Development · Source review 2026-11-03

Anthropic Claude API Skill

A source-linked developer guide for choosing Claude API surfaces and implementing model calls, streaming, tool use and managed agent workflows in supported languages.

Publisher: Anthropic · Editorial profile by AI Tools Ratings · Review method

What task is this skill designed for?

Build or review a small Claude-backed feature and choose the simplest API workflow that fits its state, tool and deployment requirements.

What input and output should you expect?

Input: A task description, the target project language and existing provider constraints, plus a synthetic or redacted example request.

Output: Expected deliverable: a provider-specific implementation outline or code change, selected SDK/API surface, cost assumptions and a verification checklist tied to current documentation.

What does it need to run?

Claude Code or another supported agent that can load repository skills; network access to current Anthropic documentation is recommended. Generated application code needs the appropriate official SDK and an Anthropic API account/key. SDK and runtime requirements vary by language and feature.

Anthropic’s pinned repository documents Claude Code plugin installation, Claude.ai availability for paid plans and API use. Those are publisher-stated compatibility routes; this profile does not independently validate runtime behavior on each surface.

How should you approach installation?

  1. Pin and inspect the source version and the language-specific README for the feature you need.
  2. Try a short, non-sensitive request in a small isolated example; compare its API surface and expected cost with the current official pricing page.
  3. Review generated code, credential handling, tool permissions, error paths and outputs before running it on real data.

Installation guide: discovery, dependencies and runtime checks

What files, accounts or data can it access?

The agent may read the selected project files and write code. Running the generated application sends request content to Anthropic and may call tools or managed services; keep API credentials outside source files and use synthetic inputs first. Optional helper scripts in the broader skill folder were not executed.

What does the skill cost?

The Skill has no separate purchase listed. Claude API, managed-agent features, hosting, SDK dependencies and any tool calls have separate usage or infrastructure costs; check current Anthropic pricing for the chosen model and feature.

What are its limits and alternatives?

Anthropic-specific guidance; it should not silently replace another provider or a provider-neutral requirement. Its model section is marked as cached October 6, 2026, so verify model IDs, feature availability and pricing against current official docs before implementation. Source guidance does not prove generated code is correct or secure.

Use the official Anthropic API docs directly for a narrow endpoint question, or a provider-neutral integration guide when the implementation must support multiple vendors.

What could you ask in a small trial?

Try this with a small sample:

Using synthetic input only, outline a minimal Claude API feature in this project’s language. State which official SDK and API surface you selected, what data would leave this application, how API cost is incurred, and three checks I should perform before running it. Do not change files until I approve the plan.

How would you verify the result?

  1. Confirm the chosen SDK and API fields against the matching current official language documentation.
  2. Check that API keys are loaded from a protected environment and are not printed or committed.
  3. Run an authorized synthetic request and compare response structure, errors and token usage with the expected result.

Use a baseline and record acceptance evidence before treating a successful task as a reliable workflow.

Which source and license were checked?

Read the reviewed SKILL.md at its pinned commit · Complete reviewed folder

Repository and current publisher guidance

Checked:

Apache-2.0 — identified in skills/claude-api/LICENSE.txt at the reviewed commit; check any third-party SDK and dependency terms separately. License evidence

Version details and review scope

Source: anthropics/skills/skills/claude-api
Reviewed commit: ca45fc496a3436251f191354091d557da31c15b5

SKILL.md SHA-256: 40537cca17c4aa86e4ce83ced39efcbfb1204905e3cf4c4ff98f2eab011e4b7f

Source-document review. This profile covers the source workflow, stated dependencies and license evidence. See our editorial methodology for how we distinguish source reviews and hands-on evaluations.

Report an error, license concern or request a new review.

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