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Agent Skills Guide

claude-api

published 2026/03/13

Build with Claude Messages API using structured outputs (v0.69.0+, Nov 2025) for guaranteed JSON schema validation. Covers prompt caching (90% savings), streaming SSE, tool use, model deprecations (3.5/3.7 retired Oct 2025). Use when: building chatbots/agents with validated JSON responses, or troubleshooting rate_limit_error, structured output validation, prompt caching not activating, streaming SSE parsing.

📦 Install Skill

Command line install

Install directly with the `skills` CLI.

npx skills add ovachiever/droid-tings/skills/claude-api

Local download

Download only this skill directory.

Download claude-api only
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