级智能体模式

Parallel Function Calling

并行函数调用

Reduce round-trips by allowing the model to call multiple tools at once. See References: Function Calling for implementation.
允许模型同时调用多个工具,减少往返次数。 实现细节请参见参考:函数调用

Semantic Caching

语义缓存

Store and retrieve embeddings of common queries to bypass the LLM for identical requests.

存储并检索常见查询的嵌入向量,对相同请求直接绕过LLM。

💾 Context Caching Strategy

💾 上下文缓存策略

In 2026, we don't re-upload. We cache.
  • Warm-up Phase: Initial context upload.
  • Persistence Phase: Referencing the cache via
    cachedContent
    .
  • Cleanup Phase: Managing TTLs to optimize storage costs.
See References: Context Caching for more.

2026年,我们不再重复上传,而是采用缓存。
  • 预热阶段:初始上下文上传。
  • 持久化阶段:通过
    cachedContent
    引用缓存。
  • 清理阶段:管理TTL以优化存储成本。
更多内容请参见参考:上下文缓存

📸 Multimodal Integration

📸 多模态集成

Gemini 3 understands the world visually and audibly.
  • Video: Scene detection and temporal reasoning.
  • Audio: Sentiment, tone, and environment detection.
  • Document: Visual layout and OCR.
See References: Multimodal Mastery for details.

Gemini 3能够以视觉和听觉方式理解世界。
  • 视频:场景检测与时间推理。
  • 音频:情感、语气与环境检测。
  • 文档:视觉布局与OCR识别。
详情请参见参考:多模态精通

📖 Reference Library

📖 参考库

Detailed deep-dives into Gemini SDK excellence:
  • Structured Output: Nested schemas and validation.
  • Function Calling: Tools, execution loops, and security.
  • Context Caching: Reducing cost and latency.
  • Multimodal 2026: Video, audio, and PDF mastery.

Updated: January 31, 2026 - 10:45
关于Gemini SDK卓越实践的深度解析:
  • 结构化输出:嵌套Schema与验证。
  • 函数调用:工具、执行循环与安全。
  • 上下文缓存:降低成本与延迟。
  • 2026多模态:视频、音频与PDF精通。

更新时间:2026年1月31日 10:45