Claude API Skill
by Anthropic
Auto-detects your language and guides you to the right Anthropic SDK patterns. Eight languages, no hallucinated APIs.
Skills
Claude API Skill
Added 1 June 2026
Overview
The Claude API skill is a reference tool for building with the Anthropic API. It detects your project language from file extensions and config, then provides accurate SDK examples for Python, TypeScript, Java, Go, Ruby, C#, PHP, and cURL. Covers prompt caching, tool use, streaming, batch processing, file uploads, structured outputs, and extended thinking. Prevents the common mistake of mixing OpenAI SDK imports into an Anthropic project.
Best for
Best for
Developers integrating the Anthropic API for the first time or migrating between model versions
Use cases
- Get accurate SDK examples for your language without trawling the docs
- Migrate code from older Claude model versions with the skill handling API surface changes
- Set up a Managed Agent workflow with guided onboarding via the built-in subcommand
- Validate that function names and API calls match the official SDK for your language
Notes
Why it matters
The Anthropic API has eight supported language SDKs and multiple feature surfaces. Most developers reach for docs or ChatGPT to figure out the right pattern for their language. This skill keeps that lookup inside the agent session and validates the output against the real SDK.
How teams use it in production
Drop the skill into a new project session before writing the first API call. It reads your file extensions, picks the right SDK, and produces working boilerplate. Especially useful on migrations when Anthropic retires a model version and API surface names change.
What to watch
The pattern of a vendor shipping a skill that teaches the agent how to use the vendor’s own API is worth watching broadly. Done well, it eliminates a whole class of hallucinated method names and wrong SDK versions.
Pros
- Auto-detects language, no configuration required
- Prevents mixed SDK imports, a common first-integration mistake
- Covers 8 languages with validated, working examples
- Built-in subcommand for Managed Agent onboarding
Cons
- Only useful for Anthropic API work, not multi-provider SDK patterns
- Must be kept current as Anthropic releases new SDK versions
- Extended thinking examples only work on Opus-class models
Pairs with
Other entries in the index that connect to this one. Click through to see the chain.