claude-api

Integrate Claude API with JSON schema validation, streaming SSE, prompt caching, and tool calls.

961|99|Updated Oct 20, 2025
One-click install
npx skills add https://github.com/jezweb/claude-skills --skill claude-api
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: claude-api
Source: https://github.com/jezweb/claude-skills/tree/main/skills/claude-api
Command: npx skills add https://github.com/jezweb/claude-skills --skill claude-api

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @anthropic-ai/sdk, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill eliminates the frustration of Claude API integration by providing production-ready templates, preventing common errors, and delivering massive cost savings through prompt caching.

Core Features & Use Cases

  • Structured Outputs: Guaranteed JSON schema validation for data extraction and tool use.
  • Prompt Caching: Achieve 90% cost savings by caching frequently used context.
  • Use Case: Imagine you're building a customer support chatbot. Use this Skill to implement streaming responses, handle rate limits automatically, and use tools with validated inputs.
  • Error Prevention: Stop 12 common API errors before they happen, including streaming failures, caching issues, and tool schema errors.

Quick Start

Use the claude-api skill to create a streaming chat endpoint for your Next.js application using the template in templates/nextjs-api-route.ts.

Frequently Asked Questions about claude-api

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I integrate Claude API with guaranteed JSON schema validation?

Claude API integration with JSON schema validation ensures structured outputs for data extraction and tool use. This Skill provides production-ready templates that enforce strict schema conformance, preventing validation failures and ensuring reliable downstream processing of API responses.

Can I use Claude API streaming with Next.js and Node.js?

Yes, Claude API supports streaming SSE across Next.js and Node.js environments. This Skill includes framework-specific templates for both platforms, handling streaming response formatting, connection management, and error recovery automatically.

How does prompt caching reduce Claude API costs?

Prompt caching stores frequently reused context on Anthropic's servers, reducing token costs by up to 90% on subsequent requests. This Skill automates cache-control semantics on content blocks, eliminating manual cache management and maximizing savings without code complexity.

What common Claude API errors does this prevent?

This Skill prevents 12 common integration errors including streaming failures, caching misconfigurations, tool schema mismatches, and rate-limit handling mistakes. Error prevention patterns are embedded in templates and reference implementations across all supported frameworks.

Does Claude API tool use work with Cloudflare Workers?

Yes, Claude API tool invocation workflows function on Cloudflare Workers alongside Next.js and Node.js. This Skill provides templates validating tool schemas and handling tool responses across all three environments with consistent error handling.

Can I use Claude API for image understanding in chatbots?

Claude API supports image understanding in multi-modal chatbot implementations. This Skill integrates image input handling with streaming responses and tool calls, enabling production chatbots that process both text and visual content end-to-end.