
/plugin marketplace add anthropics/skills▶️ Usage summary
- Install:
/plugin marketplace add anthropics/skills - Fast Mode (Quick Reference):
client.beta.messages.create( - Task Budgets (Quick Reference):
with client.beta.messages.stream(
claude-api — A reference for the Claude API / Anthropic SDK — model IDs, pricing, parameters, streaming, tool use, MCP, agents, caching, token counting, model migration. Use it when building LLM apps with Claude.
What is claude-api?
claude-api is a skill (a capability for AI agents such as Claude, Codex and Cursor) on GitHub (anthropics/skills). A reference for the Claude API / Anthropic SDK — model IDs, pricing, parameters, streaming, tool use, MCP, agents, caching, token counting, model migration. Use it when building LLM apps with Claude.
How to install claude-api
See the ⚡ Quick install section at the top of the page — it has a ready-to-copy command taken from the author’s README, plus where to run it. For the full instructions, see the README at the end of the page.
Frequently asked questions about claude-api
Is claude-api free?
Yes. claude-api is an open-source project on GitHub, so you can download and use it for free.
Is claude-api hard to install?
No. You only need to run one command above.
Download & source code
The source code, README and latest updates of claude-api are at github.com/anthropics/skills/skills/claude-api. The star count and update date on this page sync automatically from GitHub.
📖 Full guide
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