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claude-api

Build and optimize Claude API applications with Anthropic SDK defaults.

1|Updated Mar 21, 2026
Search Tags:#streaming#tool use#anthropic#claude api#prompt caching#model migration#managed agents
One-click install
npx skills add https://github.com/dashkan/pivox --skill claude-api-dashkan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: claude-api
Source: https://github.com/dashkan/pivox/tree/main/.agents/skills/claude-api
Command: npx skills add https://github.com/dashkan/pivox --skill claude-api-dashkan

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you build reliable Claude (Anthropic) API applications and agents faster by providing the correct integration patterns, model-parameter defaults, and optimization guidance.

Core Features & Use Cases

  • Build Claude API calls with the right defaults: choose a surface (single call, tool use workflow, or Managed Agents) and generate code that targets the supported Messages API patterns.
  • Use prompt caching effectively: design stable prompt prefixes, configure cache_control breakpoints, and debug low cache hit rates.
  • Add tool use and agents safely: implement function calling/tool loops and support Managed Agents event-driven flows with correct streaming, gating, and tool-result round trips.
  • Migrate across Claude model versions: update code from older model IDs to the current set and handle breaking changes like extended thinking, prefill replacements, and model-specific parameter differences.

Quick Start

Ask it to “help me implement prompt caching and tool use for my TypeScript Claude Messages app, using Claude Opus 4.7 and fixing my low cache hit rate.”

Frequently Asked Questions about claude-api

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

FAQPage Schema
How do I implement prompt caching with the Claude API to fix a low cache hit rate?▼

To implement Claude API prompt caching, design stable prompt prefixes and configure cache_control breakpoints correctly. This Skill generates code targeting supported Messages API patterns and debugs low cache hit rates by structuring cacheable content blocks to avoid dynamic prefix mutations.

What's the best way to migrate Claude API code across model versions like Opus 4.7?▼

Migrating Claude API code across model versions requires updating older model IDs to current sets and handling breaking changes like extended thinking, prefill replacements, and parameter differences. This Skill enforces correct model and parameter defaults to prevent silent failures and API errors during migration.

How do I build tool use and agentic loops with the Anthropic SDK?▼

Building tool use and agentic loops with the Anthropic SDK involves implementing function calling workflows with correct tool-result round trips and gating. This Skill generates code for single-call generation, streaming UIs, and agentic tool loops safely across supported languages.

Does the Claude API support Managed Agents with event-driven streaming workflows?▼

The Claude API supports Managed Agents with event-driven flows for server-managed stateful sessions. This Skill implements correct streaming, gating, and event handling for these workflows, ensuring proper tool-result round trips within the Anthropic SDK.

Why does my Claude API integration return silent failures after a model update?▼

Claude API integrations return silent failures after model updates when code uses outdated model IDs or deprecated parameters like prefill replacements. This Skill enforces correct model-specific parameter defaults and migration rules to avoid these errors when updating to versions like Opus 4.7.

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